Ophthalmology · Ypsilanti, MI
NPI
1952364994
Since 2006
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
5477 W Clark Rd
Ypsilanti, MI, 48197
Phone (734) 434-6000
Groups this clinician bills Medicare through
Medicare paid, 2024
$218K
3,629 services
Medicare patients, 2024
679
Average age 78
Drug cost, 2024
$452K
2,859 prescriptions
Company payments, 2025
$85K
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Gregory J Katz was code 99214 (office e&m - established), 619 times for 299 patients. In total Gregory J Katz billed 3,629 services in 36 codes, and Medicare paid $218K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-07-07.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 619 | 299 | $84.86 | $53K |
| 92250 Angiography | Office | 575 | 554 | $24.77 | $14K |
| 92014 Ophthalmological E&M | Office | 527 | 402 | $79.24 | $42K |
| 92020 Ophthalmological E&M | Office | 345 | 343 | $18.53 | $6,394 |
| 92083 Vision, Hearing, and Speech Services | Office | 338 | 325 | $44.26 | $15K |
| 92133 Computerized Ophthalmic Imaging | Office | 312 | 297 | $24.20 | $7,551 |
| 92134 Computerized Ophthalmic Imaging | Office | 195 | 183 | $26.96 | $5,258 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 159 | 148 | $10.13 | $1,611 |
| 83861 Clinical Chemistry | Office | 149 | 73 | $22.03 | $3,282 |
| 99213 Office E&M - Established | Office | 91 | 61 | $59.01 | $5,370 |
| 92136 Ultrasound - Nonspecific | Office | 58 | 38 | $25.93 | $1,504 |
| 66984 Cataract Surgery | Facility | 50 | 35 | $402.97 | $20K |
| 66821 Cataract Surgery | Office | 45 | 33 | $250.67 | $11K |
| 92201 Ophthalmological E&M | Office | 28 | 26 | $16.49 | $462 |
| 99204 Office E&M - New | Office | 20 | 20 | $116.92 | $2,338 |
By year: 2022 $301K for 4,844 services; 2023 $302K for 5,446 services; 2024 $218K for 3,629 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 83861 Clinical Chemistry | 149 | 73 | $22.03 | $3,282 |
Medicare prescription drug claims, 2024
In 2024, the drug Gregory J Katz prescribed most often to Medicare patients was Latanoprost, with 878 prescriptions and refills. In total Gregory J Katz wrote 2,859 Medicare prescriptions that cost $452K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Latanoprost Generic | 878 | 2,046 | 256 | $20K |
| Timolol Maleate Generic | 256 | 655 | 91 | $4,928 |
| Brimonidine Tartrate Generic | 187 | 462 | 58 | $10K |
| Dorzolamide Hcl Generic | 151 | 379 | 51 | $6,088 |
| Travoprost Generic | 148 | 326 | 43 | $24K |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 144 | 384 | 48 | $5,549 |
| Simbrinza Brinzolamide/Brimonidine Tart | 120 | 256 | 31 | $43K |
| Prednisolone Acetate Generic | 116 | 217 | 77 | $6,606 |
| Rocklatan Netarsudil Mesylat/Latanoprost | 109 | 168 | 21 | $55K |
| Lumigan Bimatoprost | 74 | 142 | 19 | $34K |
| Ketorolac Tromethamine Generic | 70 | 87 | 52 | $1,517 |
| Neomycin-Polymyxin-Dexameth Neomycin/Polymyxin B/Dexametha | 69 | 87 | 58 | $1,007 |
| Restasis Cyclosporine | 64 | 124 | 30 | $70K |
| Brinzolamide Generic | 52 | 119 | 14 | $12K |
| Cyclosporine Generic | 52 | 94 | 24 | $31K |
Brand drugs: 940 claims; generic drugs: 1,919 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Gregory J Katz $85K ($49K in general payments such as food, travel and fees and $36K for research) from 8 companies. The largest payer was New World Medical,Inc. with $36K.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.