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

Ryan Keenan, OD

Individual provider Optometrist · NPI 1568196822

Ryan Keenan, OD is an Optometry in Stanford, California. Qualified in 2022, 4 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
4
Licensed in
CA
In the registry since
2022
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

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1200 W Godfrey Ave, Philadelphia, PA 19141-3323 — (215) 276-6000

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 35832T (CA)

Record details

NPI number1568196822
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 13, 2022
Last updated in NPPESOctober 31, 2024
Certification dateOctober 25, 2024
Mailing address300 Pasteur Dr, Stanford, CA 94305

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 Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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