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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: 1083641955
VIRTUAL ACTIVE

Frank Louis Mastrianno, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Emerson, NJ
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1083640767
VIRTUAL ACTIVE

Russell Paul Maxwell, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Salt Lake City, UT
University of Utah School of Medicine (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083640080
VIRTUAL ACTIVE

Daniel Leonard Griffen, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Rockville, MD
University of Iowa Roy J. and Lucille A. Carver College of Medicine (1982)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083639884
VIRTUAL ACTIVE

Todd Robert Fennell, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Greer, SC
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1083639595
VIRTUAL ACTIVE

Alexander D Fuld, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
White River Junction, VT
Sidney Kimmel Medical College at Thomas Jefferson University (2002)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083639439
VIRTUAL ACTIVE

Thomas P. Stern, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Huntersville, NC
University of Arkansas for Medical Sciences College of Medicine (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083638837
VIRTUAL ACTIVE

John Papandrea, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
West Hartford, CT
Albany Medical College (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083638282
VIRTUAL ACTIVE

Jeffrey Fredric Baron, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Pawtucket, RI
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1083638035
VIRTUAL ACTIVE

Andrew R Haas, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Philadelphia, PA
Sidney Kimmel Medical College at Thomas Jefferson University (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083637870
VIRTUAL ACTIVE

Sara Saberi, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Ann Arbor, MI
Wayne State University School of Medicine (2003)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083637730
VIRTUAL ACTIVE

Benjamin Edward Ball, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Bellevue, OH
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED (1986)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083636286
VIRTUAL ACTIVE

Mark E. Braun, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Concord, NC
DREXEL UNIVERSITY COLLEGE OF MEDICINE (2000)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083635742
VIRTUAL ACTIVE

Thomas K Kramer, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Anchorage, AK
University of Utah School of Medicine (1980)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083635379
VIRTUAL ACTIVE

John H Yost, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Manchester, NH
Des Moines University (1986)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083634372
VIRTUAL ACTIVE

Rene A Reyes, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Hollywood, FL
PONCE SCHOOL OF MEDICINE (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083634323
VIRTUAL ACTIVE

Grace S Kim, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
San Carlos, CA
David Geffen School of Medicine at UCLA (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083634034
VIRTUAL ACTIVE

Rahul Y. Patel, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Rockville, MD
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1083632459
VIRTUAL ACTIVE

Brendan Michael De Marco, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Saint Louis, MO
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1083632319
VIRTUAL ACTIVE

Filemon K Tan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Houston, TX
McGovern Medical School at UTHealth Houston (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1083632079
VIRTUAL ACTIVE

Nirbhai Singh Hundal, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Turlock, CA
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