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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: 1427096452
VIRTUAL ACTIVE

Leena K Mehandru, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Pleasanton, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1427095553
VIRTUAL ACTIVE

Ann Trout, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Hyannis, MA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1427095421
VIRTUAL ACTIVE

Robert A Massa, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Brighton, CO
Tufts University School of Medicine (1989)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427092808
VIRTUAL ACTIVE

CATHERINE L MATHES, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
KNOXVILLE, TN
UNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427091404
VIRTUAL ACTIVE

Jane K Pearson, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Madison, WI
Medical College of Wisconsin (1989)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427091032
VIRTUAL ACTIVE

Zehra Noorani, M. D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Howell, MI
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1427090091
VIRTUAL ACTIVE

Daniel Cruz, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Los Angeles, CA
David Geffen School of Medicine at UCLA (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427090026
VIRTUAL ACTIVE

John Grable, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Rochester, NY
University of Pittsburgh School of Medicine (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427088848
VIRTUAL ACTIVE

Eric J Gertner, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Allentown, PA
RUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC) (1992)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427088442
VIRTUAL ACTIVE

Mehr Taj Rahmatullah, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Kissimmee, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1427088350
VIRTUAL ACTIVE

Marc A Olivier, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Green Valley, AZ
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1427088202
VIRTUAL ACTIVE

ARMINDER SINGH, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
SPRINGFIELD, MA
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB) (1991)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427088137
VIRTUAL ACTIVE

Samuel H Borden, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Springfield, MA
Albany Medical College (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427086354
VIRTUAL ACTIVE

Atul C Mehta

Internal Medicine

CREDENTIALS VERIFIED 2026
Cleveland, OH
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1427085109
VIRTUAL ACTIVE

Atul Prakash, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Clifton, NJ
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1427084607
VIRTUAL ACTIVE

Baowei Tang, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Monroeville, PA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1427084268
VIRTUAL ACTIVE

Neelam Todi, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Fair Lawn, NJ
Sidney Kimmel Medical College at Thomas Jefferson University (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427083450
VIRTUAL ACTIVE

Michael Frank Mellman, MEDICAL DOCTOR

Internal Medicine

CREDENTIALS VERIFIED 2026
El Segundo, CA
Icahn School of Medicine at Mount Sinai (1977)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427083419
VIRTUAL ACTIVE

Horng Min H Leou, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Redmond, WA
University of Arkansas for Medical Sciences College of Medicine (1992)
20+ Years Exp.
ACCESS PROFILE
NPI: 1427083112
VIRTUAL ACTIVE

Cheung Kwok Tom Leung, M. D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Gilroy, CA
Washington University School of Medicine in St. Louis (1984)
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