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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: 1770570657
VIRTUAL ACTIVE

Thokozeni Lipato, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Richmond, VA
University of Alabama at Birmingham School of Medicine (2001)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770568891
VIRTUAL ACTIVE

Warren Marc Ross, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Ellicott City, MD
Jacobs School of Medicine and Biomedical Sciences at SUNY Buffalo (1971)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770568867
VIRTUAL ACTIVE

Gregory Marshall Heestand, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Stanford, CA
Keck School of Medicine of USC (2004)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770568792
VIRTUAL ACTIVE

Prasad S Garimella, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Braselton, GA
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1770568289
VIRTUAL ACTIVE

John R Weber, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Troy, MI
University of Michigan Medical School (1986)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770568115
VIRTUAL ACTIVE

Richard Barry Weinberg, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Winston Salem, NC
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1770567190
VIRTUAL ACTIVE

Carolyn L Rochester, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
New Haven, CT
Columbia University Vagelos College of Physicians and Surgeons (1983)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770566945
VIRTUAL ACTIVE

Yamil H Kouri, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Lakewood Ranch, FL
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1770566895
VIRTUAL ACTIVE

LARRY J FRIEDMAN, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
OCEANSIDE, NY
STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER (1983)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770566390
VIRTUAL ACTIVE

Donald Woytowitz

Internal Medicine

CREDENTIALS VERIFIED 2026
Pittsburgh, PA
University of Maryland School of Medicine (1987)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770566325
VIRTUAL ACTIVE

Richard W Lee, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Phoenix, AZ
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1770566085
VIRTUAL ACTIVE

Iftekhar A Khan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Milford, DE
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1770565871
VIRTUAL ACTIVE

David Christianson, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Billings, MT
University of Oklahoma College of Medicine (1993)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770565095
VIRTUAL ACTIVE

David Helfrich

Internal Medicine

CREDENTIALS VERIFIED 2026
Bethel Park, PA
University of Pittsburgh School of Medicine (1983)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770564692
VIRTUAL ACTIVE

STEVEN D GRANT, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
FARMINGTON HILLS, MI
UNIVERSITY OF MICHIGAN MEDICAL SCHOOL (1976)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770564437
VIRTUAL ACTIVE

Elena Anisimova, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Denver, CO
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1770564247
VIRTUAL ACTIVE

Dean Chang, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Hamden, CT
University of Michigan Medical School (1990)
21+ Years Exp.
ACCESS PROFILE
NPI: 1770563967
VIRTUAL ACTIVE

Javeed Siddiqui, MD, MPH

Internal Medicine

CREDENTIALS VERIFIED 2026
Roseville, CA
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1770563298
VIRTUAL ACTIVE

Prasad Ganapathy Iyer, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Rochester, MN
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1770562431
VIRTUAL ACTIVE

Martha E. Hierro, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Santa Monica, CA
David Geffen School of Medicine at UCLA (1987)
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