Michael Robert Bastien, MD
Specialist · Westlake Village, CA
Michael Robert Bastien, MD is a specialist with a practice address in Westlake Village, California, and NPI 1053371096, issued on Mar 24, 2006. Check the license (California G68812, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Robert Bastien
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- G68812 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1240 S Westlake Blvd, Westlake Village, CA 91361
- Phone
- (805) 495-0551
- Enumerated
- Mar 24, 2006
- Record last updated
- Aug 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (805) 496-8079
- Medicare enrollment
- Enrolled (PECOS I20110128000328); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 1240 S Westlake Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Randolph Capri, MDSpecialist1750340345
- Gary Carlson, MDSpecialist1144280181
- Judith Feldman, MDDermatology Physician1245295575
- Sherry Fieman, M.D.Neurology Physician1588751879
- Aurelia Gharzuzi Ciuica, FNP-BCFamily Nurse Practitioner1770935389
- Steven Greenman, D.D.S.Dentist1720219876
Verify Michael Robert Bastien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G68812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average specialist in 2024
1,155 Medicare Part D claims for 451 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Mupirocin252 claims
- Betamethasone Dipropionate110 claims
- Doxycycline Hyclate97 claims
- Triamcinolone Acetonide94 claims
- Minoxidil79 claims
- Valacyclovir55 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,291.91
44 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Bills Medicare through one group practice
- Integrated Dermatology OF Westlake Village PCWestlake Village, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Robert Bastien among 5,749 specialist records in California
Michael Robert Bastien, MD is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1985 · median 1989 among the 1,075 with a school on file
- Record last updated2010 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 specialist records list a practice address in Westlake Village
They are 17 of the 1,397 NPPES records with a practice address in Westlake Village, and 5,749 specialist records in California.
All 5,749 in California → Every provider in Westlake Village → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Neeta Ambe-Crain, M.D.Westlake Village, CA 913611093832255
- Randolph Capri, MDWestlake Village, CA 913611750340345
- Gary Carlson, MDWestlake Village, CA 913611144280181
- Glenn Cohen, M.D.Westlake Village, CA 913611881755056
- John Darin, M.D.Westlake Village, CA 913611902801764
- Kenneth Diddie, M.D.Westlake Village, CA 913611184684219
- Rosemary Flores, M.D.Thousand Oaks, CA 913611871593095
- Robert Ghaussy, M.D.Thousand Oaks, CA 913611053311274
Common questions
What is Michael Robert Bastien, MD's NPI number?
Michael Robert Bastien, MD's National Provider Identifier (NPI) is 1053371096, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Robert Bastien, MD located?
The NPPES record lists a practice address at 1240 S Westlake Blvd, Westlake Village, CA, 91361. Phone: (805) 495-0551. Providers update this record themselves, so call before visiting.
How can I verify Michael Robert Bastien, MD's license?
NPPES lists California license number G68812, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Robert Bastien, MD prescribe under Medicare Part D?
In 2024, Michael Robert Bastien, MD had 1,155 Medicare Part D claims for 451 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Michael Robert Bastien, MD's MIPS final score?
The 2023 MIPS final score is 88.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.