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© 2026 NPI Telehealth

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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: 1811056773
VIRTUAL ACTIVE

JONATHAN R. BROWN, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
DEERFIELD, IL
NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1811056336
VIRTUAL ACTIVE

David Charles Christiansen, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Missoula, MT
Mayo Clinic Alix School of Medicine (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1811055692
VIRTUAL ACTIVE

David Lincoln Diuguid, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
JS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY (1979)
20+ Years Exp.
ACCESS PROFILE
NPI: 1811055080
VIRTUAL ACTIVE

Ramesh M Kotihal, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Orange Park, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1811054893
VIRTUAL ACTIVE

Zimu Zheng, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Huntington, NY
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE (2001)
19+ Years Exp.
ACCESS PROFILE
NPI: 1811054539
VIRTUAL ACTIVE

Imran A Khan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
New Port Richey, FL
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1811054000
VIRTUAL ACTIVE

Joseph A Weber, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Ashland, PA
University of Pittsburgh School of Medicine (1971)
19+ Years Exp.
ACCESS PROFILE
NPI: 1811051246
VIRTUAL ACTIVE

Eric Leibovitch, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Ventura, CA
Northwestern University Feinberg School of Medicine (1961)
20+ Years Exp.
ACCESS PROFILE
NPI: 1811050933
VIRTUAL ACTIVE

Jodi Lynn Chitwood, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Atlanta, GA
JS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1811043409
VIRTUAL ACTIVE

Cortney Ray Bosworth, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Lakewood, CO
UNIVERSITY OF VERMONT COLLEGE OF MEDICINE (2006)
19+ Years Exp.
ACCESS PROFILE
NPI: 1811042245
VIRTUAL ACTIVE

Susan Yehle Ritter, MD, PHD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
McGovern Medical School at UTHealth Houston (2005)
19+ Years Exp.
ACCESS PROFILE
NPI: 1811041106
VIRTUAL ACTIVE

Ramin Mazhari

Internal Medicine

CREDENTIALS VERIFIED 2026
Vienna, VA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1811040173
VIRTUAL ACTIVE

Joel Fausto Kliatchko Estrada, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Puyallup, WA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1811037286
VIRTUAL ACTIVE

Paulgun Sulur, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Austin, TX
Vanderbilt University School of Medicine (2004)
19+ Years Exp.
ACCESS PROFILE
NPI: 1811034176
VIRTUAL ACTIVE

Aimee Truesdale, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Englewood, CO
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1811033152
VIRTUAL ACTIVE

Rachel Lauren Derr, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Atlanta, GA
Johns Hopkins University School of Medicine (2001)
19+ Years Exp.
ACCESS PROFILE
NPI: 1811032113
VIRTUAL ACTIVE

Margaret Betts, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Detroit, MI
MEDICAL COLLEGE OF OHIO (1978)
19+ Years Exp.
ACCESS PROFILE
NPI: 1811031222
VIRTUAL ACTIVE

Jonathan M. Fenkel, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Philadelphia, PA
Sidney Kimmel Medical College at Thomas Jefferson University (2004)
19+ Years Exp.
ACCESS PROFILE
NPI: 1811029242
VIRTUAL ACTIVE

Antoine Azar, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Baltimore, MD
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1811024631
VIRTUAL ACTIVE

Alexia Moutsatsos, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Newark, DE
Georgetown University School of Medicine (2004)
19+ 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