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

David R Giammar, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1154307858

David R Giammar, MD is a Colorectal Surgery (Proctology) in Hilliard, Ohio. Graduated from Northeastern Ohio University College of Medicine in 1996, 30 years ago. Practices with Jtdm Family Practice LLC, a 48-clinician group and accepts Medicare assignment. Licensed in Michigan and Ohio.

Years since qualifying
30
Trained at
Northeastern Ohio University College of Medicine
Licensed in
MI, OH
In the registry since
2005
Specialties on file
2
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

3853 Trueman Ct
Hilliard, OH 43026-2496
Phone: (614) 210-2563
Fax: (614) 210-2563
Show map & directions

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

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 35.077358 (OH)
Colon & Rectal Surgery Physician Taxonomy 208C00000X · Licence 4301102844 (MI)

Record details

NPI number1154307858
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 15, 2005
Last updated in NPPESApril 16, 2026
Certification dateApril 16, 2026

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Also practisesGENERAL SURGERY
Medical schoolNORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Jtdm Family Practice Llc — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Hilliard