Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Lazarus Onwuka, DO, MD

Individual provider Emergency Medicine Physician · NPI 1700269362

Dr. Lazarus Onwuka, DO, MD is a Hospitalist in Belfast, Maine. Qualified in 2015, 11 years ago. Practices with Samaritan Hospital of Troy, New York, a 260-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut, Maine and New York.

Years since qualifying
11
Licensed in
CT, ME, NY
In the registry since
2015
Specialties on file
5
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

118 Northport Ave
Belfast, ME 04915-6009
Phone: (207) 661-2018
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 50 Gaylord Farm Rd, Wallingford, CT 06492-2828 — (203) 284-2800
  • 1300 Roanoke Avenue, Riverhead, NY 11901 — (631) 388-6215

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 289501 (NY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 289501 (NY)
Family Medicine Physician Taxonomy 207Q00000X · Licence 289501 (NY)
Family Medicine Physician Taxonomy 207Q00000X · Licence LT18015 (ME)
Internal Medicine Physician Taxonomy 207R00000X · Licence 62056 (CT)

Record details

NPI number1700269362
Entity typeIndividual (Type 1)
GenderMale
Credentials DO , MD
Sole proprietorNo
NPI enumeratedJuly 1, 2015
Last updated in NPPESJune 16, 2025
Certification dateJune 16, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Samaritan Hospital Of Troy, New York — 260 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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