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: 1730146036
VIRTUAL ACTIVE

Alan B Weitberg, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
RUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC) (1976)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730144882
VIRTUAL ACTIVE

Lori Siegel, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Bannockburn, IL
Medical College of Wisconsin (1987)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730144742
VIRTUAL ACTIVE

Stephen Patrick Blatt, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Cincinnati, OH
University of Cincinnati College of Medicine (1985)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730144494
VIRTUAL ACTIVE

Albert Ing, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Kaneohe, HI
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730144304
VIRTUAL ACTIVE

Nilesh A. Patel, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
State College, PA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730144064
VIRTUAL ACTIVE

Robert J. Russo, M.D. PHD

Internal Medicine

CREDENTIALS VERIFIED 2026
La Jolla, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (1986)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730143728
VIRTUAL ACTIVE

Vandana Jain, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Skokie, IL
Northwestern University Feinberg School of Medicine (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730142993
VIRTUAL ACTIVE

Vinod Kumar, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Bakersfield, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730142977
VIRTUAL ACTIVE

Jan S. Ulbrecht, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
State College, PA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730142696
VIRTUAL ACTIVE

Alexander J Harmatz, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Providence, RI
Medical College of Georgia at Augusta University (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730142068
VIRTUAL ACTIVE

Murtaza N Bhuriwala, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Tomball, TX
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730141193
VIRTUAL ACTIVE

Steven Yu Villanueva, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
St Augustine, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730140559
VIRTUAL ACTIVE

Simi M Masand Rai, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Allentown, PA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730140278
VIRTUAL ACTIVE

Lawrence Kline, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
San Diego, CA
Philadelphia College of Osteopathic Medicine (1971)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730140088
VIRTUAL ACTIVE

Alexandra S. Karageorge, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Louisville, KY
University of Louisville School of Medicine (1992)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730139387
VIRTUAL ACTIVE

Irina Sachelarie, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Newport Beach, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730138918
VIRTUAL ACTIVE

Jeffrey E Olgin, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
San Francisco, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730137811
VIRTUAL ACTIVE

Raymond Britt Mahan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Rogers, AR
University of Arkansas for Medical Sciences College of Medicine (1986)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730137688
VIRTUAL ACTIVE

John P. Hakim, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Clinton, MD
Johns Hopkins University School of Medicine (1993)
20+ Years Exp.
ACCESS PROFILE
NPI: 1730136870
VIRTUAL ACTIVE

Sanjay Jagannath, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Raleigh, NC
University of Maryland School of Medicine (1995)
20+ Years Exp.
ACCESS PROFILE
  • Previous
  • 1
  • More pages
  • 832
  • 833
  • 834
  • 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