Jennifer Lenora Westerman, FNP
Family Nurse Practitioner · Martinez, CA
Jennifer Lenora Westerman, FNP is a family nurse practitioner with a practice address in Martinez, California, and NPI 1154404101, issued on Oct 23, 2006. Check the license (California RN324848, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer Lenora Westerman
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN324848 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 370-5110
- Enumerated
- Oct 23, 2006
- Record last updated
- Mar 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (925) 370-5142
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward AgyekumDentist1124196696
- Abid Ahmed, M.D.Internal Medicine Physician1346531001
Verify Jennifer Lenora Westerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RN324848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,576 Medicare Part D claims for 486 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 332 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen251 claims
- Atorvastatin Calcium240 claims
- Amlodipine Besylate129 claims
- Metformin Hcl107 claims
- Gabapentin105 claims
- Jardiance79 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.
Jennifer Lenora Westerman among 16,966 family nurse practitioner records in California
Jennifer Lenora Westerman, FNP 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 93% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2011 · 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).
46 family nurse practitioner records list a practice address in Martinez
They are 46 of the 1,816 NPPES records with a practice address in Martinez, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Martinez → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ruben Caballero, NPMartinez, CA 945531891870879
- Larry Cooperider, NURSE PRACTITIONERMartinez, CA 945531780676247
- Jo ElliffMartinez, CA 945531154498517
- Cynthia Hellman-Wylie, MSN, FNPMartinez, CA 945531093793127
- Phyllis Howard, NPMartinez, CA 945531093885998
- Laura Keels, F.N.P.Martinez, CA 945531619925286
- Marilyn Kerkhoff, NPMartinez, CA 945531336123090
- Laura Miller, NPMartinez, CA 945531801979570
Common questions
What is Jennifer Lenora Westerman, FNP's NPI number?
Jennifer Lenora Westerman, FNP's National Provider Identifier (NPI) is 1154404101, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Lenora Westerman, FNP located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5110. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Lenora Westerman, FNP's license?
NPPES lists California license number RN324848, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer Lenora Westerman, FNP prescribe under Medicare Part D?
In 2024, Jennifer Lenora Westerman, FNP had 3,576 Medicare Part D claims for 486 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.