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: 1205939659
VIRTUAL ACTIVE

Robert Nelson Cann, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Pasadena, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1205938917
VIRTUAL ACTIVE

David Whittman, M.D., M.P.H.

Internal Medicine

CREDENTIALS VERIFIED 2026
Tucson, AZ
University of South Carolina School of Medicine (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205938362
VIRTUAL ACTIVE

Kevin Rael Pimstone, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Los Angeles, CA
University of Minnesota Medical School (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205936762
VIRTUAL ACTIVE

Frank Lixun Zhang, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Stony Brook, NY
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1205936507
VIRTUAL ACTIVE

Kathleen Brown Mantaro, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Fishkill, NY
Albany Medical College (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205934767
VIRTUAL ACTIVE

Alfredo Garcia, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Dallas, TX
Tufts University School of Medicine (1992)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205934288
VIRTUAL ACTIVE

Thomas J Katta, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Orlando, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1205934064
VIRTUAL ACTIVE

Gerry Orfanos, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Burlington, MA
UMass Chan Medical School (1989)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205934023
VIRTUAL ACTIVE

Bairava S Kuppuswamy, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Parkersburg, WV
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1205933504
VIRTUAL ACTIVE

Pedro O Martinez-Clark, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Miami, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1205932522
VIRTUAL ACTIVE

Wing Kin Fung, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Milton, MA
Tufts University School of Medicine (2002)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205932290
VIRTUAL ACTIVE

Laszlo A Feher, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
New York Institute of Technology College of Osteopathic Medicine (1993)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205931631
VIRTUAL ACTIVE

George M Lyon, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Atlanta, GA
JC EDWARDS SCHOOL OF MEDICINE, MARSHALL UNIVERSITY (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205929957
VIRTUAL ACTIVE

SITHA UY MILLER, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
WICHITA, KS
CREIGHTON UNIVERSITY SCHOOL OF MEDICINE (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205929437
VIRTUAL ACTIVE

Steven M Caine, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Bronx, NY
Icahn School of Medicine at Mount Sinai (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205929320
VIRTUAL ACTIVE

Ashley V Kelley, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Las Vegas, NV
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1205928694
VIRTUAL ACTIVE

KEVIN J GUO, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
NEW YORK, NY
OTHER (1987)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205928603
VIRTUAL ACTIVE

Vicenta Caceres, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
New York Medical College (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205928355
VIRTUAL ACTIVE

Daniel Ray Gaskin, Jr., M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Savannah, GA
Medical College of Georgia at Augusta University (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1205926854
VIRTUAL ACTIVE

AMIR ALEMZADEH, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
WOODBRIDGE, VA
GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE (1998)
20+ Years Exp.
ACCESS PROFILE
  • Previous
  • 1
  • More pages
  • 2467
  • 2468
  • 2469
  • 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