Cassidy Ziemke, NP
Nurse Practitioner · Stanford, CA
Cassidy Ziemke, NP is a nurse practitioner with a practice address in Stanford, California, and NPI 1336542489, issued on Oct 3, 2014. Check the license (California 95001119, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassidy Ziemke
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95001119 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Oct 3, 2014
- 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 Cassidy Ziemke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95001119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
93% fewer Medicare Part D claims than the average nurse practitioner in 2024
81 Medicare Part D claims for 23 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Braftovi22 claims
- Mektovi22 claims
- Levothyroxine Sodium11 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).
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.
572 nurse practitioner records list a practice address in Stanford
They are 572 of the 5,606 NPPES records with a practice address in Stanford, and 8,223 nurse practitioner records in California.
All 572 in Stanford → All 8,223 in California → Every provider in Stanford →
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Common questions
What is Cassidy Ziemke, NP's NPI number?
Cassidy Ziemke, NP's National Provider Identifier (NPI) is 1336542489, issued on Oct 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Cassidy Ziemke, NP 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 Cassidy Ziemke, NP's license?
NPPES lists California license number 95001119, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cassidy Ziemke, NP prescribe under Medicare Part D?
In 2024, Cassidy Ziemke, NP had 81 Medicare Part D claims for 23 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Cassidy Ziemke, NP'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.