Ophthalmology · Worcester, MA
NPI
1689666745
Since 2005
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
33 Lancaster St
Worcester, MA, 01609
Phone (508) 791-8484
Groups this clinician bills Medicare through
Medicare paid, 2024
$233K
3,357 services
Medicare patients, 2024
746
Average age 78
Drug cost, 2024
$642K
6,293 prescriptions
Company payments, 2025
$79.4
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Peter T Zacharia was code 99213 (office e&m - established), 1,031 times for 518 patients. In total Peter T Zacharia billed 3,357 services in 30 codes, and Medicare paid $233K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-12-01.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 1,031 | 518 | $63.28 | $65K |
| 92083 Vision, Hearing, and Speech Services | Office | 455 | 402 | $45.79 | $21K |
| 92133 Computerized Ophthalmic Imaging | Office | 430 | 387 | $26.40 | $11K |
| 92014 Ophthalmological E&M | Office | 414 | 411 | $83.57 | $35K |
| 99214 Office E&M - Established | Office | 248 | 200 | $90.05 | $22K |
| 92250 Angiography | Office | 219 | 218 | $25.17 | $5,511 |
| 92134 Computerized Ophthalmic Imaging | Office | 112 | 101 | $29.80 | $3,338 |
| 92020 Ophthalmological E&M | Office | 109 | 105 | $20.67 | $2,253 |
| 92136 Ultrasound - Nonspecific | Office | 85 | 71 | $26.79 | $2,277 |
| 99204 Office E&M - New | Office | 68 | 68 | $117.30 | $7,976 |
| 66984 Cataract Surgery | Facility | 50 | 45 | $414.19 | $21K |
| 76514 Ultrasound - Nonspecific | Office | 35 | 35 | $8.53 | $299 |
| 66821 Cataract Surgery | Office | 24 | 24 | $264.56 | $6,349 |
| 66991 Cataract Surgery | Facility | 21 | 19 | $553.37 | $12K |
| 65855 Fluid Flow and Drainage of Eye (Any Method) | Office | 12 | 11 | $153.10 | $1,837 |
By year: 2022 $274K for 3,775 services; 2023 $264K for 3,568 services; 2024 $233K for 3,357 services.
Medicare prescription drug claims, 2024
In 2024, the drug Peter T Zacharia prescribed most often to Medicare patients was Latanoprost, with 1,620 prescriptions and refills. In total Peter T Zacharia wrote 6,293 Medicare prescriptions that cost $642K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Latanoprost Generic | 1,620 | 4,172 | 541 | $27K |
| Brimonidine Tartrate Generic | 763 | 1,793 | 245 | $32K |
| Timolol Maleate Generic | 713 | 1,872 | 237 | $9,070 |
| Dorzolamide Hcl Generic | 624 | 1,418 | 181 | $15K |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 580 | 1,336 | 152 | $11K |
| Prednisolone Acetate Generic | 312 | 430 | 189 | $16K |
| Pilocarpine Hcl Generic | 295 | 757 | 96 | $22K |
| Ketorolac Tromethamine Generic | 201 | 245 | 139 | $2,331 |
| Rhopressa Netarsudil Mesylate | 188 | 379 | 66 | $124K |
| Ofloxacin Generic | 155 | 158 | 130 | $1,622 |
| Brinzolamide Generic | 145 | 283 | 39 | $37K |
| Rocklatan Netarsudil Mesylat/Latanoprost | 122 | 251 | 45 | $78K |
| Simbrinza Brinzolamide/Brimonidine Tart | 60 | 112 | 16 | $22K |
| Acetazolamide Er Acetazolamide | 53 | 103 | 17 | $1,588 |
| Phospholine Iodide Echothiophate Iodide | 47 | 47 | Under 11 | $123K |
Brand drugs: 1,406 claims; generic drugs: 4,887 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Peter T Zacharia $79.4 ($79.4 in general payments such as food, travel and fees) from 2 companies. The largest payer was Glaukos Corporation with $46.18.
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.