Don C. Guiroy, M.D.
Psychiatry Physician · Salinas, CA
Don C. Guiroy, M.D. is a psychiatry physician with a practice address in Salinas, California, and NPI 1629263512, issued on Sep 13, 2007. Check the license (California A63231, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Don C. Guiroy
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A63231 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Constitution Blvd Bldg 400, Salinas, CA 93906
- Phone
- (831) 796-1700
- Enumerated
- Sep 13, 2007
- Record last updated
- Sep 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (831) 769-0552
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1441 Constitution Blvd Bldg 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Griselda Aguilar, MDStudent in an Organized Health Care Education/Training Program1942130430
- Lauren AlbanoCounselor1710240569
- Damaris ArcigaClinical Social Worker1720820814
- Jazmin Arias, DOStudent in an Organized Health Care Education/Training Program1710817150
- Sandra ArriolaSchool Social Worker1831424902
- Jonah Atengco, LVNLicensed Vocational Nurse1750150686
Verify Don C. Guiroy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average psychiatry physician in 2024
291 Medicare Part D claims for 21 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Olanzapine32 claims
- Bupropion Hcl Sr26 claims
- Abilify Maintena22 claims
- Divalproex Sodium20 claims
- Haloperidol14 claims
- Quetiapine Fumarate14 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.
Don C. Guiroy among 8,673 psychiatry physician records in California
Don C. Guiroy, 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Salinas → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Donaldson, D.O.Salinas, CA 939061578517538
- Paul Francisco, M.D.Salinas, CA 939061922161918
- Gary Gibbs, DOSalinas, CA 939061861414070
- Evangelin Guzman, MDSalinas, CA 939061891898995
- Alia Karim, M.D.Salinas, CA 939061023138179
- Christopher Kasparek, M.D.Salinas, CA 939061427188671
- Erika Navarro, MDSalinas, CA 939061114930005
- Jefferson Nelson, M.D.Salinas, CA 939061013950708
Common questions
What is Don C. Guiroy, M.D.'s NPI number?
Don C. Guiroy, M.D.'s National Provider Identifier (NPI) is 1629263512, issued on Sep 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Don C. Guiroy, M.D. located?
The NPPES record lists a practice address at 1441 Constitution Blvd Bldg 400, Salinas, CA, 93906. Phone: (831) 796-1700. Providers update this record themselves, so call before visiting.
How can I verify Don C. Guiroy, M.D.'s license?
NPPES lists California license number A63231, 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 Don C. Guiroy, M.D. prescribe under Medicare Part D?
In 2024, Don C. Guiroy, M.D. had 291 Medicare Part D claims for 21 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.