Katherine Beth Janaszek, FNP-BC
Family Nurse Practitioner · Stanford, CA
Katherine Beth Janaszek, FNP-BC is a family nurse practitioner with a practice address in Stanford, California, and NPI 1306383286, issued on Jan 30, 2017. Check the license (California 95005589, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Beth Janaszek
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95005589 CA
811016 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr RM H2103, Stanford, CA 94305
- Phone
- (650) 723-0180
- Enumerated
- Jan 30, 2017
- Record last updated
- Jul 12, 2023
- Fax
- (650) 725-6766
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 300 Pasteur Dr RM H2103
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Beth Janaszek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95005589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average family nurse practitioner in 2024
688 Medicare Part D claims for 195 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Rosuvastatin Calcium107 claims
- Atorvastatin Calcium60 claims
- Losartan Potassium59 claims
- Metoprolol Succinate44 claims
- Ezetimibe39 claims
- Clopidogrel37 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.
Industry payments in 2024: $544.91
17 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katherine Beth Janaszek among 16,966 family nurse practitioner records in California
Katherine Beth Janaszek, FNP-BC is one of 16,966 family nurse practitioner records with a practice address in California. 67% 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 40% of them.
- NPI issued2017 · 40% of these records are older, 55% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Nurse Practitioner providers in California
There are 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Stanford → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Patricia Blevins, NPStanford, CA 943051194871905
- Kimberly Caswell, NPStanford, CA 943051851618813
- Linda Dodds, RN, MS, CFNPStanford, CA 943051477698066
- Carolyn Fox, N.P.Stanford, CA 943051891847083
- Andrea Frederick, N.PStanford, CA 943051669782645
- Maria Josephina Gomez, FNPPalo Alto, CA 943051174670012
- Korrina Lau, BSN, MSN, RN, FNP-BCStanford, CA 943051255597563
- Jocelyn Malott, NPStanford, CA 943051952634487
Common questions
What is Katherine Beth Janaszek, FNP-BC's NPI number?
Katherine Beth Janaszek, FNP-BC's National Provider Identifier (NPI) is 1306383286, issued on Jan 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Beth Janaszek, FNP-BC located?
The NPPES record lists a practice address at 300 Pasteur Dr RM H2103, Stanford, CA, 94305. Phone: (650) 723-0180. Providers update this record themselves, so call before visiting.
How can I verify Katherine Beth Janaszek, FNP-BC's license?
NPPES lists California license number 95005589, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Beth Janaszek, FNP-BC prescribe under Medicare Part D?
In 2024, Katherine Beth Janaszek, FNP-BC had 688 Medicare Part D claims for 195 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
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.