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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: 1326136557
VIRTUAL ACTIVE

Mai-Sie F Chan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
San Francisco, CA
Stanford University School of Medicine (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326136417
VIRTUAL ACTIVE

Laura Monica Chavez, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Paterson, NJ
New York Institute of Technology College of Osteopathic Medicine (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326136243
VIRTUAL ACTIVE

Carol N Abalihi, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
El Paso, TX
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326135450
VIRTUAL ACTIVE

Mohana Karlekar, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Nashville, TN
NYU Grossman School of Medicine (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326135443
VIRTUAL ACTIVE

Heidi Schaefer, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Nashville, TN
CINCINNATI COLLEGE OF MEDICINE AND SURGERY (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326132457
VIRTUAL ACTIVE

Ralph G. Zinner, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Lexington, KY
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326132101
VIRTUAL ACTIVE

Salman M Malik, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Glen Burnie, MD
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326130535
VIRTUAL ACTIVE

Elsayed Hussein, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Brooklyn, NY
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326130204
VIRTUAL ACTIVE

Timothy George Larson, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Minneapolis, MN
University of California, San Francisco School of Medicine (1989)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326129586
VIRTUAL ACTIVE

Joseph A Clemente, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Warren, NJ
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326129263
VIRTUAL ACTIVE

Monisha Sen, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Garden City, NY
Icahn School of Medicine at Mount Sinai (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326128539
VIRTUAL ACTIVE

Subramaniam C Krishnan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Sacramento, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326128281
VIRTUAL ACTIVE

John Christopher Lopshire, M.D., PH.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Indianapolis, IN
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326127093
VIRTUAL ACTIVE

Atul Singh, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Charleston, WV
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326127044
VIRTUAL ACTIVE

Marlenny Feliz Cruz, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Pembroke Pines, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1326126046
VIRTUAL ACTIVE

CRISPINO C. YLANAN, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
SACRAMENTO, CA
OTHER (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326125980
VIRTUAL ACTIVE

Steven Snyder, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
San Francisco, CA
Georgetown University School of Medicine (1970)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326124603
VIRTUAL ACTIVE

Howard Nizar, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Bakersfield, CA
HAHNEMANN UNIVERSITY COLLEGE OF MEDICINE (1980)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326124132
VIRTUAL ACTIVE

Shelia Brockette Dunaway

Internal Medicine

CREDENTIALS VERIFIED 2026
Nashville, TN
University of Tennessee Health Science Center (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1326122714
VIRTUAL ACTIVE

Debbie Schiller, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Bala Cynwyd, PA
Perelman School of Medicine at the University of Pennsylvania (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