Gregory J. Katz, M.D.
NPI 1952364994ActiveIndividual· Ophthalmology· Ypsilanti, MI
Ophthalmology (M.D.) with Blue Sky Vision Eye Care PC, practicing in Ypsilanti, Michigan. Their prescriptions cost Medicare Part D more than their services did: $451,775 for 2,859 claims, against $217,799 paid for services in 2024. Alcon Vision LLC was the largest of 8 companies reporting payments in 2025, $48,874 in all, mostly speaking and faculty fees.
Overview
| NPI | 1952364994 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 10, 2006 |
| Last updated in NPPES | Jul 7, 2020 |
| Certified by provider | Jul 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 4301061066 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 679 |
|---|---|
| Services billed | 3,629 across 36 procedure codes |
| Paid by Medicare | $217,799 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,859 · 6,203 30-day fills |
|---|---|
| Patients | 596 |
| Total drug cost | $451,775 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Blue Sky Vision Eye Care PCHolland, MI · 51 clinicians
Industry payments (Open Payments)
- 2025$48,874 · 93 payments from 8 companies
- 2024$45,151 · 86 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $26,159 | 43 |
| Bausch & Lomb Americas Inc. | $19,005 | 22 |
| Sun Pharmaceutical Industries Inc. | $2,331 | 5 |
| New World Medical,inc. | $639.61 | 11 |
| Glaukos Corporation | $449.93 | 4 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$18,500 · 3 payments
- Compensation for serving as faculty or as a speaker for a medical education program$17,638 · 4 payments
- Consulting Fee$6,750 · 5 payments
- Food and Beverage$3,371 · 60 payments
- Travel and Lodging$2,616 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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