Marcus Sinewe, MD
Emergency Medicine Physician · Palo Alto, CA
Marcus Sinewe, MD is an emergency medicine physician with a practice address in Palo Alto, California, and NPI 1699206664, issued on Mar 22, 2017. Check the license (California A200900, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marcus Sinewe
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A200900 CA
35.147271 OH
0101273419 VA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Palo Alto, CA 94304
- Phone
- (650) 723-4000
- Enumerated
- Mar 22, 2017
- Record last updated
- Jul 31, 2025
- Medicare enrollment
- Enrolled (PECOS I20250411002772); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Alexander, M.D.Psychiatry Physician1740435486
- Monica Allen, PSYDClinical Psychologist1952787749
Verify Marcus Sinewe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A200900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average emergency medicine physician in 2024
62 Medicare Part D claims for 47 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone11 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): 94.6 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).
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Marcus Sinewe among 7,751 emergency medicine physician records in California
Marcus Sinewe, MD is one of 7,751 emergency 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 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Palo Alto → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Terence Ahern, MDPalo Alto, CA 943041104195916
- Christopher Evans, D.O.Palo Alto, CA 943041902227788
- Tonia Fox, MDPalo Alto, CA 943041023050242
- William Johnston, M.D.Palo Alto, CA 943041417366584
- Derrick Lung, MDPalo Alto, CA 943041821259342
- Anne Merritt, M.D.Palo Alto, CA 943041730322967
- Robert Norris, M.D.Palo Alto, CA 943041124177928
- Sabrina Pak, MDPalo Alto, CA 943041548332018
Common questions
What is Marcus Sinewe, MD's NPI number?
Marcus Sinewe, MD's National Provider Identifier (NPI) is 1699206664, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Sinewe, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Palo Alto, CA, 94304. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Marcus Sinewe, MD's license?
NPPES lists California license number A200900, 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 Marcus Sinewe, MD prescribe under Medicare Part D?
In 2024, Marcus Sinewe, MD had 62 Medicare Part D claims for 47 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Marcus Sinewe, MD's MIPS final score?
The 2023 MIPS final score is 94.6 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.