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 (California 95018975, as entered in NPPES) 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
- License number
- 95018975 CA
Self-reported in NPPES; status is on the state search - 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 profession
Search for license 95018975Check 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 1,109 among the 54,319 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).
572 nurse practitioner records list a Stanford practice address
They are 572 of the 5,606 NPPES records with a Stanford practice address, and 8,223 nurse practitioner records in California.
All 572 in Stanford → All 8,223 in California → Every provider in Stanford →
Other nurse practitioner records in California
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- Shayda Abadi, NPPalo Alto, CA1316745540
- Jessika Abarca, NPSan Fernando, CA1972263945
- Hangama Abassi, N.P.Walnut Creek, CA1487083655
- Elizabeth Abaunza, NPSan Francisco, CA1962044347
- Honeylynn Abaya, NPMoreno Valley, CA1528799145
- Tara Abbondanza, NPArcadia, CA1730355173
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?
NPPES lists California license number 95018975, as entered by the provider. 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 1,109. 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.
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) 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 27, 2026.