Mary B. Okoren, OD
Optometrist · Willow Grove, PA
Mary B. Okoren, OD is an optometrist with a practice address in Willow Grove, Pennsylvania, and NPI 1396752465, issued on Aug 2, 2006. Check the license (Pennsylvania OEG000124, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary B. Okoren
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OEG000124 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2300 Computer Avenue, Willow Grove, PA 19090
- Phone
- (215) 659-1155
- Enumerated
- Aug 2, 2006
- Record last updated
- Jun 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (215) 659-1178
- Medicaid ID
- 101002165-0001 PA
- Medicare enrollment
- Enrolled (PECOS I20040802000516); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1999
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,640 in Pennsylvania → Look up another NPI →
Also registered at 2300 Computer Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Starner, L.M.F.T.Marriage & Family Therapist1952737009
Verify Mary B. Okoren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license OEG000124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average optometrist in 2024
373 Medicare Part D claims for 49 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Latanoprost131 claims
- Timolol Maleate114 claims
- Brimonidine Tartrate50 claims
- Dorzolamide Hcl31 claims
- Dorzolamide-Timolol17 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.
Mary B. Okoren among 2,640 optometrist records in Pennsylvania
Mary B. Okoren, OD is one of 2,640 optometrist records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 48% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2004 among the 1,588 with a school on file
- Record last updated2009 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Pennsylvania
There are 2,640 optometrist records in Pennsylvania.
All 2,640 in Pennsylvania → Every provider in Willow Grove → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Ranga Fernando, O.D.Willow Grove, PA 190901497710032
- Christina HarchuskaWillow Grove, PA 190901841604568
- Tuongvi PhamWillow Grove, PA 190901245668540
- Sabrina Sherman, ODWillow Grove, PA 190901073138251
- Barbara Andree, O.D.Wayne, PA 190871891898839
- Leslie Brodsky, OD, FAAQWayne, PA 190871922088590
- Ioan Ciocotisan, OPTOMETRISTRadnor, PA 190871043864283
- Denise Cover-Miller, O.D.Wayne, PA 190871902865751
Common questions
What is Mary B. Okoren, OD's NPI number?
Mary B. Okoren, OD's National Provider Identifier (NPI) is 1396752465, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary B. Okoren, OD located?
The NPPES record lists a practice address at 2300 Computer Avenue, Willow Grove, PA, 19090. Phone: (215) 659-1155. Providers update this record themselves, so call before visiting.
How can I verify Mary B. Okoren, OD's license?
NPPES lists Pennsylvania license number OEG000124, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Mary B. Okoren, OD prescribe under Medicare Part D?
In 2024, Mary B. Okoren, OD had 373 Medicare Part D claims for 49 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
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.