Doctor profile · Federal record
Dr. Michael Drinnan, MD
Ophthalmology Physician (CMS: Ophthalmology) · San Mateo, CA
- NPI 1609883024
- Accepts Medicare
- MIPS 73.7 / 100 · 2023
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 S San Mateo Dr, Suite 310
San Mateo, CA 944013819
(650) 342-7474
fax (650) 342-9260
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- October 23, 2007
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #G50381
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609883024. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,186
Distinct HCPCS
10
Medicare allowed
$215,542
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 378 | 341 | $157 | |
92136 |
Measurement of corneal curvature and depth of eye | 187 | 143 | $54 | |
92012 |
Established patient problem focused exam of visual system | 144 | 127 | $112 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 88 | 63 | $645 | |
92083 |
Exam of visual field with extended testing | 71 | 70 | $80 | |
92133 |
Imaging of optic nerve | 63 | 62 | $41 | |
92004 |
New patient complete exam of visual system | 52 | 52 | $185 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 50 | 50 | $75 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 46 | 37 | $397 | |
92250 |
Photography of the retina | 41 | 41 | $46 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 196. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$76
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Johnson & Johnson Surgical Vision, Inc. | 2 | $53.43 | |
| Sight Sciences, Inc. | 1 | $22.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
251
Patients
83
Total drug cost
$9,533
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 146 | 36 | $3,798 |
| Timolol Maleate | Generic | 50 | 31 | $918 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 26 | 0 | $1,356 |
| Prednisolone Acetate | Generic | 18 | 16 | $882 |
| Travoprost | Generic | 11 | 0 | $2,579 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Drinnan's medical specialty?
Dr. Michael Drinnan practices Ophthalmology Physician in San Mateo, CA.
Where does Dr. Michael Drinnan practice?
Dr. Michael Drinnan practices at 101 S San Mateo Dr, San Mateo, CA 944013819. Office phone: 6503427474.
What is Dr. Michael Drinnan's NPI?
Dr. Michael Drinnan's National Provider Identifier (NPI) is 1609883024, issued by NPPES.
Does Dr. Michael Drinnan accept Medicare assignment?
Yes. Dr. Michael Drinnan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Drinnan commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Measurement of corneal curvature and depth of eye (HCPCS 92136); Established patient problem focused exam of visual system (HCPCS 92012). Source: CMS Medicare Physician & Other Practitioners file.