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

Dr. Keith Jeffrey Mathers, MD

Individual provider Ophthalmology Physician · NPI 1295989523

Dr. Keith Jeffrey Mathers, MD is an Ophthalmology in Bala Cynwyd, Pennsylvania. Graduated from Jefferson Medical College of Thomas Jefferson University in 2006, 20 years ago. Practices with Marvin H. Greenbaum, MD PC, a 4-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
20
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
PA
In the registry since
2008
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

501 Belmont Ave
Bala Cynwyd, PA 19004-1302
Phone: (610) 667-4066
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence MD442987 (PA)

Record details

NPI number1295989523
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 13, 2008
Last updated in NPPESJune 19, 2011
Mailing address501 Belmont Ave, Bala Cynwyd, PA 19004-1302

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2006 (20 years in practice)
Group practice Marvin H. Greenbaum, M.D. Pc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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