Courtney B. Westenburg, FNP-BC
Nurse Practitioner · Emeryville, CA
Courtney B. Westenburg, FNP-BC is a nurse practitioner with a practice address in Emeryville, California, and NPI 1912344359, issued on May 24, 2013. Check the license (California 95001114, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Courtney B. Westenburg
- Credential
- FNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95001114 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1333 Powell St Unit 103, Emeryville, CA 94608
- Phone
- (888) 663-6331
- Enumerated
- May 24, 2013
- Record last updated
- Apr 18, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20160804000807); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 1333 Powell St Unit 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Courtney B. Westenburg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95001114Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average nurse practitioner in 2024
100 Medicare Part D claims for 16 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- 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.
Bills Medicare through one group practice
- One Medical Group IncOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Courtney B. Westenburg among 8,223 nurse practitioner records in California
Courtney B. Westenburg, FNP-BC is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 39% of them.
- NPI issued2013 · 39% of these records are older, 58% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2012 · median 2017 among the 3,425 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 nurse practitioner records list a practice address in Emeryville
They are 19 of the 703 NPPES records with a practice address in Emeryville, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Emeryville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Elizabeth Dods, NPEmeryville, CA 946081861748832
- Robin Fernandes, NPEmeryville, CA 946081629249438
- Sarah Holmgren, NPEmeryville, CA 946081417320896
- Anne Ninita Knight, ARNPEmeryville, CA 946081679552335
- Dianna Lange, NPEmeryville, CA 946081245666981
- Eugenia Magahis, NPEmeryville, CA 946081023419686
- Pamela Noonan, RDEmeryville, CA 946081043260896
- Sayaka Ogata, NPEmeryville, CA 946081649332982
Common questions
What is Courtney B. Westenburg, FNP-BC's NPI number?
Courtney B. Westenburg, FNP-BC's National Provider Identifier (NPI) is 1912344359, issued on May 24, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Courtney B. Westenburg, FNP-BC located?
The NPPES record lists a practice address at 1333 Powell St Unit 103, Emeryville, CA, 94608. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Courtney B. Westenburg, FNP-BC's license?
NPPES lists California license number 95001114, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Courtney B. Westenburg, FNP-BC prescribe under Medicare Part D?
In 2024, Courtney B. Westenburg, FNP-BC had 100 Medicare Part D claims for 16 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.