Doctor profile · Federal record
Dr. Barry Fung, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Los Altos, CA
- NPI 1225079205
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4906 El Camino Real, Ste B
Los Altos, CA 940221449
(650) 967-7834 - Mailing address
-
2449 S King RD, Ste 10
San Jose, CA 951221811
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 10, 2016
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #A70770
- Medicaid
- CA #7180235
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225079205. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,492
Distinct HCPCS
10
Medicare allowed
$605,165
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92012 |
Established patient problem focused exam of visual system | 1,643 | 745 | $115 | |
92133 |
Imaging of optic nerve | 584 | 537 | $42 | |
92083 |
Exam of visual field with extended testing | 581 | 542 | $82 | |
92201 |
Extended exam of the back part of the eye with retinal drawing | 532 | 459 | $30 | |
92134 |
Imaging of retina | 528 | 449 | $51 | |
68801 |
Dilation of tear drainage opening | 436 | 135 | $54 | |
92250 |
Photography of the retina | 435 | 414 | $47 | |
92020 |
Exam of the internal drainage system of eye | 369 | 342 | $34 | |
68761 |
Closure of tear duct opening using plug | 351 | 96 | $128 | |
76514 |
Ultrasound scan of cornea to determine thickness | 192 | 183 | $14 |
In context: peer comparison
Among 4 peers in Los Altos Ophthalmology Physician, average services per provider: 309. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$19
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Oyster Point Pharma, INC. | 1 | $19.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,293
Patients
1,553
Total drug cost
$767,873
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 704 | 208 | $22,582 |
| Restasis (Cyclosporine) | Brand | 327 | 116 | $446,871 |
| Prednisolone Acetate | Generic | 280 | 214 | $15,226 |
| Timolol Maleate | Generic | 257 | 83 | $25,978 |
| Erythromycin (Erythromycin Base) | Brand | 211 | 84 | $4,819 |
| Brimonidine Tartrate | Generic | 207 | 109 | $23,218 |
| Acetazolamide | Generic | 202 | 160 | $6,436 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 183 | 148 | $7,742 |
| Alphagan P (Brimonidine Tartrate) | Brand | 182 | 86 | $90,800 |
| Travoprost | Generic | 149 | 46 | $40,350 |
Frequently asked questions
What is Dr. Barry Fung's medical specialty?
Dr. Barry Fung practices Ophthalmology Physician in Los Altos, CA.
Where does Dr. Barry Fung practice?
Dr. Barry Fung practices at 4906 El Camino Real, Los Altos, CA 940221449. Office phone: 6509677834.
What is Dr. Barry Fung's NPI?
Dr. Barry Fung's National Provider Identifier (NPI) is 1225079205, issued by NPPES.
Does Dr. Barry Fung accept Medicare assignment?
Yes. Dr. Barry Fung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barry Fung commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Imaging of optic nerve (HCPCS 92133); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.