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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: 1518911924
VIRTUAL ACTIVE

J Michael Caldwell, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Missoula, MT
Lewis Katz School of Medicine at Temple University (1993)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518910660
VIRTUAL ACTIVE

Charlie Yadao Sonido, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Waipahu, HI
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518910561
VIRTUAL ACTIVE

Henry Q Xiong, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Fort Worth, TX
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518910223
VIRTUAL ACTIVE

Nali Spencer, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Houston, TX
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518910132
VIRTUAL ACTIVE

Lowell B Taubman, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Long Beach, NY
New York Medical College (1981)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518909167
VIRTUAL ACTIVE

Alexis Augustine Vazquez, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Jacksonville Beach, FL
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518907401
VIRTUAL ACTIVE

Charles Ruggeroli, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Las Vegas, NV
Tulane University School of Medicine (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518906676
VIRTUAL ACTIVE

Marvin Lamar Bryant, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Vancouver, WA
University of Mississippi School of Medicine (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518906569
VIRTUAL ACTIVE

Azhar Afaq, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Fort Worth, TX
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518905942
VIRTUAL ACTIVE

Narian Rajan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Alexandria, VA
Duke University School of Medicine (1984)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518905686
VIRTUAL ACTIVE

Kashif Majeed Chaudhry, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Taylor, MI
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518905355
VIRTUAL ACTIVE

Stephen Joseph Zimmermann, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Niceville, FL
University of Cincinnati College of Medicine (1996)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518905322
VIRTUAL ACTIVE

Elvio Ardilles, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Walnut Creek, CA
Renaissance School of Medicine at Stony Brook University (2000)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518905223
VIRTUAL ACTIVE

Aldona Ziolkowska, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
High Point, NC
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518903731
VIRTUAL ACTIVE

Katherine M. White, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Iowa City, IA
Indiana University School of Medicine (2006)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518903574
VIRTUAL ACTIVE

Summer Dawn Long, PAC

Internal Medicine

CREDENTIALS VERIFIED 2026
Grand Junction, CO
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518903525
VIRTUAL ACTIVE

Malavika Vinta, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Austin, TX
Albany Medical College (2001)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518902097
VIRTUAL ACTIVE

Shailesh Bajaj, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Fort Wayne, IN
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1518900919
VIRTUAL ACTIVE

Brent N Barranco, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Birmingham, AL
Tulane University School of Medicine (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1518799022
VIRTUAL ACTIVE

Katherine Antel, MD, PHD

Internal Medicine

CREDENTIALS VERIFIED 2026
Charleston, SC
OFFICIAL REGISTRY DATA
2+ 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