Ryan Michael St.clair, M.D.
Ophthalmology Physician · Santa Cruz, CA
Ryan Michael St.clair, M.D. is an ophthalmology physician with a practice address in Santa Cruz, California, and NPI 1922234129, issued on Jun 2, 2009. Check the license (California A126217, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Michael St.clair
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A126217 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2025 Soquel Ave, Santa Cruz, CA 95062
- Phone
- (831) 458-5640
- Enumerated
- Jun 2, 2009
- Record last updated
- Mar 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130727000131); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 2025 Soquel Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan Michael St.clair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average ophthalmology physician in 2024
2,092 Medicare Part D claims for 464 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Latanoprost724 claims
- Prednisolone Acetate424 claims
- Moxifloxacin251 claims
- Ketorolac Tromethamine248 claims
- Timolol Maleate120 claims
- Dorzolamide-Timolol68 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSanta Cruez, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Michael St.clair among 2,899 ophthalmology physician records in California
Ryan Michael St.clair, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 72% of them.
- NPI issued2009 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2001 among the 1,907 with a school on file
- Record last updated2016 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Santa Cruz → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Joshua Babad, M.D.Santa Cruz, CA 950621902801939
- Robert Jones, M.D.Santa Cruz, CA 950621881738128
- Anna Kesler-Diaz, MDSanta Cruz, CA 950621477767648
- Jason Luksich, MDSanta Cruz, CA 950621225110810
- Robert RosenSanta Cruz, CA 950621093785123
- Harvey Halperin, MDSanta Cruz, CA 950601659457166
- Craig Blackwell, MDSanta Cruz, CA 950651326041195
- Rex Hsei, MDSanta Cruz, CA 950651285637157
Common questions
What is Ryan Michael St.clair, M.D.'s NPI number?
Ryan Michael St.clair, M.D.'s National Provider Identifier (NPI) is 1922234129, issued on Jun 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Michael St.clair, M.D. located?
The NPPES record lists a practice address at 2025 Soquel Ave, Santa Cruz, CA, 95062. Phone: (831) 458-5640. Providers update this record themselves, so call before visiting.
How can I verify Ryan Michael St.clair, M.D.'s license?
NPPES lists California license number A126217, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Michael St.clair, M.D. prescribe under Medicare Part D?
In 2024, Ryan Michael St.clair, M.D. had 2,092 Medicare Part D claims for 464 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.