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

Gregory Mathias Lam, DO

Individual provider Gastroenterology Physician · NPI 1861416596

Gregory Mathias Lam, DO is a Gastroenterology in Cincinnati, Ohio. Qualified in 2003, 23 years ago. Practices with Greater Cincinnati Digestive Health Network, a 15-clinician group and accepts Medicare assignment. Licensed in Kentucky and Ohio.

Years since qualifying
23
Licensed in
KY, OH
In the registry since
2006
Specialties on file
2
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.

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Practice location Address checks out

7661 Beechmont Ave Ste 120
Cincinnati, OH 45255-4234
Phone: (513) 231-9010
Fax: (513) 231-9706
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 34.013404 (OH)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 03484 (KY)

Record details

NPI number1861416596
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESNovember 18, 2019

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Greater Cincinnati Digestive Health Network — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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