Sean Michael Ryan, M.D.
Psychiatry Physician · La Jolla, CA
Sean Michael Ryan, M.D. is a psychiatry physician with a practice address in La Jolla, California, and NPI 1821031261, issued on Jun 14, 2006. Check the license (California A75120, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sean Michael Ryan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A75120 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9850 Genesee Ave, La Jolla, CA 92037
- Phone
- (858) 622-0622
- Enumerated
- Jun 14, 2006
- Record last updated
- Oct 22, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (858) 558-0250
- Medicaid ID
- 00A751200 CA
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 9850 Genesee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sean Michael Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A75120Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average psychiatry physician in 2024
191 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Risperidone23 claims
- Aripiprazole12 claims
- Fluticasone Propionate12 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.
Industry payments in 2024: $196.69
4 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sean Michael Ryan among 8,673 psychiatry physician records in California
Sean Michael Ryan, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
90 psychiatry physician records list a practice address in La Jolla
They are 90 of the 3,648 NPPES records with a practice address in La Jolla, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in La Jolla → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jason Bennett, M.D.La Jolla, CA 920371346211208
- Claudio Demb, M.D.La Jolla, CA 920371730174921
- Katharine Dixon, MDLa Jolla, CA 920371598705469
- Deirdre Elliott, MDLa Jolla, CA 920371760496145
- Charles Ettari, M.D.La Jolla, CA 920371629096631
- Sonya Hintz, M.D.La Jolla, CA 920371790774446
- Charles Hollingsworth, MDLa Jolla, CA 920371992720098
- Shashita Inamdar, M.D., PH.D, DABPNLa Jolla, CA 920371003861139
Common questions
What is Sean Michael Ryan, M.D.'s NPI number?
Sean Michael Ryan, M.D.'s National Provider Identifier (NPI) is 1821031261, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sean Michael Ryan, M.D. located?
The NPPES record lists a practice address at 9850 Genesee Ave, La Jolla, CA, 92037. Phone: (858) 622-0622. Providers update this record themselves, so call before visiting.
How can I verify Sean Michael Ryan, M.D.'s license?
NPPES lists California license number A75120, 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 Sean Michael Ryan, M.D. prescribe under Medicare Part D?
In 2024, Sean Michael Ryan, M.D. had 191 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.