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

Dr. Gary Hamamoto, MD

Individual provider Surgery Physician · NPI 1356348833

Dr. Gary Hamamoto, MD is a General Surgery in Owings Mills, Maryland. Graduated from R Franklin University of Med & SCI/Chicago Medical School in 1979, 47 years ago. Practices with Sinai Hospital of Baltimore, Inc, a 372-clinician group. Licensed in Maryland.

Years since qualifying
47
Trained at
R Franklin University of Med & SCI/Chicago Medical School
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

23 Crossroads Dr Ste #240
Owings Mills, MD 21117-5420
Phone: (410) 581-0700
Fax: (410) 581-0705
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence D0030516 (MD)

Record details

NPI number1356348833
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2005
Last updated in NPPESAugust 21, 2024
Certification dateAugust 21, 2024

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolR FRANKLIN UNIVERSITY OF MED & SCI/CHICAGO MEDICAL SCHOOL
Graduated 1979 (47 years in practice)
Group practice Sinai Hospital Of Baltimore, Inc — 372 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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