Keith Jeffrey Mathers, M.D.
Ophthalmology Physician · Bala Cynwyd, PA
Keith Jeffrey Mathers, M.D. is an ophthalmology physician with a practice address in Bala Cynwyd, Pennsylvania, and NPI 1295989523, issued on Nov 13, 2008. Check the license (Pennsylvania MD442987, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Keith Jeffrey Mathers
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD442987 PA
Self-reported in NPPES; status is on the state search - Practice location
- 501 Belmont Ave, Bala Cynwyd, PA 19004
- Phone
- (610) 667-4066
- Enumerated
- Nov 13, 2008
- Record last updated
- Jun 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110720000268); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2006
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 501 Belmont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ralph Di Giovanni, M.D.Ophthalmology Physician1053428144
- Marvin Greenbaum, M.D.Ophthalmology Physician1073620472
Verify Keith Jeffrey Mathers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD442987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average ophthalmology physician in 2024
2,024 Medicare Part D claims for 484 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost415 claims
- Lumigan244 claims
- Dorzolamide-Timolol236 claims
- Timolol Maleate170 claims
- Erythromycin99 claims
- Prednisolone Acetate97 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $877.39
39 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Marvin H. Greenbaum, M.D. PCBala Cynwyd, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith Jeffrey Mathers among 1,088 ophthalmology physician records in Pennsylvania
Keith Jeffrey Mathers, M.D. is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 67% of them.
- NPI issued2008 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2006 · median 2000 among the 734 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 ophthalmology physician records list a practice address in Bala Cynwyd
They are 31 of the 794 NPPES records with a practice address in Bala Cynwyd, and 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Bala Cynwyd → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Brandon Ayres, MDBala Cynwyd, PA 190041710985460
- Sylvia Beck, M.D.Bala Cynwyd, PA 190041841263993
- Christine Chung, M.D.Bala Cynwyd, PA 190041134192776
- Jay Federman, M.D.Bala Cynwyd, PA 190041104899186
- David Fischer, MDBala Cynwyd, PA 190041033102298
- Carolyn Glazer-Hockstein, MDBala Cynwyd, PA 190041881694156
- Vipin Goyal, MDBala Cynwyd, PA 190041881690451
- Alfred Lucier, M.D.Bala Cynwyd, PA 190041104899038
Common questions
What is Keith Jeffrey Mathers, M.D.'s NPI number?
Keith Jeffrey Mathers, M.D.'s National Provider Identifier (NPI) is 1295989523, issued on Nov 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Keith Jeffrey Mathers, M.D. located?
The NPPES record lists a practice address at 501 Belmont Ave, Bala Cynwyd, PA, 19004. Phone: (610) 667-4066. Providers update this record themselves, so call before visiting.
How can I verify Keith Jeffrey Mathers, M.D.'s license?
NPPES lists Pennsylvania license number MD442987, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Keith Jeffrey Mathers, M.D. prescribe under Medicare Part D?
In 2024, Keith Jeffrey Mathers, M.D. had 2,024 Medicare Part D claims for 484 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Keith Jeffrey Mathers, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.