Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Diane G Fries-Balog, OD

Individual provider Optometrist · NPI 1730103946

Dr. Diane G Fries-Balog, OD is an Optometry in Pottstown, Pennsylvania. Graduated from Pennsylvania College of Optometry in 1992, 34 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey and Pennsylvania.

Years since qualifying
34
Trained at
Pennsylvania College of Optometry
Licensed in
NJ, PA
In the registry since
2006
Specialties on file
2
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

531 N Charlotte St
Pottstown, PA 19464-4602
Phone: (610) 323-0450
Fax: (610) 323-6369
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OEG001588 (PA)
Optometrist Taxonomy 152W00000X · Licence 27OA00519300 (NJ)

Record details

NPI number1730103946
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 27, 2006
Last updated in NPPESNovember 10, 2025
Certification dateNovember 10, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPENNSYLVANIA COLLEGE OF OPTOMETRY
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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