Doctor profile · Federal record
Dr. Loh-Shan Leung, MD
Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Ophthalmology Physician · Ophthalmology Physician · Stanford, CA
- NPI 1639330772
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 21 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
2452 Watson CT
Palo Alto, CA 943033216
(650) 721-6888
fax (888) 818-0798 - Mailing address
-
2452 Watson CT
Palo Alto, CA 943033216
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- April 4, 2024
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207WX0107X — NUCC code
- State licenses (2)
- California #A109299 · New York #241716
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639330772. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,119
Distinct HCPCS
8
Medicare allowed
$79,115
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92134 |
Imaging of retina | 465 | 241 | $30 | |
92014 |
Established patient complete exam of visual system | 243 | 186 | $91 | |
67028 |
Injection of drug into eye | 218 | 48 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 67 | 55 | $113 | |
92083 |
Exam of visual field with extended testing | 40 | 39 | $32 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $153 | |
92274 |
Measurement of retinal and optic nerve function targeting multiple separate locations | 29 | 29 | $40 | |
92273 |
Measurement of retinal and optic nerve function | 26 | 26 | $44 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 223. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$24
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Regeneron Pharmaceuticals, Inc. | 1 | $23.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
17
Patients
0
Total drug cost
$511
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azelastine Hcl | Generic | 17 | 0 | $511 |
Hospital affiliations
Frequently asked questions
What is Dr. Loh-Shan Leung's medical specialty?
Dr. Loh-Shan Leung practices Retina Specialist (Ophthalmology) Physician in Stanford, CA.
Where does Dr. Loh-Shan Leung practice?
Dr. Loh-Shan Leung practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Loh-Shan Leung's NPI?
Dr. Loh-Shan Leung's National Provider Identifier (NPI) is 1639330772, issued by NPPES.
Does Dr. Loh-Shan Leung accept Medicare assignment?
Yes. Dr. Loh-Shan Leung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Loh-Shan Leung commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Established patient complete exam of visual system (HCPCS 92014); Injection of drug into eye (HCPCS 67028). Source: CMS Medicare Physician & Other Practitioners file.