Ophthalmology · Vacaville, CA
NPI
1649358474
Since 2006
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
1 Quality Dr
Vacaville, CA, 95688
Phone (707) 453-5000
Groups this clinician bills Medicare through
Medicare paid, 2024
$4,063
43 services
Medicare patients, 2024
21
Average age 67
Drug cost, 2024
$183K
2,397 prescriptions
Company payments, 2025
$123
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Jonathan I Diamant was code 99213 (office e&m - established), 22 times for 14 patients. In total Jonathan I Diamant billed 43 services in 12 codes, and Medicare paid $4,063.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-12-13.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 22 | 14 | $59.38 | $1,306 |
By year: 2022 $4,891 for 48 services; 2023 $6,675 for 55 services; 2024 $4,063 for 43 services.
Medicare prescription drug claims, 2024
In 2024, the drug Jonathan I Diamant prescribed most often to Medicare patients was Prednisolone Acetate, with 553 prescriptions and refills. In total Jonathan I Diamant wrote 2,397 Medicare prescriptions that cost $183K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisolone Acetate Generic | 553 | 1,312 | 248 | $41K |
| Latanoprost Generic | 360 | 1,051 | 141 | $5,158 |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 213 | 654 | 69 | $5,207 |
| Brimonidine Tartrate Generic | 173 | 512 | 62 | $2,848 |
| Fluorometholone Generic | 169 | 451 | 59 | $33K |
| Valacyclovir Valacyclovir Hcl | 103 | 214 | 30 | $8,545 |
| Timolol Maleate Generic | 87 | 238 | 32 | $1,811 |
| Cyclosporine Generic | 76 | 86 | 17 | $7,820 |
| Dorzolamide Hcl Generic | 61 | 184 | 21 | $1,452 |
| Diclofenac Sodium Generic | 60 | 102 | 36 | $1,364 |
| Moxifloxacin Moxifloxacin Hcl | 51 | 57 | 32 | $682 |
| Methotrexate Methotrexate Sodium | 36 | 104 | Under 11 | $863 |
| Polymyxin B Sul-Trimethoprim Polymyxin B Sulf/Trimethoprim | 36 | 76 | 23 | $519 |
| Zirgan Ganciclovir | 33 | 41 | 11 | $26K |
| Erythromycin Erythromycin Base | 32 | 32 | Under 11 | $627 |
Brand drugs: - claims; generic drugs: 1,634 claims; opioid claims: 20.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Jonathan I Diamant $123 ($123 in general payments such as food, travel and fees) from 1 company. The largest payer was Alcon Vision LLC with $123.
| Company | Payments | Amount |
|---|---|---|
| Alcon Vision LLC ALC | 1 | $123 |
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.