Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ryan Tsain Marr, OD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1235857525

Dr. Ryan Tsain Marr, OD is an Optometry in San Diego, California. Qualified in 2022, 4 years ago. Practices with Centro De Salud De La Comunidad De San Ysidro, Inc, a 291-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
4
Licensed in
CA
In the registry since
2022
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

San Diego, CA

No coordinates on file. Search this address in Google Maps

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 35302 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1235857525
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedAugust 22, 2022
Last updated in NPPESJune 4, 2025
Certification dateJune 3, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Centro De Salud De La Comunidad De San Ysidro,Inc. — 291 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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