Justin Belza, FNP-C
Nurse Practitioner · Stanford, CA
Justin Belza, FNP-C is a nurse practitioner with a practice address in Stanford, California, and NPI 1215505854, issued on Jun 10, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin Belza
- Credential
- FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jun 10, 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 Justin Belza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
88% fewer Medicare Part D claims than the average nurse practitioner in 2024
137 Medicare Part D claims for 38 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Pantoprazole Sodium17 claims
- Omeprazole11 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 Medicare quality score for 2023: 76.5 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).
291 nurse practitioner records list a Stanford practice address
They are 291 of the 5,606 NPPES records with a Stanford practice address, and 7,120 nurse practitioner records in California.
All 291 in Stanford → All 7,120 in California → Every provider in Stanford →
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Common questions
What is Justin Belza, FNP-C's NPI number?
Justin Belza, FNP-C's National Provider Identifier (NPI) is 1215505854, issued on Jun 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Justin Belza, FNP-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 Justin Belza, FNP-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Justin Belza, FNP-C prescribe under Medicare Part D?
In 2024, Justin Belza, FNP-C had 137 Medicare Part D claims for 38 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.
What is Justin Belza, FNP-C's Medicare quality score?
The 2023 MIPS final score is 76.5 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.