Estefania Abasolo Lopez, MD
Internal Medicine7 years in practice
Uva Community Health Medical Group Llc
10945 George Mason Cir, Suite 105, Manassas, VA 20110
(703) 361-5116Hospital affiliations
None listed with Medicare
NPI 1043899545
119 Medicare-enrolled internal medicine doctors practice in Manassas. The hospital they most often list is Prince William Hospital. Filter by Medicare acceptance, telehealth or hospital below.
Internal Medicine7 years in practice
Uva Community Health Medical Group Llc
10945 George Mason Cir, Suite 105, Manassas, VA 20110
(703) 361-5116Hospital affiliations
None listed with Medicare
NPI 1043899545
Internal Medicine10 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1639525678
Internal Medicine26 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1417952367
Internal Medicine35 years in practice
M Medical Group Inc
8575 Rixlew Ln, Manassas, VA 20109
(703) 257-9770Hospital affiliations
NPI 1386763373
Internal Medicine47 years in practice
Valley Health Clinic Inc
8609 Sudley Rd, Suite 105, Manassas, VA 20110
(703) 393-8883Hospital affiliations
None listed with Medicare
NPI 1770842908
Internal Medicine35 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1407909781
Internal Medicine19 years in practice
Inova Health Care Services
9304 Forest Point Cir, Manassas, VA 20110
(703) 396-8390Hospital affiliations
None listed with Medicare
NPI 1336496728
Internal Medicine16 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine33 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1740401710
Internal Medicine50 years in practice
Privia Medical Group, Llc
9001 Digges Rd, Suite 107 And 108, Manassas, VA 20110
(703) 330-1112Hospital affiliations
None listed with Medicare
NPI 1356310551
Internal Medicine29 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1376526947
Internal Medicine41 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1710999347
Internal Medicine10 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1508444985
Internal Medicine18 years in practice
8575 Rixlew Ln, Manassas, VA 20109
(434) 760-0404Internal Medicine41 years in practice
8420 Quarry Rd, Manassas, VA 20110
(703) 991-1768Hospital affiliations
None listed with Medicare
NPI 1467550236
Internal Medicine26 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1871782961
Internal Medicine38 years in practice
8694 Centreville Rd, Manassas, VA 20110
(703) 257-1996Hospital affiliations
None listed with Medicare
NPI 1396903282
Internal Medicine50 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine30 years in practice
7900 Sudley Rd, Suite 416, Manassas, VA 20109
(571) 308-9862Hospital affiliations
None listed with Medicare
NPI 1477870541
Internal Medicine29 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1912987728
Internal Medicine48 years in practice
Uva Community Health Medical Group Llc
8640 Sudley Rd, Suite 302, Manassas, VA 20110
(703) 369-5959Internal Medicine50 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1891778387
Internal Medicine42 years in practice
8569 Sudley Rd, Suite A, Manassas, VA 20110
(703) 501-1315Internal Medicine33 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1912970955
Internal Medicine28 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine13 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1114260312
Internal Medicine31 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1992702112
Internal Medicine30 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1639158066
Internal Medicine33 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1306892393
Internal Medicine
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1235768524
Internal Medicine8 years in practice
Inova Health Care Services
8140 Ashton Ave, Suite 125, Manassas, VA 20109
(703) 280-5858Hospital affiliations
NPI 1356848329
Internal Medicine6 years in practice
Comprehensive Sleep Care Center Inc
9420 Forestwood Ln, Suite 202, Manassas, VA 20110
(703) 729-3420Hospital affiliations
None listed with Medicare
NPI 1730716796
Internal Medicine33 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1508841032
Internal Medicine34 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1154493641
Internal Medicine31 years in practice
Uva Community Health Medical Group Llc
10945 George Mason Cir, Suite 105, Manassas, VA 20110
(703) 361-5116Internal Medicine37 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1205929114
Internal Medicine11 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1538556220
Internal Medicine37 years in practice
Valley Health Clinic Inc
8609 Sudley Rd, Suite 105, Manassas, VA 20110
(703) 393-8883Internal Medicine32 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine32 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1649250473
Internal Medicine22 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1619168937
Internal Medicine32 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1114965399
Internal Medicine28 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine4 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine33 years in practice
Dr Arun K Gupta Pc
9306 Forest Point Cir, Manassas, VA 20110
(703) 330-3322Hospital affiliations
NPI 1295756054
Internal Medicine20 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1689604100
Internal Medicine58 years in practice
7732 Donegan Dr, Manassas, VA 20109
(571) 459-2960Hospital affiliations
None listed with Medicare
NPI 1356496988
Internal Medicine31 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1003985615
Internal Medicine34 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1477532893
Internal Medicine23 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine31 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1700881109
Internal Medicine10 years in practice
Uva Community Health Medical Group Llc
8700 Sudley Rd, Manassas, VA 20110
(703) 396-5297Hospital affiliations
NPI 1346696721
Internal Medicine27 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1922091701
Internal Medicine33 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1851352025
Internal Medicine45 years in practice
Prince William County Community Services Board
7969 Ashton Ave, Manassas, VA 20109
(703) 792-7800Hospital affiliations
None listed with Medicare
NPI 1215904826
Internal Medicine31 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1134171218
Internal Medicine37 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1780757062
Internal Medicine25 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1306890538
Internal Medicine61 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
None listed with Medicare
NPI 1992834097
Internal Medicine14 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
None listed with Medicare
NPI 1811256381
Cardiac Electrophysiology10 years in practice
Medstar Heart Institute Llc
8640 Sudley Rd, Manassas, VA 20110
(703) 208-7257Hospital affiliations
NPI 1770947806
Internal Medicine16 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1356734917
Internal Medicine14 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1205342896
Internal Medicine9 years in practice
Uva Community Health Medical Group Llc
8640 Sudley Rd, Suite 203, Manassas, VA 20110
(703) 368-3161Internal Medicine31 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine34 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1417019472
Internal Medicine6 years in practice
Uva Community Health Medical Group Llc
8700 Sudley Rd, Manassas, VA 20110
(703) 396-5297Internal Medicine32 years in practice
8704 Rolling Rd, Manassas, VA 20110
Hospital affiliations
NPI 1932106911
Internal Medicine27 years in practice
Patient First Richmond Medical Group Pllc
9715 Liberia Ave, Manassas, VA 20110
(571) 229-1797Internal Medicine15 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1013201250
Internal Medicine31 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1538237938
Internal Medicine32 years in practice
Center For Vein Restoration Md Llc
8140 Ashton Ave, Suite 216, Manassas, VA 20109
(855) 830-8346Hospital affiliations
None listed with Medicare
NPI 1891759429
Internal Medicine19 years in practice
Patient First Richmond Medical Group Pllc
9715 Liberia Ave, Manassas, VA 20110
(571) 229-1797Hospital affiliations
None listed with Medicare
NPI 1023201977
Internal Medicine25 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1427048446
Internal Medicine16 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine23 years in practice
8428 Dorsey Cir, Suite 101, Manassas, VA 20110
(571) 379-8827Internal Medicine8 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1497250120
Internal Medicine13 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1508438540
Internal Medicine38 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1598760050
Internal Medicine20 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1225272529
Internal Medicine7 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1710504535
Internal Medicine31 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1427055649
Internal Medicine8 years in practice
Inova Health Care Services
8051 Sudley Rd, Manassas, VA 20109
(571) 598-3851Hospital affiliations
None listed with Medicare
NPI 1083111504
Internal Medicine32 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1194831065
Internal Medicine30 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1457400160
Internal Medicine23 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1972541548
Internal Medicine24 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine23 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1962703652
Internal Medicine38 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1568535888
Internal Medicine8 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
None listed with Medicare
NPI 1578232831
Internal Medicine29 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1841238045
Internal Medicine13 years in practice
Inova Health Care Services
8051 Sudley Rd, Manassas, VA 20109
(571) 598-3851Hospital affiliations
None listed with Medicare
NPI 1326484221
Internal Medicine41 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1013912583
Internal Medicine16 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1760709562
Internal Medicine12 years in practice
Inova Health Care Services
8051 Sudley Rd, Manassas, VA 20109
(571) 598-3851Hospital affiliations
None listed with Medicare
NPI 1215354360
Internal Medicine26 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1720272149
Internal Medicine34 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
None listed with Medicare
NPI 1710917869
Internal Medicine8 years in practice
Gastroenterology Associates Of Northern Virginia, Llc
8140 Ashton Ave, Suite 212, Manassas, VA 20109
(703) 365-9085Hospital affiliations
NPI 1891292785
Internal Medicine15 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1992146179
Internal Medicine22 years in practice
Pai Participant 1 Llc
8341 Barrett Dr, Manassas, VA 20109
(703) 392-0102Hospital affiliations
NPI 1588077697
Sleep Medicine17 years in practice
Comprehensive Sleep Care Center Inc
9420 Forestwood Ln, Suite 202, Manassas, VA 20110
(703) 729-3420Hospital affiliations
None listed with Medicare
NPI 1770717175
Sleep Medicine26 years in practice
Comprehensive Sleep Care Center Inc
9420 Forestwood Ln, Suite 202, Manassas, VA 20110
(703) 729-3420Hospital affiliations
None listed with Medicare
NPI 1952401036
Internal Medicine16 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Internal Medicine16 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Internal Medicine37 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1265457642
Internal Medicine28 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1790857688
Internal Medicine15 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1003194218
Internal Medicine18 years in practice
Inova Physician Partners Llc
7900 Sudley Rd, Suite 900, Manassas, VA 20109
(571) 472-8200Hospital affiliations
NPI 1740424274
Internal Medicine26 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Hospital affiliations
None listed with Medicare
NPI 1073615530
Internal Medicine15 years in practice
Uva Community Health Medical Group Llc
8700 Sudley Rd, Manassas, VA 20110
(703) 396-5292Hospital affiliations
NPI 1063707792
Internal Medicine34 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
None listed with Medicare
NPI 1477105203
Internal Medicine30 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1811005796
Internal Medicine33 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1578588976
Internal Medicine41 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
NPI 1588669980
Internal Medicine7 years in practice
Privia Medical Group, Llc
8644 Sudley Rd, Suite 220, Manassas, VA 20110
(571) 366-8845Hospital affiliations
None listed with Medicare
NPI 1740843036
Internal Medicine5 years in practice
Emergency Medicine Associates P.A., P.C.
8700 Sudley Rd, Manassas, VA 20110
(703) 369-8000Hospital affiliations
NPI 1275111957
Internal Medicine34 years in practice
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
10701 Rosemary Dr, Manassas, VA 20109
(703) 257-3000Internal Medicine13 years in practice
Uva Community Health Medical Group Llc
8640 Sudley Rd, Suite 302, Manassas, VA 20110
(703) 369-5959Hospital affiliations
NPI 1225475973
Internal Medicine11 years in practice
Inova Health Care Services
9304 Forest Point Cir, Manassas, VA 20110
(703) 396-8390No internal medicine doctor here matches those filters.
119 Medicare-enrolled internal medicine doctors practice in Manassas according to CMS. The largest groups are Privia Medical Group, Llc (55), Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (17), Emergency Medicine Associates P.A., P.C. (10).
The hospitals Manassas internal medicine doctors most often list as an affiliation are Prince William Hospital (17), University of Virginia Medical Center (14), UVA Health Haymarket Medical Center (13), Inova Fairfax Hospital (9). An affiliation usually means the doctor can treat or admit patients there.
All are enrolled in Medicare. 117 of 119 accept Medicare assignment, meaning they take the Medicare-approved amount as full payment for covered services, and 2 may accept it case by case. 63 offer telehealth visits. Confirm with the office before booking, especially if you have Medicare Advantage or private insurance.
Internists are primary care physicians for adults. They diagnose and manage a wide range of conditions, coordinate care with specialists and focus on prevention.
Listings come from the CMS Doctors and Clinicians national file: clinicians enrolled in Medicare whose primary specialty is internal medicine, at the practice addresses CMS lists in Manassas. Hospital affiliations are the hospitals each clinician reports to Medicare. Details change; confirm with the practice before you visit. About the data.