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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: 1992792402
VIRTUAL ACTIVE

Alexander Wong, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Sugar Land, TX
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1992792055
VIRTUAL ACTIVE

Margaret-Mary Williams, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Brockton, MA
Albany Medical College (1987)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992791354
VIRTUAL ACTIVE

Boris Bernard Ivkov, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1992790547
VIRTUAL ACTIVE

Dino Recchia, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Traverse City, MI
University of Michigan Medical School (1988)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992790414
VIRTUAL ACTIVE

Crystal Ilke Tuncay, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Valparaiso, IN
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED (2007)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992789697
VIRTUAL ACTIVE

Howard David Frauwirth, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Midland Park, NJ
Rutgers New Jersey Medical School (2000)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992789564
VIRTUAL ACTIVE

John T. Ader, DO-RHEUMATOLOGY

Internal Medicine

CREDENTIALS VERIFIED 2026
Post Falls, ID
A.T. Still University Kirksville College of Osteopathic Medicine (2000)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992789291
VIRTUAL ACTIVE

Thomas J Harris, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Waco, TX
McGovern Medical School at UTHealth Houston (2003)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992789036
VIRTUAL ACTIVE

Jeffrey Victor Matous, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Denver, CO
University of Washington School of Medicine (1985)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992788988
VIRTUAL ACTIVE

Paul E Hesterberg, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
UNIVERSITY OF VERMONT COLLEGE OF MEDICINE (1999)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992788160
VIRTUAL ACTIVE

Jonathan Slater, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Springfield, MA
UNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE (1989)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992787972
VIRTUAL ACTIVE

Sandeep Singh, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Middletown, NY
UNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE (1993)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992787485
VIRTUAL ACTIVE

Jason K. Chang, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Sacramento, CA
UNIVERSITY OF HAWAII JOHN A. BURNS SCHOOL OF MEDICINE (1991)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992787113
VIRTUAL ACTIVE

Ryan A. Bell, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
UNIFORMED SERVICES UHS FE HEBERT SCHOOL OF MED (2002)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992786503
VIRTUAL ACTIVE

Duccio Baldari, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Wellington, FL
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1992786164
VIRTUAL ACTIVE

John W Henson, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Augusta, GA
Loma Linda University School of Medicine (1984)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992786081
VIRTUAL ACTIVE

John Douglas Doty, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Charlotte, NC
University of Tennessee Health Science Center (1996)
21+ Years Exp.
ACCESS PROFILE
NPI: 1992785562
VIRTUAL ACTIVE

Krithika Mullengada, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Succasunna, NJ
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1992784995
VIRTUAL ACTIVE

Geeta A Sangani, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Syracuse, NY
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1992784565
VIRTUAL ACTIVE

Jing-Sheng Zheng, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Galloway, NJ
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