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

Gregory L Bittner, OD

Individual provider Optometrist · NPI 1477539104

Gregory L Bittner, OD is an Optometry in Somerset, Pennsylvania. Graduated from Southern College of Optometry in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
47
Trained at
Southern College of Optometry
Licensed in
PA
In the registry since
2005
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

268 W Union St
Somerset, PA 15501-1539
Phone: (814) 445-6664
Fax: (814) 443-1108
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OEG000649 (PA)

Record details

NPI number1477539104
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedDecember 15, 2005
Last updated in NPPESJuly 18, 2016
Mailing address268 W Union St, Somerset, PA 15501-1539

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN COLLEGE OF OPTOMETRY
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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