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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: 1023026184
VIRTUAL ACTIVE

Aref Wappi, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Bonita Springs, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1023025814
VIRTUAL ACTIVE

Sachin Jamnadas Hansalia, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Charlotte, NC
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1023025541
VIRTUAL ACTIVE

Gary Myles Mccray, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
La Grange Park, IL
Loyola University Chicago Stritch School of Medicine (1981)
20+ Years Exp.
ACCESS PROFILE
NPI: 1023025152
VIRTUAL ACTIVE

SUSAN YEH, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
PORTLAND, OR
UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1023024973
VIRTUAL ACTIVE

Gregorius Resuma Penilla, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Fenton, MO
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1023022548
VIRTUAL ACTIVE

Harold I Palevsky, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Philadelphia, PA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1023019924
VIRTUAL ACTIVE

Edward Robert Chafizadeh, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Austin, TX
Baylor College of Medicine (1989)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023019809
VIRTUAL ACTIVE

David Michael Christensen, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Croton On Hudson, NY
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1023018660
VIRTUAL ACTIVE

David Warfield, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Glendale, AZ
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1023017373
VIRTUAL ACTIVE

Richard A Haas, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Worcester, MA
University of California, San Francisco School of Medicine (1977)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023016292
VIRTUAL ACTIVE

Kenneth Mills, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
San Francisco, CA
Michigan State University College of Human Medicine (1973)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023015740
VIRTUAL ACTIVE

Nadim W Sarkies, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Bakersfield, CA
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1023015484
VIRTUAL ACTIVE

David W Wu, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Walnut Creek, CA
Indiana University School of Medicine (1998)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023014909
VIRTUAL ACTIVE

George Pavlou, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Woodland Park, NJ
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1023014545
VIRTUAL ACTIVE

Joseph Mcallister, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Abington, PA
HAHNEMANN UNIVERSITY COLLEGE OF MEDICINE (1987)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023014149
VIRTUAL ACTIVE

Dennis Michael Unks, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Erie, PA
University of Pittsburgh School of Medicine (1987)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023014123
VIRTUAL ACTIVE

Jerry M Roth, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Southampton, PA
Sidney Kimmel Medical College at Thomas Jefferson University (1983)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023014032
VIRTUAL ACTIVE

Anne-Marie Liszka

Internal Medicine

CREDENTIALS VERIFIED 2026
Erie, PA
Philadelphia College of Osteopathic Medicine (1987)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023013711
VIRTUAL ACTIVE

Maridel Aileen Hernandez, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Saint Clair Shores, MI
Michigan State University College of Osteopathic Medicine (1993)
21+ Years Exp.
ACCESS PROFILE
NPI: 1023013349
VIRTUAL ACTIVE

Jeffrey Philip Salberg, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Tarzana, CA
WAKE FOREST UNIVERSITY SCHOOL OF MEDICINE (1980)
21+ 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