Doctor profile · Federal record
Dr. Robert Mastman, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · San Jose, CA
- NPI 1386683191
- Accepts Medicare
- MIPS 83.7 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2577 Samaritan Dr, Suite 740
San Jose, CA 951244100
(408) 358-2029
fax (408) 356-5873 - Mailing address
-
10300 S de Anza Blvd
Cupertino, CA 950143030
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 23, 2011
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #A37122
- Medicaid
- CA #00A371220
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386683191. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,013
Distinct HCPCS
10
Medicare allowed
$345,661
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 776 | 672 | $156 | |
92012 |
Established patient problem focused exam of visual system | 617 | 403 | $117 | |
92134 |
Imaging of retina | 346 | 340 | $51 | |
92250 |
Photography of the retina | 299 | 298 | $48 | |
92083 |
Exam of visual field with extended testing | 275 | 271 | $83 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 190 | 190 | $200 | |
92133 |
Imaging of optic nerve | 179 | 178 | $44 | |
92014 |
Established patient complete exam of visual system | 132 | 129 | $163 | |
92002 |
New patient problem focused exam of visual system | 61 | 61 | $112 | |
92004 |
New patient complete exam of visual system | 46 | 46 | $192 |
In context: peer comparison
Among 16 peers in this city , average services per provider: 213. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$405
Transactions
18
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| SUN PHARMACEUTICAL INDUSTRIES INC. | 5 | $109.21 | |
| Bausch & Lomb Americas Inc. | 4 | $82.47 | |
| Alcon Vision LLC | 2 | $62.88 | |
| Oyster Point Pharma, Inc. | 2 | $40.40 | |
| Tarsus Pharmaceuticals, Inc. | 2 | $39.93 | |
| ABBVIE INC. | 1 | $25.48 | |
| Thea Pharma Inc. | 1 | $23.36 | |
| Optos, Inc. | 1 | $21.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
971
Patients
383
Total drug cost
$119,437
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 413 | 128 | $10,122 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 158 | 118 | $2,178 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 61 | 17 | $1,677 |
| Lumigan (Bimatoprost) | Brand | 41 | 15 | $23,616 |
| Brimonidine Tartrate | Generic | 40 | 14 | $1,015 |
| Timolol Maleate | Generic | 40 | 13 | $1,478 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 34 | 32 | $2,036 |
| Restasis (Cyclosporine) | Brand | 33 | 15 | $41,171 |
| Dorzolamide Hcl | Generic | 28 | 0 | $585 |
| Simbrinza (Brinzolamide/Brimonidine Tart) | Brand | 28 | 11 | $10,580 |
Frequently asked questions
What is Dr. Robert Mastman's medical specialty?
Dr. Robert Mastman practices Ophthalmology Physician in San Jose, CA.
Where does Dr. Robert Mastman practice?
Dr. Robert Mastman practices at 2577 Samaritan Dr, San Jose, CA 951244100. Office phone: 4083582029.
What is Dr. Robert Mastman's NPI?
Dr. Robert Mastman's National Provider Identifier (NPI) is 1386683191, issued by NPPES.
Does Dr. Robert Mastman accept Medicare assignment?
Yes. Dr. Robert Mastman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Mastman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient problem focused exam of visual system (HCPCS 92012); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.