David Osuna, MD
Psychiatry Physician · Atascadero, CA
David Osuna, MD is a psychiatry physician with a practice address in Atascadero, California, and NPI 1184923500, issued on Mar 24, 2011. Check the license (California A132688, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Osuna
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A132688 CA
268301 NY
Self-reported in NPPES; status is on the state search - Practice location
- 10333 EL Camino Real, Atascadero, CA 93422
- Phone
- (805) 468-2000
- Enumerated
- Mar 24, 2011
- Record last updated
- Nov 30, 2025
- Medicaid ID
- 04099881 NY
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 10333 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Osuna in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A132688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average psychiatry physician in 2024
221 Medicare Part D claims for 53 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clozapine37 claims
- Divalproex Sodium Er13 claims
- Lithium Carbonate11 claims
- Olanzapine11 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: $23.20
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. 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.
David Osuna among 8,673 psychiatry physician records in California
David Osuna, MD 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 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2025 · 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).
54 psychiatry physician records list a practice address in Atascadero
They are 54 of the 992 NPPES records with a practice address in Atascadero, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Atascadero → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Dugald Chisholm, M.D.Atascadero, CA 934221366472599
- Eric Cohen, MDAtascadero, CA 934221376517391
- David Emelity, MDAtascadero, CA 934221558396291
- Jonathan Funk, M.D.Atascadero, CA 934221083679500
- Sonya Jackson, M.D.Atascadero, CA 934221841275336
- Robin Johnson, M.D.Atascadero, CA 934221821060617
- Marina Marchak, MDAtascadero, CA 934221386684124
- Bella Prestoza, M.DAtascadero, CA 934221871685123
Common questions
What is David Osuna, MD's NPI number?
David Osuna, MD's National Provider Identifier (NPI) is 1184923500, issued on Mar 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is David Osuna, MD located?
The NPPES record lists a practice address at 10333 EL Camino Real, Atascadero, CA, 93422. Phone: (805) 468-2000. Providers update this record themselves, so call before visiting.
How can I verify David Osuna, MD's license?
NPPES lists California license number A132688, 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 David Osuna, MD prescribe under Medicare Part D?
In 2024, David Osuna, MD had 221 Medicare Part D claims for 53 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.