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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: 1598713554
VIRTUAL ACTIVE

Megan J Clancy, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Anchorage, AK
Tufts University School of Medicine (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598712739
VIRTUAL ACTIVE

Oleksandr Stupnytskyi, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Lawrence, MA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598712333
VIRTUAL ACTIVE

Evelyn L Morris, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Worcester, MA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598712077
VIRTUAL ACTIVE

Joseph Jura, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Vancouver, WA
UNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598711665
VIRTUAL ACTIVE

Monica Vasudev, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Sheboygan, WI
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598711285
VIRTUAL ACTIVE

Jing Yu, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Peabody, MA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598711160
VIRTUAL ACTIVE

Karl J D'Silva, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Peabody, MA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598710428
VIRTUAL ACTIVE

Ziad M Mamish, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Pensacola, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598708877
VIRTUAL ACTIVE

Mark Paul Leischner, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Chicago, IL
Loyola University Chicago Stritch School of Medicine (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598708430
VIRTUAL ACTIVE

Tracy Vo, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Cape Coral, FL
Philadelphia College of Osteopathic Medicine (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598707606
VIRTUAL ACTIVE

Paul A Sack, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Baltimore, MD
University of Maryland School of Medicine (2000)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598705980
VIRTUAL ACTIVE

GEORGE LOUIS SCHLOEMER, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
BEREA, KY
UNIVERSITY OF KENTUCKY COLLEGE OF MEDICINE (1979)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598705766
VIRTUAL ACTIVE

Monica Malec, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Zion, IL
University of Illinois College of Medicine (1992)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598705196
VIRTUAL ACTIVE

Kenneth Q Cruz, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Arlington Heights, IL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598705188
VIRTUAL ACTIVE

Bradley Sklar Weitzner, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Sarasota, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598705022
VIRTUAL ACTIVE

Janet M Chang, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Wellesley, MA
Tufts University School of Medicine (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598702623
VIRTUAL ACTIVE

Steven Fred Weisen, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Suffern, NY
Albert Einstein College of Medicine (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598701468
VIRTUAL ACTIVE

Oleg Katcher, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Brooklyn, NY
Icahn School of Medicine at Mount Sinai (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598701179
VIRTUAL ACTIVE

Jennifer Paterson, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Wellesley, MA
Tufts University School of Medicine (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1598700627
VIRTUAL ACTIVE

Austin J Ma, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Los Angeles, CA
OFFICIAL REGISTRY DATA
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