Justin P. Greczek, O.D.
Optometrist · Kennett Square, PA
Justin P. Greczek, O.D. is an optometrist with a practice address in Kennett Square, Pennsylvania, and NPI 1790852291, issued on Nov 29, 2006. Check the license (Pennsylvania OEG001812, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin P. Greczek
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OEG001812 PA
Self-reported in NPPES; status is on the state search - Practice location
- 841 E. Baltimore Pike, Kennett Square, PA 19348
- Phone
- (610) 444-5252
- Enumerated
- Nov 29, 2006
- Record last updated
- Apr 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080701000094); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 2006
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,640 in Pennsylvania → Look up another NPI →
Verify Justin P. Greczek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license OEG001812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average optometrist in 2024
151 Medicare Part D claims for 40 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
- Latanoprost112 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.
Justin P. Greczek among 2,640 optometrist records in Pennsylvania
Justin P. Greczek, O.D. 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
- Graduated2006 · median 2004 among the 1,588 with a school on file
- Record last updated2013 · 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).
12 optometrist records list a practice address in Kennett Square
They are 12 of the 625 NPPES records with a practice address in Kennett Square, and 2,640 optometrist records in Pennsylvania.
All 2,640 in Pennsylvania → Every provider in Kennett Square → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jordan Chilla, ODKennett Square, PA 193481174019962
- Ken Ganly, ODKennett Square, PA 193481609871763
- Gina Glassman, O.D.Kennett Square, PA 193481588990246
- Barry Kanofsky, O.D.Kennett Square, PA 193481083638126
- Carol Anne Luchanko-Ganly, ODKennett Square, PA 193481942205976
- Elizabeth Luscavage, ODKennett Square, PA 193481720977150
- Rosemary McPherson, O.D.Kennett Square, PA 193481134272792
- Jonia Mekel, ODKennett Square, PA 193481508980780
Common questions
What is Justin P. Greczek, O.D.'s NPI number?
Justin P. Greczek, O.D.'s National Provider Identifier (NPI) is 1790852291, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Justin P. Greczek, O.D. located?
The NPPES record lists a practice address at 841 E. Baltimore Pike, Kennett Square, PA, 19348. Phone: (610) 444-5252. Providers update this record themselves, so call before visiting.
How can I verify Justin P. Greczek, O.D.'s license?
NPPES lists Pennsylvania license number OEG001812, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Justin P. Greczek, O.D. prescribe under Medicare Part D?
In 2024, Justin P. Greczek, O.D. had 151 Medicare Part D claims for 40 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.