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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: 1407879091
VIRTUAL ACTIVE

Rico V.M. Romano, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Mount Vernon, WA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1407879018
VIRTUAL ACTIVE

Hannah L. Miller, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
New Haven, CT
JS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY (2000)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407878523
VIRTUAL ACTIVE

Punnaiah Marella, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Phoenix, AZ
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1407877590
VIRTUAL ACTIVE

SHARON KESTIN, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
YOUNG HARRIS, GA
OTHER (1988)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407877095
VIRTUAL ACTIVE

John A Turchiano, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
New Milford, CT
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1407876774
VIRTUAL ACTIVE

Douglas E Cummings, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Santa Barbara, CA
UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE (1985)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407876675
VIRTUAL ACTIVE

SCOTT ALAN MCCUNE, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
HUNTERSVILLE, NC
MEDICAL COLLEGE OF OHIO (1990)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407876659
VIRTUAL ACTIVE

Chistopher Nguyen Do, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
San Jose, CA
Texas Tech University Health Sciences Center School of Medicine (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407876550
VIRTUAL ACTIVE

William D Birenbaum, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Saint Louis, MO
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE (1982)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407876436
VIRTUAL ACTIVE

Thomas T Togioka, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
El Segundo, CA
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE (1985)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407875982
VIRTUAL ACTIVE

Kiem Dian Liem, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Long Beach, CA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1407874621
VIRTUAL ACTIVE

Ahmad Osman Noori, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Reston, VA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1407874472
VIRTUAL ACTIVE

Gemma Porsuelo-Bangsal, NP

Internal Medicine

CREDENTIALS VERIFIED 2026
Duluth, GA
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1407874027
VIRTUAL ACTIVE

Jack Daulton Bissett, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Austin, TX
University of Texas Medical Branch (1981)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407872955
VIRTUAL ACTIVE

Louis Joseph Lux, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Austin, TX
University of Texas Southwestern Medical Center (1985)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407872724
VIRTUAL ACTIVE

Murali M Chakinala, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Saint Louis, MO
Vanderbilt University School of Medicine (1994)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407871551
VIRTUAL ACTIVE

Paul R. Duncan, M.D.

Internal Medicine

CREDENTIALS VERIFIED 2026
Boston, MA
New York Medical College (1997)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407871171
VIRTUAL ACTIVE

Charles W Phelps, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Annapolis, MD
University of Maryland School of Medicine (1988)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407871072
VIRTUAL ACTIVE

Ilene Michele Rosen, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Philadelphia, PA
Perelman School of Medicine at the University of Pennsylvania (1993)
20+ Years Exp.
ACCESS PROFILE
NPI: 1407870926
VIRTUAL ACTIVE

Catherine Brittain Callahan, MD

Internal Medicine

CREDENTIALS VERIFIED 2026
Charlotte, NC
Medical College of Georgia at Augusta University (2006)
20+ 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