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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: 1104988658
VIRTUAL ACTIVE

Elizabeth M Mcnally, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Chicago, IL
Albert Einstein College of Medicine (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104988195
VIRTUAL ACTIVE

Mark Rattinger, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
West Palm Beach, FL
University of Florida College of Medicine (1979)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104986405
VIRTUAL ACTIVE

Rodney Lane Ellis, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Lanham, MD
Stanford University School of Medicine (1975)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104985548
VIRTUAL ACTIVE

Angela E Duncan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Laurel, MD
HOWARD UNIVERSITY COLLEGE OF MEDICINE (1988)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104980762
VIRTUAL ACTIVE

Elena Massarotti, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
Tufts University School of Medicine (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104980291
VIRTUAL ACTIVE

Paul Andre Menard.Katcher, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Aurora, CO
Perelman School of Medicine at the University of Pennsylvania (2005)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104978048
VIRTUAL ACTIVE

Mazen Elyan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Crestview Hills, KY
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1104976778
VIRTUAL ACTIVE

Kathryn O'Day, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Coon Rapids, MN
University of Minnesota Medical School (2004)
19+ Years Exp.
ACCESS PROFILE
NPI: 1104975176
VIRTUAL ACTIVE

Mario Him Ming Chan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Arlington Heights, IL
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1104972835
VIRTUAL ACTIVE

Christian Frederick Meyer, M.D., PH. D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Baltimore, MD
Baylor College of Medicine (2001)
19+ Years Exp.
ACCESS PROFILE
NPI: 1104971688
VIRTUAL ACTIVE

Byron Goon Neu Young, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Honolulu, HI
Rush Medical College (1973)
19+ Years Exp.
ACCESS PROFILE
NPI: 1104966654
VIRTUAL ACTIVE

David Dongyoung Kim, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Los Angeles, CA
EASTERN VIRGINIA MEDICAL SCHOOL (1993)
19+ Years Exp.
ACCESS PROFILE
NPI: 1104966373
VIRTUAL ACTIVE

David H. Liang, M.D., PH.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Stanford, CA
Stanford University School of Medicine (1989)
19+ Years Exp.
ACCESS PROFILE
NPI: 1104965193
VIRTUAL ACTIVE

Carlos Macias, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Los Angeles, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1104963230
VIRTUAL ACTIVE

Bijal Desai, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Somerset, NJ
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1104961564
VIRTUAL ACTIVE

David P Visco, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Cape May Court House, NJ
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1104960616
VIRTUAL ACTIVE

Desmond Fritzroy Johnson, MD.

Internal Medicine

CREDENTIALS VERIFIED 2026
Mitchellville, MD
HOWARD UNIVERSITY COLLEGE OF MEDICINE (1978)
19+ Years Exp.
ACCESS PROFILE
NPI: 1104960525
VIRTUAL ACTIVE

Prateek Mendiratta, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Beachwood, OH
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1104953777
VIRTUAL ACTIVE

Kevin Naingthu Lin, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1104952811
VIRTUAL ACTIVE

Rinky Bhatia, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Ann Arbor, MI
Wayne State University School of Medicine (2002)
19+ 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