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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: 1689906067
VIRTUAL ACTIVE

Rashmi Jain, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
Avon, OH
OFFICIAL REGISTRY DATA
16+ Years Exp.
ACCESS PROFILE
NPI: 1689905705
VIRTUAL ACTIVE

Natalia Lazik, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Rochester, MN
OFFICIAL REGISTRY DATA
16+ Years Exp.
ACCESS PROFILE
NPI: 1689905150
VIRTUAL ACTIVE

Genevieve Tan Co Faustino, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Columbus, OH
OFFICIAL REGISTRY DATA
16+ Years Exp.
ACCESS PROFILE
NPI: 1689901324
VIRTUAL ACTIVE

Amy Lee Lundholm, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Ridley Park, PA
Lake Erie College of Osteopathic Medicine (2009)
17+ Years Exp.
ACCESS PROFILE
NPI: 1689900102
VIRTUAL ACTIVE

KIMBERLY DANAE NARAIN, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
LOS ANGELES, CA
MOREHOUSE SCHOOL OF MEDICINE (2007)
17+ Years Exp.
ACCESS PROFILE
NPI: 1689899270
VIRTUAL ACTIVE

Marilena Caldarusa, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Manchester, NH
GEISEL SCHOOL OF MEDICINE AT DARTMOUTH (2005)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689899221
VIRTUAL ACTIVE

Vivienne Yoon, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Mckinney, TX
University of Texas Medical Branch (2006)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689898397
VIRTUAL ACTIVE

Mohan Nallicheri Viswanathan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Stanford, CA
University of California, San Francisco School of Medicine (1999)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689895211
VIRTUAL ACTIVE

Jiten Dahyabhai Patel, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Spokane, WA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1689894495
VIRTUAL ACTIVE

Diaa Osman, DO

Internal Medicine

CREDENTIALS VERIFIED 2026
Austin, TX
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1689894230
VIRTUAL ACTIVE

Marc A Shapiro, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Cleveland, OH
UNIVERSITY OF TOLEDO COLLEGE OF MEDICINE (2001)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689894206
VIRTUAL ACTIVE

Diana Goldenberg, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
White Plains, NY
Tufts University School of Medicine (2003)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689891806
VIRTUAL ACTIVE

Erica Ryberg Bruen, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Billings, MT
University of Utah School of Medicine (2004)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689891129
VIRTUAL ACTIVE

Jorge Castillo, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1689889578
VIRTUAL ACTIVE

Heather J Landau, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
New York, NY
STATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY (2001)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689888505
VIRTUAL ACTIVE

Brent Younghoon Lee, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Portland, OR
Loma Linda University School of Medicine (2006)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689888307
VIRTUAL ACTIVE

Saurabh A Pande, M.D

Internal Medicine

CREDENTIALS VERIFIED 2026
El Paso, TX
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1689886962
VIRTUAL ACTIVE

Evelena Ontiveros, MD PHD

Internal Medicine

CREDENTIALS VERIFIED 2026
Decatur, IL
University of Iowa Roy J. and Lucille A. Carver College of Medicine (2004)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689885733
VIRTUAL ACTIVE

Greta Arlene Warta, D.O.

Internal Medicine

CREDENTIALS VERIFIED 2026
Broken Arrow, OK
OKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE (2003)
19+ Years Exp.
ACCESS PROFILE
NPI: 1689884645
VIRTUAL ACTIVE

Hetal Jagdish Patel, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Dallas, TX
University of Texas Southwestern Medical Center (2004)
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