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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: 1740269513
VIRTUAL ACTIVE

Michelle Sit, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Vacaville, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1740268754
VIRTUAL ACTIVE

JOHN S VITELLI, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
PROVIDENCE, RI
OTHER (1987)
20+ Years Exp.
ACCESS PROFILE
NPI: 1740268481
VIRTUAL ACTIVE

Daniel A Langer, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Loveland, CO
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1740268234
VIRTUAL ACTIVE

Catherine M Silva, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
East Boston, MA
Sidney Kimmel Medical College at Thomas Jefferson University (1987)
20+ Years Exp.
ACCESS PROFILE
NPI: 1740268135
VIRTUAL ACTIVE

Sausan Tahtawi Campbell, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Hendersonville, NC
Tufts University School of Medicine (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1740268010
VIRTUAL ACTIVE

Masood A Siddiqui, MD, FCCP

Internal Medicine

CREDENTIALS VERIFIED 2026
Wilmington, DE
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1740267921
VIRTUAL ACTIVE

Shahida Haq Khan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Ypsilanti, MI
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1740267756
VIRTUAL ACTIVE

Heliodoro Medina, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Geneva, IL
University of Illinois College of Medicine (1996)
21+ Years Exp.
ACCESS PROFILE
NPI: 1740267418
VIRTUAL ACTIVE

Murali K Duggirala, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Rochester, MN
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1740266998
VIRTUAL ACTIVE

Vishwanatha S Nadig, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
De Queen, AR
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1740266923
VIRTUAL ACTIVE

Amar Bista, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Phoenix, AZ
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1740266659
VIRTUAL ACTIVE

Laurence Friedman

Internal Medicine

CREDENTIALS VERIFIED 2026
Pittsburgh, PA
Medical University of South Carolina College of Medicine (1989)
21+ Years Exp.
ACCESS PROFILE
NPI: 1740266626
VIRTUAL ACTIVE

Maria Aleina Miguel Yen, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Sacramento, CA
McGovern Medical School at UTHealth Houston (2004)
21+ Years Exp.
ACCESS PROFILE
NPI: 1740266303
VIRTUAL ACTIVE

Ronnie Gentry, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Houston, TX
McGovern Medical School at UTHealth Houston (1992)
21+ Years Exp.
ACCESS PROFILE
NPI: 1740264969
VIRTUAL ACTIVE

Gregory Philip Dilimetin, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Bellmore, NY
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1740264647
VIRTUAL ACTIVE

Charmaine M Blair, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Columbus, OH
Ohio State University College of Medicine (1994)
21+ Years Exp.
ACCESS PROFILE
NPI: 1740263276
VIRTUAL ACTIVE

Michael L Grossbard, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
Yale School of Medicine (1986)
21+ Years Exp.
ACCESS PROFILE
NPI: 1740262484
VIRTUAL ACTIVE

Jeremy S Abramson, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
Icahn School of Medicine at Mount Sinai (2000)
21+ Years Exp.
ACCESS PROFILE
NPI: 1740262286
VIRTUAL ACTIVE

Steven B Cohen, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Needham, MA
Georgetown University School of Medicine (1990)
21+ Years Exp.
ACCESS PROFILE
NPI: 1740262013
VIRTUAL ACTIVE

Bernardino Flores Abaya, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Houston, TX
OFFICIAL REGISTRY DATA
21+ 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