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Informational purposes only — not medical advice. Always consult a professional. Data updated weekly.

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Best Internal Doctors in Orange, CA | NPI Telehealth
Home/California/Orange/Internal Doctors
LOCAL SPECIALTY PROTOCOL 2026

Internal Doctors
IN Orange.

Find and book top-rated Internal Medicine specialists in Orange, CA. Access NPI credentials sourced from federal records and virtual care availability.

SPECIALISTS

Active internal doctors in Orange jurisdiction.

50 ENTRIES FOUND
NPI: 1992885149
VIRTUAL ACTIVE

SONIA R SEHGAL, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1992885131
VIRTUAL ACTIVE

MADELEINE PAHL, MD

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (1978)
20+ Years Exp.
ACCESS PROFILE
NPI: 1992807341
VIRTUAL ACTIVE

THOMAS HRYNIEWICKI, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (1987)
20+ Years Exp.
ACCESS PROFILE
NPI: 1992264840
VIRTUAL ACTIVE

ROBERT PEDICINI, MD

Internal Medicine

NPI DATA 2026
Orange, CA
TUFTS UNIVERSITY SCHOOL OF MEDICINE (2019)
7+ Years Exp.
ACCESS PROFILE
NPI: 1982784047
VIRTUAL ACTIVE

C GREGORY ALBERS, MD

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE (1987)
20+ Years Exp.
ACCESS PROFILE
NPI: 1982783940
VIRTUAL ACTIVE

JAMES PEARLE, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
NEW YORK MEDICAL COLLEGE (1973)
20+ Years Exp.
ACCESS PROFILE
NPI: 1962858142
VIRTUAL ACTIVE

SHANE SHEAHAN

Internal Medicine

NPI DATA 2026
Orange, CA
TOLEDO MEDICAL COLLEGE (2016)
10+ Years Exp.
ACCESS PROFILE
NPI: 1962657023
VIRTUAL ACTIVE

SHRUTI ARIZA, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2005)
18+ Years Exp.
ACCESS PROFILE
NPI: 1962631101
VIRTUAL ACTIVE

AIDAN RANEY, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE (2006)
17+ Years Exp.
ACCESS PROFILE
NPI: 1962470161
VIRTUAL ACTIVE

ROBERT PARKE, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE (1973)
20+ Years Exp.
ACCESS PROFILE
NPI: 1952783862
VIRTUAL ACTIVE

K.A. MANISHA PERERA

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2010)
11+ Years Exp.
ACCESS PROFILE
NPI: 1952500696
VIRTUAL ACTIVE

MAHMOUD MOAMMAR, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2001)
19+ Years Exp.
ACCESS PROFILE
NPI: 1942463377
VIRTUAL ACTIVE

ZAHRA PAKBAZ, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (1999)
18+ Years Exp.
ACCESS PROFILE
NPI: 1932543998
VIRTUAL ACTIVE

ANDREW ROSS, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2013)
13+ Years Exp.
ACCESS PROFILE
NPI: 1932490034
VIRTUAL ACTIVE

YONGEN CHANG, MD, PHD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2001)
15+ Years Exp.
ACCESS PROFILE
NPI: 1912932740
VIRTUAL ACTIVE

DAVID PAN, M.D., FACC

Internal Medicine

NPI DATA 2026
Orange, CA
TUFTS UNIVERSITY SCHOOL OF MEDICINE (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1912010257
VIRTUAL ACTIVE

HAIG NAJARIAN, MD

Internal Medicine

NPI DATA 2026
Orange, CA
UN OF CALIFORNIA, IRVINE, COLLEGE OF MEDICINE (1992)
20+ Years Exp.
ACCESS PROFILE
NPI: 1902104839
VIRTUAL ACTIVE

AARON ROCKOFF, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2009)
15+ Years Exp.
ACCESS PROFILE
NPI: 1891878831
VIRTUAL ACTIVE

KRISTI LINDSEY, FNPC

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2000)
20+ Years Exp.
ACCESS PROFILE
NPI: 1891744470
VIRTUAL ACTIVE

THOMAS WADDINGTON, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE (2000)
20+ Years Exp.
ACCESS PROFILE
NPI: 1881920882
VIRTUAL ACTIVE

MICHAEL GIBSON, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY (2009)
17+ Years Exp.
ACCESS PROFILE
NPI: 1881652998
VIRTUAL ACTIVE

WILLIAM KARNES, MD

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF MINNESOTA MEDICAL SCHOOL (1982)
20+ Years Exp.
ACCESS PROFILE
NPI: 1871927962
VIRTUAL ACTIVE

SEOGEUN HONG

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2008)
13+ Years Exp.
ACCESS PROFILE
NPI: 1861912289
VIRTUAL ACTIVE

JITEN MEHTA, D0

Internal Medicine

NPI DATA 2026
Orange, CA
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED (2017)
9+ Years Exp.
ACCESS PROFILE
NPI: 1861855686
VIRTUAL ACTIVE

SHRAVANI REDDY, M.D

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2015)
10+ Years Exp.
ACCESS PROFILE
NPI: 1851735211
VIRTUAL ACTIVE

REBECCA AHDOOT, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (2013)
13+ Years Exp.
ACCESS PROFILE
NPI: 1821356254
VIRTUAL ACTIVE

MARK SALEM

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE (2012)
14+ Years Exp.
ACCESS PROFILE
NPI: 1821297797
VIRTUAL ACTIVE

JIN KIM, MD

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY (2000)
19+ Years Exp.
ACCESS PROFILE
NPI: 1821101163
VIRTUAL ACTIVE

DAVID STANTON, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
TUFTS UNIVERSITY SCHOOL OF MEDICINE (1981)
20+ Years Exp.
ACCESS PROFILE
NPI: 1790149136
VIRTUAL ACTIVE

CHRISTOPHER HWE, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
MEDICAL COLLEGE OF WISCONSIN (2016)
10+ Years Exp.
ACCESS PROFILE
NPI: 1760777320
VIRTUAL ACTIVE

PAVAN MANKAL, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2011)
15+ Years Exp.
ACCESS PROFILE
NPI: 1760536841
VIRTUAL ACTIVE

RICHARD VANETTEN, MD

Internal Medicine

NPI DATA 2026
Orange, CA
STANFORD UNIVERSITY SCHOOL OF MEDICINE (1984)
19+ Years Exp.
ACCESS PROFILE
NPI: 1760475701
VIRTUAL ACTIVE

AMER JABARA, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE (1989)
21+ Years Exp.
ACCESS PROFILE
NPI: 1750358735
VIRTUAL ACTIVE

JAMES LEE, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1740397421
VIRTUAL ACTIVE

NIMISHA PAREKH, MD

Internal Medicine

NPI DATA 2026
Orange, CA
TULANE UNIVERSITY SCHOOL OF MEDICINE (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1720519010
VIRTUAL ACTIVE

CHRISTOPHER PAIJI, MD

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (2017)
9+ Years Exp.
ACCESS PROFILE
NPI: 1720029135
VIRTUAL ACTIVE

MEHRNAZ HOJJATI, M. D.

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1700875911
VIRTUAL ACTIVE

KENNETH TRAM, MD

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE (1988)
21+ Years Exp.
ACCESS PROFILE
NPI: 1699966861
VIRTUAL ACTIVE

SHEETAL DESAI, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2001)
19+ Years Exp.
ACCESS PROFILE
NPI: 1699185611
VIRTUAL ACTIVE

UZMA AHMED, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2014)
12+ Years Exp.
ACCESS PROFILE
NPI: 1699139287
VIRTUAL ACTIVE

JOSEPH HSIAO, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2016)
10+ Years Exp.
ACCESS PROFILE
NPI: 1689161192
VIRTUAL ACTIVE

JAY THETFORD, MD

Internal Medicine

NPI DATA 2026
Orange, CA
UN OF CALIFORNIA, RIVERSIDE, SCHOOL OF MEDICINE (2018)
8+ Years Exp.
ACCESS PROFILE
NPI: 1679928881
VIRTUAL ACTIVE

DANIELLE WANG

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (2016)
10+ Years Exp.
ACCESS PROFILE
NPI: 1679063127
VIRTUAL ACTIVE

MICHAEL DEL JUNCO

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2012)
8+ Years Exp.
ACCESS PROFILE
NPI: 1669583530
VIRTUAL ACTIVE

ROBERT LEE, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
UNIVERSITY OF MICHIGAN MEDICAL SCHOOL (2000)
20+ Years Exp.
ACCESS PROFILE
NPI: 1669577276
VIRTUAL ACTIVE

SUSAN O'BRIEN, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (1980)
20+ Years Exp.
ACCESS PROFILE
NPI: 1659802536
VIRTUAL ACTIVE

JENNIFER XU, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2017)
9+ Years Exp.
ACCESS PROFILE
NPI: 1649681495
VIRTUAL ACTIVE

ANUM HAMIDUZZAMAN, M.D.

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (2014)
12+ Years Exp.
ACCESS PROFILE
NPI: 1649350786
VIRTUAL ACTIVE

CATHERINE DIAMOND, MD

Internal Medicine

NPI DATA 2026
Orange, CA
ALBANY MEDICAL COLLEGE OF UNION UNIVERSITY (1991)
20+ Years Exp.
ACCESS PROFILE
NPI: 1649350307
VIRTUAL ACTIVE

CHINH DUY LE, MD

Internal Medicine

NPI DATA 2026
Orange, CA
OTHER (1987)
20+ Years Exp.
ACCESS PROFILE

Local Discovery Protocol

Navigating healthcare in Orange, CA requires finding the right expert. A highly qualified internal medicine is crucial for proper diagnosis and long-term care management.

  • NPI Credentials: Active NPI status and valid CA state licensing sourced from federal records.
  • Virtual Options: Encrypted telehealth consultations available for remote triage.
All Providers in CaliforniaNationwide Internal Medicines