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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: 1104808849
VIRTUAL ACTIVE

Jeanna Welborn, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Sacramento, CA
University of Texas Southwestern Medical Center (1982)
21+ Years Exp.
ACCESS PROFILE
NPI: 1104808443
VIRTUAL ACTIVE

ANTHONY WONG, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
IRVINE, CA
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE (1988)
21+ Years Exp.
ACCESS PROFILE
NPI: 1104808252
VIRTUAL ACTIVE

ERIC L WYMER, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
CAMBY, IN
INDIANA UNIVERSITY SCHOOL OF MEDICINE (1992)
21+ Years Exp.
ACCESS PROFILE
NPI: 1104807130
VIRTUAL ACTIVE

Michael C Barth, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Wantagh, NY
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1104807122
VIRTUAL ACTIVE

Steven W Dipillo, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Northampton, MA
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1104807023
VIRTUAL ACTIVE

George S Hanzel, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Atlanta, GA
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1104806116
VIRTUAL ACTIVE

Katherine Ann Keith, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Berrien Springs, MI
Loma Linda University School of Medicine (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104805902
VIRTUAL ACTIVE

Charles Shang, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Grass Valley, CA
Boston University Chobanian & Avedisian School of Medicine (1998)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104805761
VIRTUAL ACTIVE

Margaret Oswiecimski, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Fort Myers, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1104805126
VIRTUAL ACTIVE

Ferdinand J Manahan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Scranton, PA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1104804970
VIRTUAL ACTIVE

Jeremy P Cetnar, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Portland, OR
Loyola University Chicago Stritch School of Medicine (2002)
20+ Years Exp.
ACCESS PROFILE
NPI: 1104803808
VIRTUAL ACTIVE

William Preskenis, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Glastonbury, CT
Saint Louis University School of Medicine (1983)
21+ Years Exp.
ACCESS PROFILE
NPI: 1104803030
VIRTUAL ACTIVE

Paul Oswiecimski, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Cape Coral, FL
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1104802891
VIRTUAL ACTIVE

Nelson P Kopyt, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Allentown, PA
Philadelphia College of Osteopathic Medicine (1979)
21+ Years Exp.
ACCESS PROFILE
NPI: 1104802651
VIRTUAL ACTIVE

Patrick J Hanley, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Jim Thorpe, PA
Philadelphia College of Osteopathic Medicine (1989)
21+ Years Exp.
ACCESS PROFILE
NPI: 1104801893
VIRTUAL ACTIVE

Lori Lynn Pickrell, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Oklahoma City, OK
University of Oklahoma College of Medicine (1999)
21+ Years Exp.
ACCESS PROFILE
NPI: 1104801091
VIRTUAL ACTIVE

Nina Kushner, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Brooklyn, NY
OFFICIAL REGISTRY DATA
21+ Years Exp.
ACCESS PROFILE
NPI: 1104800572
VIRTUAL ACTIVE

Lawrence D Kaplan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Lawrenceville, GA
Emory University School of Medicine (1983)
21+ Years Exp.
ACCESS PROFILE
NPI: 1104591304
VIRTUAL ACTIVE

Sana Rehman, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Port Orchard, WA
OFFICIAL REGISTRY DATA
5+ Years Exp.
ACCESS PROFILE
NPI: 1104576974
VIRTUAL ACTIVE

Hannah Reese Phillips, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Rochester, MN
University of Illinois College of Medicine (2022)
4+ 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