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: 1104089036
VIRTUAL ACTIVE

Sai Ravi Kiran Pingali, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Houston, TX
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1104088517
VIRTUAL ACTIVE

Kaelin Colleen Merveldt, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Oklahoma City, OK
McGovern Medical School at UTHealth Houston (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104086628
VIRTUAL ACTIVE

Harry J Thomas, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Austin, TX
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1104085745
VIRTUAL ACTIVE

Katie M Hawthorne, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Wynnewood, PA
Sidney Kimmel Medical College at Thomas Jefferson University (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104085448
VIRTUAL ACTIVE

Arul M Thomas, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Washington, DC
VIRGINIA COMMONWEALTH UNIV SCHOOL OF DENTISTRY (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104084649
VIRTUAL ACTIVE

Diane E Fresca, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Princeton, NJ
RUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC) (2001)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104083815
VIRTUAL ACTIVE

Jonathan Michael Nizar, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Iowa City, IA
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104083260
VIRTUAL ACTIVE

Omair Khwaja Yousuf, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Arlington, VA
UNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104080852
VIRTUAL ACTIVE

Frank Joseph Yono, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Royal Oak, MI
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1104080639
VIRTUAL ACTIVE

Antony Leslie Innasimuthu, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Newark, DE
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1104079177
VIRTUAL ACTIVE

Gokulakrishnan Balasubramanian, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Milwaukee, WI
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1104077585
VIRTUAL ACTIVE

Kathleen J Weiss, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Littleton, CO
University of Utah School of Medicine (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104075597
VIRTUAL ACTIVE

Nicholas John Mayer, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Florissant, MO
A.T. Still University Kirksville College of Osteopathic Medicine (2004)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104074814
VIRTUAL ACTIVE

MARGARET SONG, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
RIVERSIDE, CA
LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE (2001)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104074244
VIRTUAL ACTIVE

Irene Blanco, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Chicago, IL
Albert Einstein College of Medicine (1999)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104073212
VIRTUAL ACTIVE

GINA MIHAELA OPRISESCU, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
CLEVELAND, OH
OTHER (2002)
18+ Years Exp.
ACCESS PROFILE
NPI: 1104073030
VIRTUAL ACTIVE

Md. Zohirul Islam

Internal Medicine

CREDENTIALS VERIFIED 2026
Brooklyn, NY
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1104072727
VIRTUAL ACTIVE

Syed A. Riaz, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Marlton, NJ
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1104072636
VIRTUAL ACTIVE

Clay Conrad Watson, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Aurora, CO
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1104072586
VIRTUAL ACTIVE

Olga A Burzyantseva, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Kew Gardens, NY
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
  • Previous
  • 1
  • More pages
  • 2797
  • 2798
  • 2799
  • 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