Gregory F. Zink, O.D.
Optometrist · Fort Wayne, IN
Gregory F. Zink, O.D. is an optometrist with a practice address in Fort Wayne, Indiana, and NPI 1144232794, issued on Aug 12, 2006. Check the license (Indiana 18002715A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory F. Zink
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 18002715A IN
Self-reported in NPPES; status is on the state search - Practice location
- 321 E Wayne St, Fort Wayne, IN 46802
- Phone
- (260) 424-5656
- Enumerated
- Aug 12, 2006
- Record last updated
- Jan 6, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (260) 424-4511
- Medicaid IDs
- 200061280A IN
2904870 OH - Medicare enrollment
- Enrolled (PECOS I20071017000309); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 1994
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,578 in Indiana → Look up another NPI →
Also registered at 321 E Wayne St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James French, O.D.Optometrist1639163710
- Paul Gill, O.D.Optometrist1447262076
- John Parent, M.D.Ophthalmology Physician1275545873
Verify Gregory F. Zink in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 18002715ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average optometrist in 2024
908 Medicare Part D claims for 350 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Latanoprost244 claims
- Dorzolamide-Timolol126 claims
- Prednisolone Acetate66 claims
- Erythromycin58 claims
- Lumigan51 claims
- Brimonidine Tartrate45 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): 93.6 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: $112.89
4 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 34,453 providers of this specialty with any payment received $769.99 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
- Grossnickle Eye Center IncWarsaw, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory F. Zink among 1,578 optometrist records in Indiana
Gregory F. Zink, O.D. is one of 1,578 optometrist records with a practice address in Indiana. 73% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1994 · median 2008 among the 1,014 with a school on file
- Record last updated2011 · 66% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
101 optometrist records list a practice address in Fort Wayne
They are 101 of the 9,203 NPPES records with a practice address in Fort Wayne, and 1,578 optometrist records in Indiana.
All 1,578 in Indiana → Every provider in Fort Wayne → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- James French, O.D.Fort Wayne, IN 468021639163710
- Michelle Frye, ODFort Wayne, IN 468021063610517
- Paul Gill, O.D.Fort Wayne, IN 468021447262076
- Allison Treleaven, O.D.Fort Wayne, IN 468021043766421
- Mona Dewart, O.D.Fort Wayne, IN 468041306844501
- Susan Eggebrecht, ODFort Wayne, IN 468041700857281
- Dale Fath, ODFt Wayne, IN 468041750358347
- Dawn Frederickson, O.D.Fort Wayne, IN 468041760489009
Common questions
What is Gregory F. Zink, O.D.'s NPI number?
Gregory F. Zink, O.D.'s National Provider Identifier (NPI) is 1144232794, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory F. Zink, O.D. located?
The NPPES record lists a practice address at 321 E Wayne St, Fort Wayne, IN, 46802. Phone: (260) 424-5656. Providers update this record themselves, so call before visiting.
How can I verify Gregory F. Zink, O.D.'s license?
NPPES lists Indiana license number 18002715A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory F. Zink, O.D. prescribe under Medicare Part D?
In 2024, Gregory F. Zink, O.D. had 908 Medicare Part D claims for 350 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Gregory F. Zink, O.D.'s MIPS final score?
The 2023 MIPS final score is 93.6 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.