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© 2026 NPI Telehealth

US Registry Operational
CMS Source

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

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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: 1114154945
VIRTUAL ACTIVE

Laura K Certain, MD, PHD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
University of Washington School of Medicine (2009)
17+ Years Exp.
ACCESS PROFILE
NPI: 1114154036
VIRTUAL ACTIVE

Brian Joseph Stout, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1114153731
VIRTUAL ACTIVE

Stavros E Mountantonakis, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Manhasset, NY
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1114152717
VIRTUAL ACTIVE

Devan Marar, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
San Francisco, CA
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1114152303
VIRTUAL ACTIVE

Aliya Haider, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Greenwood, IN
OFFICIAL REGISTRY DATA
17+ Years Exp.
ACCESS PROFILE
NPI: 1114152048
VIRTUAL ACTIVE

Melvin Paul Simien, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Fort Worth, TX
LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN SHREVEPORT (2009)
17+ Years Exp.
ACCESS PROFILE
NPI: 1114151370
VIRTUAL ACTIVE

Meira Abramowitz

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
SUNY Downstate Health Sciences University (2009)
17+ Years Exp.
ACCESS PROFILE
NPI: 1114146693
VIRTUAL ACTIVE

Margaret Tsai, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Lorain, OH
NORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE (2003)
19+ Years Exp.
ACCESS PROFILE
NPI: 1114144649
VIRTUAL ACTIVE

Alexander Ronald Evens, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Turlock, CA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1114144615
VIRTUAL ACTIVE

Steven Thomas Prior, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Atlanta, GA
Emory University School of Medicine (2003)
19+ Years Exp.
ACCESS PROFILE
NPI: 1114144516
VIRTUAL ACTIVE

Sherin Ibrahim Howett, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Millsboro, DE
New York Institute of Technology College of Osteopathic Medicine (2003)
19+ Years Exp.
ACCESS PROFILE
NPI: 1114144466
VIRTUAL ACTIVE

Chitra Sadasiwan Bhosekar, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Green Bay, WI
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1114144235
VIRTUAL ACTIVE

Vasundhara Vidyarthi

Internal Medicine

CREDENTIALS VERIFIED 2026
Great Neck, NY
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1114143062
VIRTUAL ACTIVE

Cynthia Mahesh Vakhariya, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Southfield, MI
Michigan State University College of Human Medicine (2004)
19+ Years Exp.
ACCESS PROFILE
NPI: 1114142791
VIRTUAL ACTIVE

Scott Gabbard, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Cleveland, OH
Case Western Reserve University School of Medicine (2006)
19+ Years Exp.
ACCESS PROFILE
NPI: 1114142403
VIRTUAL ACTIVE

Siva Prasad Sontineni, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Denton, TX
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1114139342
VIRTUAL ACTIVE

Brian Andrew Brunson, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Alabaster, AL
University of Alabama at Birmingham School of Medicine (2006)
19+ Years Exp.
ACCESS PROFILE
NPI: 1114138534
VIRTUAL ACTIVE

Carmen Calfa, MEDICAL ONCOLOGIST

Internal Medicine

CREDENTIALS VERIFIED 2026
Hollywood, FL
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1114138401
VIRTUAL ACTIVE

Michael Canos, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Cincinnati, OH
George Washington University School of Medicine and Health Sciences (2003)
19+ Years Exp.
ACCESS PROFILE
NPI: 1114138351
VIRTUAL ACTIVE

Ryon Nakasone, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Honolulu, HI
Johns Hopkins University School of Medicine (2006)
19+ Years Exp.
ACCESS PROFILE
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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