Jeffrey Y. Ahn, MD
Hematology/Oncology9 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-700267 Medicare-enrolled oncologists practice in Orange. The hospital they most often list is UCI Health-Orange. Filter by Medicare acceptance, telehealth or hospital below.
Hematology/Oncology9 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology16 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology17 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology13 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Surgical Oncology12 years in practice
Breastlink Medical Group Inc
230 S Main St, Suite B 100, Orange, CA 92868
(714) 571-5900Hematology/Oncology28 years in practice
Providence Medical Foundation
1010 W La Veta Ave, Suite 200, Orange, CA 92868
(714) 835-1800Medical Oncology15 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology8 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Medical Oncology40 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology30 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Gynecological Oncology12 years in practice
Regents Of The University Of California
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology34 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology12 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hospital affiliations
NPI 1376962449
Hematology/Oncology7 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology22 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Surgical Oncology16 years in practice
University Surgeons Of Orange A Medical Group
101 The City Dr S, Orange, CA 92868
(714) 634-5549Hematology/Oncology8 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology12 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
Hematology/Oncology12 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology34 years in practice
Memorialcare Medical Foundation
230 S Main St, Suite 100, Orange, CA 92868
(714) 541-0101Medical Oncology35 years in practice
Providence Medical Foundation
1010 W La Veta Ave, Suite 200, Orange, CA 92868
(714) 835-1800Hematology/Oncology21 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
Surgical Oncology21 years in practice
University Surgeons Of Orange A Medical Group
101 The City Dr S, Orange, CA 92868
(714) 634-5549Hematology/Oncology30 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hospital affiliations
NPI 1770583197
Hematology/Oncology9 years in practice
Po Box, Orange, CA 92863
Hospital affiliations
None listed with Medicare
NPI 1568995421
Hematology/Oncology12 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology14 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hospital affiliations
NPI 1710253638
Hematology/Oncology21 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Medical Oncology34 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology35 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology54 years in practice
Memorialcare Medical Foundation
230 S Main St, Suite 100, Orange, CA 92868
(714) 541-0101Hospital affiliations
NPI 1245281211
Hematology/Oncology15 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hospital affiliations
NPI 1174808224
Surgical Oncology12 years in practice
University Surgeons Of Orange A Medical Group
101 The City Dr S, Orange, CA 92868
(714) 634-5549Hospital affiliations
NPI 1477972040
Hematology/Oncology55 years in practice
Providence Medical Foundation
1010 W La Veta Ave, Suite 200, Orange, CA 92868
(714) 835-1800Hospital affiliations
NPI 1104874171
Surgical Oncology14 years in practice
University Surgeons Of Orange A Medical Group
101 The City Dr S, Orange, CA 92868
(714) 634-5549Hematology/Oncology17 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology28 years in practice
Providence Medical Foundation
1010 W La Veta Ave, Suite 200, Orange, CA 92868
(714) 835-1800Hematology/Oncology8 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology16 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology9 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology18 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology12 years in practice
Providence Medical Foundation
1010 W La Veta Ave, Suite 200, Orange, CA 92868
(714) 835-1800Hematology/Oncology25 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology46 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Surgical Oncology14 years in practice
University Surgeons Of Orange A Medical Group
101 The City Dr S, Orange, CA 92868
(714) 634-5549Hematology/Oncology27 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology41 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hospital affiliations
NPI 1578521266
Hematology/Oncology14 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology9 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology20 years in practice
Providence Medical Foundation
2501 E Chapman Ave, Orange, CA 92869
(714) 633-7175Hematology/Oncology46 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology18 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology37 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Surgical Oncology28 years in practice
University Surgeons Of Orange A Medical Group
101 The City Dr S, Orange, CA 92868
(714) 634-5549Hematology/Oncology8 years in practice
Center For Cancer And Blood Disorders
363 S Main St, Suite 485, Orange, CA 92868
(714) 835-4800Surgical Oncology15 years in practice
University Surgeons Of Orange A Medical Group
101 The City Dr S, Orange, CA 92868
(714) 634-5549Gynecological Oncology16 years in practice
Regents Of The University Of California
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hospital affiliations
NPI 1265759807
Surgical Oncology21 years in practice
Memorialcare Medical Foundation
230 S Main St, Suite 100, Orange, CA 92868
(714) 541-0101Hematology/Oncology9 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology17 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Medical Oncology41 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology7 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology16 years in practice
Cancer And Blood Specialty Clinic
1010 W La Veta Ave, Suite 670, Orange, CA 92868
(562) 725-4367Hospital affiliations
NPI 1336436500
Hematology/Oncology12 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hematology/Oncology25 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7004Hematology/Oncology6 years in practice
Po Box, Orange, CA 92863
Hospital affiliations
None listed with Medicare
NPI 1871120162
Hematology/Oncology31 years in practice
Uc Regents
101 The City Dr S, Orange, CA 92868
(714) 456-7002Hospital affiliations
NPI 1962601047
No oncologist here matches those filters.
67 Medicare-enrolled oncologists practice in Orange according to CMS. The largest groups are Uc Regents (44), University Surgeons Of Orange A Medical Group (7), Providence Medical Foundation (6).
The hospitals Orange oncologists most often list as an affiliation are UCI Health-Orange (54), Hoag Memorial Hospital Presbyterian (12), St Joseph Hospital (8), City of Hope Natl Medical Ctr (8). An affiliation usually means the doctor can treat or admit patients there.
All are enrolled in Medicare. 64 of 67 accept Medicare assignment, meaning they take the Medicare-approved amount as full payment for covered services, and 3 may accept it case by case. 61 offer telehealth visits. Confirm with the office before booking, especially if you have Medicare Advantage or private insurance.
Oncologists diagnose and treat cancer with chemotherapy, immunotherapy and targeted drugs, and surgical and gynecologic oncologists operate on cancers.
Listings come from the CMS Doctors and Clinicians national file: clinicians enrolled in Medicare whose primary specialty is oncology, at the practice addresses CMS lists in Orange. Hospital affiliations are the hospitals each clinician reports to Medicare. Details change; confirm with the practice before you visit. About the data.