Marissa A. Boeck, M.D.
Surgical Critical Care Physician · San Francisco, CA
Marissa A. Boeck, M.D. is a surgical critical care physician with a practice address in San Francisco, California, and NPI 1003108531, issued on May 2, 2011. Check the license (California A154281, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marissa A. Boeck
- Credential
- M.D.
- Primary taxonomy
- Surgical Critical Care Physician 2086S0102X
- License number
- A154281 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 353-2161
- Enumerated
- May 2, 2011
- Record last updated
- Sep 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190625002886); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2011
- Entity
- Type 1 · individual
8 nearest surgical critical care physician records → All 160 in California → Look up another NPI →
Also registered at 400 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abele, DPTPhysical Therapist1851648133
- Ian Adatia, MB CHBPediatric Cardiology Physician1427085299
- Daniel Adelman, M.D.Internal Medicine Physician1922041821
- Joshua Adler, MDInternal Medicine Physician1194781351
- Justin Ahn, M.D.Urology Physician1063755148
- Weiyun Ai, MDMedical Oncology Physician1649346842
Verify Marissa A. Boeck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average surgical critical care physician in 2024
15 Medicare Part D claims, against an average of 64 among the 606 providers of this specialty who prescribed in Part D.
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): 91.9 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).
Bills Medicare through 2 group practices
- Ucsf Dept OF SurgerySan Francisco, CA
- University OF California Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa A. Boeck among 160 surgical critical care physician records in California
Marissa A. Boeck, M.D. is one of 160 surgical critical care physician records with a practice address in California. 90% 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 56% of them.
- NPI issued2011 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2011 · median 2009 among the 127 with a school on file
- Record last updated2020 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Critical Care Physician providers in California
There are 160 surgical critical care physician records in California.
All 160 in California → Every provider in San Francisco → Surgical Critical Care Physician nationwide →
The 8 surgical critical care physician records with the nearest ZIP codes
- Woon Cho KimSan Francisco, CA 941431306256516
- April Mendoza, M.D,San Francisco, CA 941431922267988
- Stas AmatoSan Francisco, CA 941101013448695
- Timothy Browder, M.D.San Francisco, CA 941101710965462
- Michael Farrell, MDSan Francisco, CA 941101710307855
- Arthur Hill, MDSan Francisco, CA 941101184682486
- William Schecter, MDSan Francisco, CA 941101679528327
- Paul Maggio, MDPalo Alto, CA 943041093816001
Common questions
What is Marissa A. Boeck, M.D.'s NPI number?
Marissa A. Boeck, M.D.'s National Provider Identifier (NPI) is 1003108531, issued on May 2, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Marissa A. Boeck, M.D. located?
The NPPES record lists a practice address at 400 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-2161. Providers update this record themselves, so call before visiting.
How can I verify Marissa A. Boeck, M.D.'s license?
NPPES lists California license number A154281, 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 Marissa A. Boeck, M.D. prescribe under Medicare Part D?
In 2024, Marissa A. Boeck, M.D. had 15 Medicare Part D claims; the average among surgical critical care physician prescribers was 64. Part D covers Medicare prescriptions only.
What is Marissa A. Boeck, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 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.