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Best Internal Doctors in Lancaster, OH | NPI Telehealth
Home/Ohio/Lancaster/Internal Doctors
LOCAL SPECIALTY PROTOCOL 2026

Internal Doctors
IN Lancaster.

Find and book top-rated Internal Medicine specialists in Lancaster, OH. Access NPI credentials sourced from federal records and virtual care availability.

SPECIALISTS

Active internal doctors in Lancaster jurisdiction.

13 ENTRIES FOUND
NPI: 1821403726
VIRTUAL ACTIVE

ANASTASIA BESSAS, D.O.

Internal Medicine

NPI DATA 2026
Lancaster, OH
OHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE (2014)
12+ Years Exp.
ACCESS PROFILE
NPI: 1790147379
VIRTUAL ACTIVE

AVNEET SINGH, M.D.

Internal Medicine

NPI DATA 2026
Lancaster, OH
OTHER (2016)
10+ Years Exp.
ACCESS PROFILE
NPI: 1760468953
VIRTUAL ACTIVE

NEELKANT RAYA, MD

Internal Medicine

NPI DATA 2026
Lancaster, OH
OTHER (1985)
21+ Years Exp.
ACCESS PROFILE
NPI: 1427283076
VIRTUAL ACTIVE

IRVING ROSENBERG, M.D.

Internal Medicine

NPI DATA 2026
Lancaster, OH
WRIGHT STATE UNIVERSITY BOONSHOFT SCHOOL OF MEDICINE (2009)
17+ Years Exp.
ACCESS PROFILE
NPI: 1396856191
VIRTUAL ACTIVE

ROOPA SRIKANTIAH-SAHA, MD

Internal Medicine

NPI DATA 2026
Lancaster, OH
OTHER (2000)
20+ Years Exp.
ACCESS PROFILE
NPI: 1396716155
VIRTUAL ACTIVE

MARK LEPI, MD

Internal Medicine

NPI DATA 2026
Lancaster, OH
OHIO STATE UNIVERSITY COLLEGE OF MEDICINE (1999)
20+ Years Exp.
ACCESS PROFILE
NPI: 1346457355
VIRTUAL ACTIVE

ANDREW TWEHUES, M.D.

Internal Medicine

NPI DATA 2026
Lancaster, OH
UNIVERSITY OF KENTUCKY COLLEGE OF MEDICINE (2005)
19+ Years Exp.
ACCESS PROFILE
NPI: 1336434729
VIRTUAL ACTIVE

JOHN LAZARUS, MD

Internal Medicine

NPI DATA 2026
Lancaster, OH
OTHER (2014)
15+ Years Exp.
ACCESS PROFILE
NPI: 1336292085
VIRTUAL ACTIVE

CHRISTIAN TENCZA, M.D.

Internal Medicine

NPI DATA 2026
Lancaster, OH
OTHER (2004)
19+ Years Exp.
ACCESS PROFILE
NPI: 1144210055
VIRTUAL ACTIVE

ANDREW DAGG-MURRY, MD

Internal Medicine

NPI DATA 2026
Lancaster, OH
OHIO STATE UNIVERSITY COLLEGE OF MEDICINE (1993)
21+ Years Exp.
ACCESS PROFILE
NPI: 1134162563
VIRTUAL ACTIVE

JARROD BRUCE, M.D., FCCP

Internal Medicine

NPI DATA 2026
Lancaster, OH
OHIO STATE UNIVERSITY COLLEGE OF MEDICINE (2003)
20+ Years Exp.
ACCESS PROFILE
NPI: 1063874113
VIRTUAL ACTIVE

GALEN HAYEK, DO

Internal Medicine

NPI DATA 2026
Lancaster, OH
LAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE (2016)
10+ Years Exp.
ACCESS PROFILE
NPI: 1053687525
VIRTUAL ACTIVE

ANDREW STIFF

Internal Medicine

NPI DATA 2026
Lancaster, OH
OTHER (2012)
14+ Years Exp.
ACCESS PROFILE

Local Discovery Protocol

Navigating healthcare in Lancaster, OH requires finding the right expert. A highly qualified internal medicine is crucial for proper diagnosis and long-term care management.

  • NPI Credentials: Active NPI status and valid OH state licensing sourced from federal records.
  • Virtual Options: Encrypted telehealth consultations available for remote triage.
All Providers in OhioNationwide Internal Medicines