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Internal Medicine - Hematology & Oncology Specialists in Orange, CA

Browse 68 verified Internal Medicine - Hematology & Oncology providers practicing in Orange, California.

68 Healthcare Providers
Showing 1–20 of 68 providers
Sorted by Name (A-Z)

Dr. Jeffrey Ahn , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683298
Phone: 7144568100
NPI Identifier 1902331630
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Dr. Steven A Armentrout , MD

Internal Medicine - Hematology & Oncology

Notice of NPI Deactivation & Inactive Practice Status

⚠️ Deactivated NPI: December 08, 2017
1010 W La Veta Ave Ste 200, Orange, CA 928684301
Phone: 7148351800
NPI Identifier 1194777342
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Dr. Zhaohui Liao Arter , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7144565670
NPI Identifier 1184116451
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Dr. Shirin Attarian , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683298
Phone: 7144568000
NPI Identifier 1427310713
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Dr. Polina Bellman , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7144565153
NPI Identifier 1306349196
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Dr. Rainer Brachmann , MD

Internal Medicine - Hematology & Oncology

Notice of NPI Deactivation & Inactive Practice Status

⚠️ Deactivated NPI: July 03, 2025
Uci Medical Center, 101 The City Drive South, Orange, CA 92868
Phone: 7144568978
NPI Identifier 1811077993
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Dr. Elizabeth Brem , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S Bldg 23, Orange, CA 928683201
Phone: 7144568000
NPI Identifier 1578883781
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Dr. Timothy Euiwon Byun , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
805 W La Veta Ave Ste 101, Orange, CA 928683928
Phone: 7148351800
NPI Identifier 1871545012
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Dr. Jae C Chang , MD

Internal Medicine - Hematology & Oncology

Active NPI Status
Uci Medical Center, 101 The City Drive South, Orange, CA 92868
Phone: 7144568978
NPI Identifier 1982784070
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Dr. May Cho , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7148807812
NPI Identifier 1619263514
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Dr. April Choi , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7144565153
NPI Identifier 1154825800
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Dr. Warren Chow , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7144565153
NPI Identifier 1093822017
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Dr. Stefan Octavian Ciurea , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7148807812
NPI Identifier 1710149752
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Dr. Paul Herman Coluzzi , MD

Internal Medicine - Hematology & Oncology

Active NPI Status
101 The City Dr S, Orange, CA 928683201
Phone: 7144562986
NPI Identifier 1972563906
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Dr. Catherine C Coombs , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7144568100
NPI Identifier 1417273517
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Dr. Mihaela Cristea , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment
101 The City Dr S, Orange, CA 928683201
Phone: 7144568888
NPI Identifier 1417050998
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Dr. Erin Dean , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment
101 The City Dr S, Orange, CA 928683201
Phone: 7144568888
NPI Identifier 1376962449
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Sami Dwabe

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7144568000
NPI Identifier 1891254025
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Dr. Emad Elquza , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7144568000
NPI Identifier 1437355534
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Dr. Angela Goffredo Fleischman , MD

Internal Medicine - Hematology & Oncology

Active NPI Status ✓ Accepts Medicare Assignment Telehealth Services Available
101 The City Dr S, Orange, CA 928683201
Phone: 7144568000
NPI Identifier 1922216175
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