Subhransu RayM.D., PH.D.
Ophthalmology·Walnut Creek, CA
Subhransu Ray, M.D., PH.D. is an Ophthalmology provider in Walnut Creek, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1578597878
- Registered2006
- Centers2
- StateCA
- Class of1996
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
- San Leandro Surgery Center LTD A California Limited PartnershipSan Leandro, CA · Gastroenterology, Ophthalmology, Pain management · 6 on panelView center →
- Aspen Surgery Center LLC Dba Aspen Surgery CenterWalnut Creek, CA · Gastroenterology, General surgery, Ophthalmology, Plastic surgery, Urology · 30 on panelView center →
Education
Education on record as of August 2026.
Subhransu Ray at a glance
- Provider
- Subhransu Ray
- Credential
- M.D., PH.D.
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Walnut Creek, CA
- Medical school
- Albert Einstein College of Medicine of Yeshiva University
- Graduated
- 1996
- NPI registered
- 2006
- NPI
- 1578597878
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Subhransu Ray practice?
Subhransu Ray, M.D., PH.D. is based in Walnut Creek, CA and is affiliated with 2 ambulatory surgery centers: San Leandro Surgery Center LTD A California Limited Partnership in San Leandro, CA and Aspen Surgery Center LLC Dba Aspen Surgery Center in Walnut Creek, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Subhransu Ray's NPI number?
Subhransu Ray's National Provider Identifier (NPI) is 1578597878, registered in 2006. Specialty on record: Ophthalmology; credential M.D., PH.D.
Where did Subhransu Ray go to medical school?
Subhransu Ray, M.D., PH.D. attended Albert Einstein College of Medicine of Yeshiva University, graduating in 1996.
How many Ophthalmology providers in California work at ambulatory surgery centers?
869 Ophthalmology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Subhransu Ray among them. The California Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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