Skip to main content
NPITelehealth
SpecialtiesLocationsJournalAbout
ProvidersRegistry Search
CMS Data Source
NPI Registry Data
Expert Editorial
NPITelehealth

Finding a doctor shouldn't be a guessing game. We connect patients with verified healthcare professionals using official federal data.

Explore

  • Search
  • Specialties
  • Locations
  • Guides

Resources

  • Methodology
  • Editorial
  • For Providers
  • Sitemap

Legal

  • About
  • Contact
  • Privacy
  • Terms

© 2026 NPI Telehealth

US Registry Operational
CMS Source

Informational purposes only — not medical advice. Always consult a professional. Data updated weekly. Read full disclaimer.

PrivacyTermsEditorialDisclaimer
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: 1821072257
VIRTUAL ACTIVE

Rachel P Rosovsky, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
Harvard Medical School (2000)
21+ Years Exp.
ACCESS PROFILE
NPI: 1821072018
VIRTUAL ACTIVE

Rodolfo B Penaflor, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Tucson, AZ
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1821071234
VIRTUAL ACTIVE

Patrick Thomas Ogara, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
Northwestern University Feinberg School of Medicine (1978)
21+ Years Exp.
ACCESS PROFILE
NPI: 1821071069
VIRTUAL ACTIVE

Natarajan Ravendhran, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Catonsville, MD
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1821070970
VIRTUAL ACTIVE

Edwin Heidelberger, MD PHD

Internal Medicine

CREDENTIALS VERIFIED 2026
Springville, NY
Jacobs School of Medicine and Biomedical Sciences at SUNY Buffalo (1990)
21+ Years Exp.
ACCESS PROFILE
NPI: 1821070939
VIRTUAL ACTIVE

Kenneth D Chi, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Glenview, IL
Wayne State University School of Medicine (1998)
21+ Years Exp.
ACCESS PROFILE
NPI: 1821070590
VIRTUAL ACTIVE

Alex S Metzger, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Greenbrae, CA
Sidney Kimmel Medical College at Thomas Jefferson University (2000)
21+ Years Exp.
ACCESS PROFILE
NPI: 1821070160
VIRTUAL ACTIVE

Michael Thomas Nathan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Revere, MA
Rush Medical College (1996)
21+ Years Exp.
ACCESS PROFILE
NPI: 1821069865
VIRTUAL ACTIVE

Ilya G Glezerman, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
Albany Medical College (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1821069162
VIRTUAL ACTIVE

Joseph S Galati, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Houston, TX
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1821069030
VIRTUAL ACTIVE

Dora V. Ancaya-Lujan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Fort Myers, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1821068495
VIRTUAL ACTIVE

Madhavi Ponnapalli, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
Icahn School of Medicine at Mount Sinai (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1821067786
VIRTUAL ACTIVE

MAHMOUD BADER AQEL, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
PATERSON, NJ
OTHER (1980)
20+ Years Exp.
ACCESS PROFILE
NPI: 1821067547
VIRTUAL ACTIVE

SMRUTIREKHA MISRA, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
SAN RAMON, CA
OTHER (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1821067281
VIRTUAL ACTIVE

Elwyn Clement Cabebe, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
San Jose, CA
UNIVERSITY OF VERMONT COLLEGE OF MEDICINE (2002)
20+ Years Exp.
ACCESS PROFILE
NPI: 1821067232
VIRTUAL ACTIVE

Mei-Hui Wang, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Somerset, NJ
Renaissance School of Medicine at Stony Brook University (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1821067059
VIRTUAL ACTIVE

Niuton Seigo Koide, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Las Vegas, NV
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1821066853
VIRTUAL ACTIVE

LISA HARSTON-LEDOUX, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
LIVONIA, MI
OTHER (1991)
20+ Years Exp.
ACCESS PROFILE
NPI: 1821065426
VIRTUAL ACTIVE

Kelley B Singer, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Hendersonville, NC
University of Oklahoma College of Medicine (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1821065004
VIRTUAL ACTIVE

Shawn Alexander Chillag, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Charleston, WV
WEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE (1973)
20+ Years Exp.
ACCESS PROFILE
  • Previous
  • 1
  • More pages
  • 549
  • 550
  • 551
  • More pages
  • 3111
  • Next

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