Michael J. Dorsi, MD
Neurological Surgery Physician · Thousand Oaks, CA
Michael J. Dorsi, MD is a neurological surgery physician with a practice address in Thousand Oaks, California, and NPI 1942355854, issued on Jan 24, 2007. Check the license (California A116011, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael J. Dorsi
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- A116011 CA
P19058 MD
Self-reported in NPPES; status is on the state search - Practice location
- 100 Moody CT Ste 200, Thousand Oaks, CA 91360
- Phone
- (310) 319-3475
- Enumerated
- Jan 24, 2007
- Record last updated
- Sep 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- FB434Z CA
- Medicare enrollment
- Enrolled (PECOS I20110627000325); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 100 Moody CT Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jose-Nitram Aliling, M.D.Internal Medicine Physician1912177759
- Jennifer Arussi, MS, RDNRegistered Dietitian1114329281
- Lauren Beshay, MDEndocrinology, Diabetes & Metabolism Physician1073010757
- Roy Bryan, M.D.Diagnostic Radiology Physician1396021648
- Oliver Gantz, M.D.Otolaryngology Physician1952758260
Verify Michael J. Dorsi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average neurological surgery physician in 2024
11 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 72.2 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: $98,830.21
260 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 5,377 providers of this specialty with any payment received $14,925.58 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
- The Regents OF The University OF CaliforniaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
Other neurological surgery physician records in California
- Mohamad Abbass, MDStanford, CA1679492151
- Samy Abdou, MDSan Diego, CA1215085006
- Kumar Abhinav, BSC MBBS, FRCS(SN)Stanford, CA1003331000
- Moustapha Abou-Samra, MDVentura, CA1194719807
- Bret Abshire, M.D.Murrieta, CA1992741912
- Deyaaldeen Abu Reesh, MDPalo Alto, CA1073201521
- Imad Abumeri, M.D.Bakersfield, CA1295732980
- Achal Achrol, M.D.Loma Linda, CA1275783276
- Geoffrey Adey, MDWalnut Creek, CA1447362520
- John Adler, MDStanford, CA1780736199
Common questions
What is Michael J. Dorsi, MD's NPI number?
Michael J. Dorsi, MD's National Provider Identifier (NPI) is 1942355854, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Dorsi, MD located?
The NPPES record lists a practice address at 100 Moody CT Ste 200, Thousand Oaks, CA, 91360. Phone: (310) 319-3475. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Dorsi, MD's license?
NPPES lists California license number A116011, 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 Michael J. Dorsi, MD prescribe under Medicare Part D?
In 2024, Michael J. Dorsi, MD had 11 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
What is Michael J. Dorsi, MD's MIPS final score?
The 2023 MIPS final score is 72.2 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.