Markus Guerrero, PA-C
Physician Assistant · Stanford, CA
Markus Guerrero, PA-C is a physician assistant with a practice address in Stanford, California, and NPI 1720744469, issued on Nov 16, 2021. Check the license (California 60590, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Markus Guerrero
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 60590 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Nov 16, 2021
- Entity
- Type 1 · individual
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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Verify Markus Guerrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 60590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
89% fewer Medicare Part D claims than the average physician assistant in 2024
93 Medicare Part D claims for 30 beneficiaries, against an average of 832 among the 95,030 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 Medicare quality score for 2023: 100 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 or facility affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
351 physician assistant records list a Stanford practice address
They are 351 of the 5,606 NPPES records with a Stanford practice address, and 13,861 physician assistant records in California.
All 351 in Stanford → All 13,861 in California → Every provider in Stanford →
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Common questions
What is Markus Guerrero, PA-C's NPI number?
Markus Guerrero, PA-C's National Provider Identifier (NPI) is 1720744469, issued on Nov 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Markus Guerrero, PA-C located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Markus Guerrero, PA-C's license?
NPPES lists California license number 60590, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Markus Guerrero, PA-C prescribe under Medicare Part D?
In 2024, Markus Guerrero, PA-C had 93 Medicare Part D claims for 30 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
What is Markus Guerrero, PA-C's Medicare quality score?
The 2023 MIPS final score is 100 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.