Mike Oulashian, M.D.
Family Medicine Physician · Thousand Oaks, CA
Mike Oulashian, M.D. is a family medicine physician with a practice address in Thousand Oaks, California, and NPI 1164694212, issued on Mar 28, 2008. Check the license (California A112776, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mike Oulashian
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A112776 CA
Self-reported in NPPES; status is on the state search - Practice location
- 248 Hampshire RD Ste 100, Thousand Oaks, CA 91361
- Phone
- (805) 370-0040
- Enumerated
- Mar 28, 2008
- Record last updated
- May 7, 2024
- Medicare enrollment
- Enrolled (PECOS I20230210000994); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 248 Hampshire RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mike Oulashian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A112776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average family medicine physician in 2024
1,009 Medicare Part D claims for 636 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Prednisone100 claims
- Albuterol Sulfate Hfa88 claims
- Cephalexin86 claims
- Amoxicillin-Clavulanate Potass84 claims
- Azithromycin72 claims
- Fluticasone Propionate69 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 2 group practices
- Sansum ClinicSanta Barbara, CA
- The Regents OF The University OF CaliforniaThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mike Oulashian among 17,133 family medicine physician records in California
Mike Oulashian, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 family medicine physician records list a practice address in Thousand Oaks
They are 39 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Thousand Oaks → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Irina Feldman, M.D.Thousand Oaks, CA 913611417919721
- Alicia Guevara, M.D.Thousand Oaks, CA 913611629295217
- David Gunn, MDWestlake Village, CA 913611215163035
- Bader Iqbal, M.D.Thousand Oaks, CA 913611346254364
- Chelsey Kahanowitch, D.O.Westlake Village, CA 913611750743530
- Razmig Krumian, D.O.Westlake Village, CA 913611720064462
- Darrick Lee, D.O.Westlake Village, CA 913611811424682
- Amy Lin, M.D.Westlake Village, CA 913611770511081
Common questions
What is Mike Oulashian, M.D.'s NPI number?
Mike Oulashian, M.D.'s National Provider Identifier (NPI) is 1164694212, issued on Mar 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mike Oulashian, M.D. located?
The NPPES record lists a practice address at 248 Hampshire RD Ste 100, Thousand Oaks, CA, 91361. Phone: (805) 370-0040. Providers update this record themselves, so call before visiting.
How can I verify Mike Oulashian, M.D.'s license?
NPPES lists California license number A112776, 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 Mike Oulashian, M.D. prescribe under Medicare Part D?
In 2024, Mike Oulashian, M.D. had 1,009 Medicare Part D claims for 636 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.