Doctor profile · Federal record

Dr. Lai-Sung Leung, MD

Ophthalmology Physician (CMS: Ophthalmology) · San Francisco, CA

  • NPI 1316958440
  • Accepts Medicare
  • 56 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
929 Clay St Suite 503
San Francisco, CA 941081500
(415) 986-3215
fax (415) 986-1118

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1970 — 56 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #C35631
Medicaid
CA #00C356310

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316958440. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
322
Distinct HCPCS
8
Medicare allowed
$36,613
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 78 76 $160
92133 Imaging of optic nerve 60 60 $44
99214 Established patient office or other outpatient visit, 30-39 minutes 55 55 $153
92083 Exam of visual field with extended testing 52 52 $81
92004 New patient complete exam of visual system 27 27 $188
92012 Established patient problem focused exam of visual system 21 20 $114
92134 Imaging of retina 16 16 $50
92250 Photography of the retina 13 13 $44

In context: peer comparison

Among 32 peers in this city , average services per provider: 147. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$129
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $128.87

By nature of payment

Food and Beverage
$129

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,194
Patients
595
Total drug cost
$47,090
Drug Type Claims Patients Total cost
Latanoprost Generic 378 116 $11,008
Azelastine Hcl Generic 186 92 $7,121
Prednisolone Acetate Generic 78 52 $2,167
Cephalexin Generic 62 40 $239
Timolol Maleate Generic 62 18 $1,075
Ciprofloxacin Hcl Generic 59 49 $814
Erythromycin (Erythromycin Base) Brand 56 42 $580
Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) Brand 53 46 $484
Diclofenac Sodium Generic 48 43 $574
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 45 12 $786

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lai-Sung Leung's medical specialty?
Dr. Lai-Sung Leung practices Ophthalmology Physician in San Francisco, CA.
Where does Dr. Lai-Sung Leung practice?
Dr. Lai-Sung Leung practices at 929 Clay St Suite 503, San Francisco, CA 941081500. Office phone: 4159863215.
What is Dr. Lai-Sung Leung's NPI?
Dr. Lai-Sung Leung's National Provider Identifier (NPI) is 1316958440, issued by NPPES.
Does Dr. Lai-Sung Leung accept Medicare assignment?
Yes. Dr. Lai-Sung Leung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lai-Sung Leung commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Imaging of optic nerve (HCPCS 92133); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.