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© 2026 NPI Telehealth

US Registry Operational
CMS Source

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

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Online Internal Medicine Doctors | Telehealth & Virtual Visits | NPI Telehealth | NPI Telehealth
SPECIALTY DISCOVERY ACTIVE 2026

Internal Medicine.

Find and book verified Internal Medicine specialists. Access NPI credentials, office locations, and virtual care availability.

VERIFIED SPECIALISTS

Active medical practitioners in Internal Medicine clinical focus.

62,216 ENTRIES FOUND
NPI: 1629171202
VIRTUAL ACTIVE

Ramin Manshadi, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Stockton, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1629170857
VIRTUAL ACTIVE

Ruel B Garcia, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Orlando, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1629170600
VIRTUAL ACTIVE

MICHAEL E MARTIN, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
PORTSMOUTH, OH
UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE (1991)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629168786
VIRTUAL ACTIVE

Elise M. Chambers, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Cincinnati, OH
UNIVERSITY OF NEW MEXICO SCHOOL OF MEDICINE (2005)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629168307
VIRTUAL ACTIVE

Kathryn Hassell, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Aurora, CO
University of Minnesota Medical School (1986)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629167929
VIRTUAL ACTIVE

HUYEN THI NGUYEN, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
LIVE OAK, TX
UNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO (1992)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629167747
VIRTUAL ACTIVE

Alla Boykoff, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
San Francisco, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1629167473
VIRTUAL ACTIVE

Brett Walter Teten, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
St Paul, MN
Saint Louis University School of Medicine (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629166574
VIRTUAL ACTIVE

Joycelyn Dadural Maw, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Middlebury, CT
New York Medical College (2004)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629166442
VIRTUAL ACTIVE

Matthew Eric Adess, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Highland Park, IL
Loyola University Chicago Stritch School of Medicine (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629166368
VIRTUAL ACTIVE

Anthony Paul Siu, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Honolulu, HI
UNIVERSITY OF HAWAII JOHN A. BURNS SCHOOL OF MEDICINE (1991)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629166053
VIRTUAL ACTIVE

Mark Stephen Walmer, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Chandler, AZ
Medical University of South Carolina College of Medicine (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629164314
VIRTUAL ACTIVE

Paul G. Corn, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Houston, TX
George Washington University School of Medicine and Health Sciences (1993)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629164215
VIRTUAL ACTIVE

Meliha Hassan Shah, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Reston, VA
University of Virginia School of Medicine (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629163191
VIRTUAL ACTIVE

Henry Pool Tufts, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Hyannis, MA
George Washington University School of Medicine and Health Sciences (1987)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629162938
VIRTUAL ACTIVE

Dhiren Kumar, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Richmond, VA
University of Virginia School of Medicine (2002)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629162664
VIRTUAL ACTIVE

Neil J. Stone, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Chicago, IL
Northwestern University Feinberg School of Medicine (1968)
20+ Years Exp.
ACCESS PROFILE
NPI: 1629162177
VIRTUAL ACTIVE

Syed S Ahmad, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Lawrenceville, NJ
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1629161849
VIRTUAL ACTIVE

Manuja C Mathur, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Bronx, NY
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1629161534
VIRTUAL ACTIVE

Fathimazzohare Syed, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Tampa, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
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Why Choose a Verified Internal Medicine Specialist?

Selecting a Internal Medicine is a personal decision that impacts your long-term health. Whether you are seeking treatment for a specific condition or looking for a second opinion, we provide access to a verified list of practicing specialists.

We recommend reviewing clinical background, years of practice, and verified patient experiences before scheduling your visit. Many Internal Medicines now offer telehealth services, allowing you to receive expert medical advice from the comfort of your home.

Institutional Data Integrity

Every provider on NPI Telehealth is verified against the National Plan and Provider Enumeration System (NPPES). We ensure that you connect with licensed, active professionals who meet federal clinical standards.

100% VERIFIED CREDENTIALS
REAL-TIME REGISTRY UPDATES