Michael Parnes, MD
Surgery Physician · San Rafael, CA
Michael Parnes, MD is a surgery physician with a practice address in San Rafael, California, and NPI 1619051687, issued on Oct 25, 2006. Check the license (California G84742, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Parnes
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- G84742 CA
Self-reported in NPPES; status is on the state search - Practice location
- 99 Montecillo RD, San Rafael, CA 94903
- Phone
- (415) 444-2000
- Enumerated
- Oct 25, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G847420 CA
- Medicare enrollment
- Enrolled (PECOS I20101115000106); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 99 Montecillo RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Parnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G84742Check 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 surgery physician in 2024
42 Medicare Part D claims for 35 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ibuprofen15 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: $3,687.29
11 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Permanente Medical Group IncSan Rafael, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Parnes among 3,118 surgery physician records in California
Michael Parnes, MD is one of 3,118 surgery physician records with a practice address in California. 75% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1993 · median 2003 among the 1,901 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in San Rafael → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Edward Banks, MDSan Rafael, CA 949031871677856
- Richard GeistSan Rafael, CA 949031245418086
- Mary Mockus, MDSan Rafael, CA 949031134203128
- Kenneth Novich, MDSan Rafael, CA 949031851475826
- Frederick Penczak, MDSan Rafael, CA 949031841379070
- Joe Zimmerman, MDSan Rafael, CA 949031306920376
- John Maa, MDGreenbrae, CA 949041356305866
- Mark Peterson, MDGreenbrae, CA 949041831130863
Common questions
What is Michael Parnes, MD's NPI number?
Michael Parnes, MD's National Provider Identifier (NPI) is 1619051687, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Parnes, MD located?
The NPPES record lists a practice address at 99 Montecillo RD, San Rafael, CA, 94903. Phone: (415) 444-2000. Providers update this record themselves, so call before visiting.
How can I verify Michael Parnes, MD's license?
NPPES lists California license number G84742, 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 Parnes, MD prescribe under Medicare Part D?
In 2024, Michael Parnes, MD had 42 Medicare Part D claims for 35 beneficiaries; the average among surgery physician prescribers was 147. 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.