Skip to main content
NPITelehealth
SpecialtiesLocationsJournalAbout
ProvidersRegistry Search
CMS Data Source
NPI Registry Data
Expert Editorial
NPITelehealth

Finding a doctor shouldn't be a guessing game. We connect patients with verified healthcare professionals using official federal data.

Explore

  • Search
  • Specialties
  • Locations
  • Guides

Resources

  • Methodology
  • Editorial
  • For Providers
  • Sitemap

Legal

  • About
  • Contact
  • Privacy
  • Terms

© 2026 NPI Telehealth

US Registry Operational
CMS Source

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

PrivacyTermsEditorialDisclaimer
Home/California/FOUNTAIN VALLEY/Internal Medicine Doctors
LOCAL SPECIALTY PROTOCOL 2026

Internal Medicine Doctors
IN FOUNTAIN VALLEY.

Find and book verified Internal Medicine specialists in FOUNTAIN VALLEY, CA. Access NPI credentials sourced from federal records and virtual care availability.

SPECIALISTS

Active internal medicine doctors in FOUNTAIN VALLEY jurisdiction.

50 ENTRIES FOUND
NPI: 1982801718
VIRTUAL ACTIVE

Sanjiv Manubhai Patel, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1942311832
VIRTUAL ACTIVE

Chris Tsimerekis, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
David Geffen School of Medicine at UCLA (1993)
20+ Years Exp.
ACCESS PROFILE
NPI: 1932466125
VIRTUAL ACTIVE

Jose Luis Aranez, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
14+ Years Exp.
ACCESS PROFILE
NPI: 1912956053
VIRTUAL ACTIVE

Gharoon Panahi, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1902040009
VIRTUAL ACTIVE

Afsaneh Haftbaradaran Mohammadi, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1831586387
VIRTUAL ACTIVE

Pete Pow-Anpongkul

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
Ohio State University College of Medicine (2015)
11+ Years Exp.
ACCESS PROFILE
NPI: 1821262072
VIRTUAL ACTIVE

Tae Yong Yang, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
David Geffen School of Medicine at UCLA (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1811384001
VIRTUAL ACTIVE

Kevin Do

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER (2015)
11+ Years Exp.
ACCESS PROFILE
NPI: 1811164528
VIRTUAL ACTIVE

Hoang Nguyen, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE (2006)
18+ Years Exp.
ACCESS PROFILE
NPI: 1801922521
VIRTUAL ACTIVE

Nicholas N Doan Van, MD, F.A.C.C. INC.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1801099593
VIRTUAL ACTIVE

Bao Thai Bui, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
Penn State College of Medicine (2007)
19+ Years Exp.
ACCESS PROFILE
NPI: 1780835801
VIRTUAL ACTIVE

Steven Le, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
David Geffen School of Medicine at UCLA (2006)
18+ Years Exp.
ACCESS PROFILE
NPI: 1770548596
VIRTUAL ACTIVE

Khai The Vu, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1740924059
VIRTUAL ACTIVE

Don Q Phung, DO

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
4+ Years Exp.
ACCESS PROFILE
NPI: 1730146937
VIRTUAL ACTIVE

Sandeep Singh Dang, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1720048291
VIRTUAL ACTIVE

John Weijune Wang, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
UT Health San Antonio Joe R. and Teresa Lozano Long School of Medicine (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1689935066
VIRTUAL ACTIVE

Sarah Z Hassan, M.D

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
MERCY COLLEGE (2015)
14+ Years Exp.
ACCESS PROFILE
NPI: 1689871154
VIRTUAL ACTIVE

Amol Rajeev Rao, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1689786139
VIRTUAL ACTIVE

Samarjit Singh, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1679935050
VIRTUAL ACTIVE

Lu Chen, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
10+ Years Exp.
ACCESS PROFILE
NPI: 1679557797
VIRTUAL ACTIVE

Duke H Nguyen, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1669492724
VIRTUAL ACTIVE

Ketan Gokal Bhakta, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
David Geffen School of Medicine at UCLA (1989)
20+ Years Exp.
ACCESS PROFILE
NPI: 1659643682
VIRTUAL ACTIVE

Steven Siwei Yu, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
Medical University of South Carolina College of Medicine (2011)
14+ Years Exp.
ACCESS PROFILE
NPI: 1649298852
VIRTUAL ACTIVE

Thomas Joseph Asciuto

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
NYU Grossman School of Medicine (1989)
20+ Years Exp.
ACCESS PROFILE
NPI: 1639517808
VIRTUAL ACTIVE

Alan Arthur Susa Cantillep, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
Michigan State University College of Human Medicine (2011)
13+ Years Exp.
ACCESS PROFILE
NPI: 1619110830
VIRTUAL ACTIVE

Eric Panahi, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1609211838
VIRTUAL ACTIVE

Eric H Lee, M.D., PH.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
13+ Years Exp.
ACCESS PROFILE
NPI: 1598721227
VIRTUAL ACTIVE

Mikio Tachibana, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598296147
VIRTUAL ACTIVE

Christopher James Berg, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
David Geffen School of Medicine at UCLA (2017)
9+ Years Exp.
ACCESS PROFILE
NPI: 1598055709
VIRTUAL ACTIVE

Jerry Nicholas Hsieh, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
Virginia Commonwealth University School of Medicine (2011)
15+ Years Exp.
ACCESS PROFILE
NPI: 1578560884
VIRTUAL ACTIVE

Lalita M. Komanapalli, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
Loyola University Chicago Stritch School of Medicine (1996)
21+ Years Exp.
ACCESS PROFILE
NPI: 1558771188
VIRTUAL ACTIVE

Sina Jalali Milani, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
12+ Years Exp.
ACCESS PROFILE
NPI: 1558379503
VIRTUAL ACTIVE

Joginder S Jodhka, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1538486675
VIRTUAL ACTIVE

Nikhil Pulpet Warrier, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
16+ Years Exp.
ACCESS PROFILE
NPI: 1528097730
VIRTUAL ACTIVE

AHMED FEKRY AL-SADEK, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OTHER (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1528016318
VIRTUAL ACTIVE

Jack F Jacoub, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1477056406
VIRTUAL ACTIVE

John Christian Ong, DO

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
8+ Years Exp.
ACCESS PROFILE
NPI: 1457329179
VIRTUAL ACTIVE

Hoang Tran Nguyen, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1447341409
VIRTUAL ACTIVE

Viney Soni, M.D

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1437285095
VIRTUAL ACTIVE

Arvind S Nirula, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1417117979
VIRTUAL ACTIVE

Gurpreet Singh Multani, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1407964976
VIRTUAL ACTIVE

Tarun Marwaha, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1396088977
VIRTUAL ACTIVE

Lizhou Huang, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
Northwestern University Feinberg School of Medicine (2013)
13+ Years Exp.
ACCESS PROFILE
NPI: 1396049029
VIRTUAL ACTIVE

Sarah Elsayed, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
15+ Years Exp.
ACCESS PROFILE
NPI: 1376046185
VIRTUAL ACTIVE

Long Khanh Hua, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, AURORA (2018)
8+ Years Exp.
ACCESS PROFILE
NPI: 1356933683
VIRTUAL ACTIVE

Nasim Shahbazi, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
5+ Years Exp.
ACCESS PROFILE
NPI: 1316177462
VIRTUAL ACTIVE

Phong Huy Bui, MD

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (2006)
17+ Years Exp.
ACCESS PROFILE
NPI: 1255677134
VIRTUAL ACTIVE

Zavier Shawkat Ahmed, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
OFFICIAL REGISTRY DATA
14+ Years Exp.
ACCESS PROFILE
NPI: 1235664434
VIRTUAL ACTIVE

Jessica Schachter, D.O.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
Lake Erie College of Osteopathic Medicine (2017)
9+ Years Exp.
ACCESS PROFILE
NPI: 1225244775
VIRTUAL ACTIVE

Collin Cuong Vu, M.D.

Internal Medicine

NPI DATA 2026
FOUNTAIN VALLEY, CA
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE (2004)
19+ Years Exp.
ACCESS PROFILE

Local Discovery Protocol

Navigating healthcare in FOUNTAIN VALLEY, 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
Online Internal Medicine Doctors in FOUNTAIN VALLEY, CA | Telehealth Visits | NPI Telehealth | NPI Telehealth