Doctor profile · Federal record

Dr. Subhransu Ray, M.D., PH.D.

Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Ophthalmology Physician · Walnut Creek, CA

  • NPI 1578597878
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
365 Lennon Ln Ste 250
Walnut Creek, CA 945985915
(925) 943-6800
fax (925) 943-6880
Additional location
15051 Hesperian Blvd Ste D
San Leandro, CA 945783536
(510) 317-1111
fax (510) 317-1113
Additional location
2219 Buchanan RD Ste 6
Antioch, CA 945094200
(925) 522-8850
fax (925) 522-8851
Show 1 more location
Additional location
491 30Th St Ste 102
Oakland, CA 946093235
(510) 832-6554
fax (510) 832-3119

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 29, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207WX0107X — NUCC code
State license (1)
California #G86936
Medicaid
CA #00G869360

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578597878. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16,247
Distinct HCPCS
10
Medicare allowed
$2,881,991
HCPCS Description Services Patients Avg allowed
J2777 Injection, faricimab-svoa, 0.1 mg 7,740 40 $36
J0178 Injection, aflibercept, 1 mg 2,126 274 $865
92134 Imaging of retina 1,708 726 $51
67028 Injection of drug into eye 1,155 337 $151
92012 Established patient problem focused exam of visual system 1,087 448 $114
92250 Photography of the retina 891 602 $46
92014 Established patient complete exam of visual system 758 563 $159
99214 Established patient office or other outpatient visit, 30-39 minutes 242 199 $153
92004 New patient complete exam of visual system 214 214 $188
92235 Exam of retinal blood vessels using a special camera after injection of a dye 90 85 $183

In context: peer comparison

Among 4 peers in this city , average services per provider: 1,597. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,431
Transactions
32
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 3 $2,588.80
Genentech USA, Inc. 5 $251.78
Astellas Pharma US Inc 7 $161.09
Apellis Pharmaceuticals, Inc. 4 $120.10
ABBVIE INC. 4 $97.54
Regeneron Healthcare Solutions, Inc. 4 $87.14
Mallinckrodt Hospital Products Inc. 3 $67.43
Alcon Vision LLC 1 $34.39
Alimera Sciences, Inc. 1 $22.98

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$2,500
Food and Beverage
$931

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
238
Patients
152
Total drug cost
$88,999
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 101 75 $5,763
Moxifloxacin (Moxifloxacin Hcl) Brand 50 46 $1,651
Ketorolac Tromethamine Generic 32 20 $1,099
Eylea (Aflibercept) Brand 19 0 $54,493
Brimonidine Tartrate Generic 13 0 $217
Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) Brand 12 11 $104
Vabysmo (Faricimab-Svoa) Brand 11 0 $25,672

Frequently asked questions

Auto-generated from federal data
What is Dr. Subhransu Ray's medical specialty?
Dr. Subhransu Ray practices Retina Specialist (Ophthalmology) Physician in Walnut Creek, CA.
Where does Dr. Subhransu Ray practice?
Dr. Subhransu Ray practices at 365 Lennon Ln Ste 250, Walnut Creek, CA 945985915. Office phone: 9259436800.
What is Dr. Subhransu Ray's NPI?
Dr. Subhransu Ray's National Provider Identifier (NPI) is 1578597878, issued by NPPES.
Does Dr. Subhransu Ray accept Medicare assignment?
Yes. Dr. Subhransu Ray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Subhransu Ray commonly perform?
Top Medicare-reported procedures in 2023: Injection, faricimab-svoa, 0.1 mg (HCPCS J2777); Injection, aflibercept, 1 mg (HCPCS J0178); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.