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: 1073775722
VIRTUAL ACTIVE

Jigarkumar R Parikh, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Augusta, GA
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1073774691
VIRTUAL ACTIVE

Thanuja K Hamilton, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Mount Laurel, NJ
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1073773446
VIRTUAL ACTIVE

Michael Lawrence Friedman, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Mineola, NY
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1073773297
VIRTUAL ACTIVE

Deirdre Cocks Eschler, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Stony Brook, NY
Renaissance School of Medicine at Stony Brook University (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073772976
VIRTUAL ACTIVE

Raja Taunk, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Annapolis, MD
Rutgers New Jersey Medical School (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073772968
VIRTUAL ACTIVE

Christopher J Alvarado, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Lansing, MI
Michigan State University College of Osteopathic Medicine (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073772430
VIRTUAL ACTIVE

Hong Hanh Le Nguyen, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Arlington, VA
Philadelphia College of Osteopathic Medicine (2006)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073770293
VIRTUAL ACTIVE

Umberto Campia, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1073769709
VIRTUAL ACTIVE

Dina Marie Sparano, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Mayfield Heights, OH
RUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC) (2007)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073769659
VIRTUAL ACTIVE

John Charalambopoulos, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Alexandria, VA
Sidney Kimmel Medical College at Thomas Jefferson University (2006)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073768891
VIRTUAL ACTIVE

Genaro Fernandez, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
El Cajon, CA
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER (2007)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073768727
VIRTUAL ACTIVE

Lailey Naomi Oliva, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Los Altos, CA
University of Florida College of Medicine (2004)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073768404
VIRTUAL ACTIVE

Tina M Mathews, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Yonkers, NY
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1073765905
VIRTUAL ACTIVE

Maria Ana Villanueva Valencia, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Bear, DE
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1073763983
VIRTUAL ACTIVE

Stuart C Seigel, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Laguna Niguel, CA
Virginia Commonwealth University School of Medicine (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073762043
VIRTUAL ACTIVE

Erik Carrasco, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Miami Lakes, FL
OFFICIAL REGISTRY DATA
18+ Years Exp.
ACCESS PROFILE
NPI: 1073759866
VIRTUAL ACTIVE

Matthew John Czarny, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Baltimore, MD
Johns Hopkins University School of Medicine (2010)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073759346
VIRTUAL ACTIVE

Ezra Ceasar Israel, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Brooklyn, NY
SUNY Downstate Health Sciences University (2008)
18+ Years Exp.
ACCESS PROFILE
NPI: 1073756052
VIRTUAL ACTIVE

Jarett Feldman, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Houston, TX
George Washington University School of Medicine and Health Sciences (2009)
17+ Years Exp.
ACCESS PROFILE
NPI: 1073755534
VIRTUAL ACTIVE

Colleen Sherkow, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Wallingford, CT
University of Wisconsin School of Medicine and Public Health (2009)
17+ Years Exp.
ACCESS PROFILE
  • Previous
  • 1
  • More pages
  • 2873
  • 2874
  • 2875
  • 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