Jennifer Lenora Westerman, FNP

  • Martinez, CA
  • Family nurse practitioner
NPI1154404101
Part D claims, 2024
3,576
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
2500 Alhambra Avenue, Martinez, CA 94553
Practice phone
Call (925) 370-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Contra Costa Regional Medical Center

Hospital · Martinez, California

See all 2 affiliations

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Jennifer Lenora Westerman is a family nurse practitioner in Martinez, California

Jennifer Westerman practices at Contra Costa Regional Medical Center in Martinez, California, part of State of California.

Jennifer Westerman's NPI, 1154404101, was assigned on October 23, 2006. Jennifer Westerman holds California license RN324848.

NPI and contact details
NPI enumeration date
October 23, 2006
NPI status
Active
Practice phone
(925) 370-5000
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Jennifer Lenora Westerman practices at Contra Costa Regional Medical Center in Martinez, California

Jennifer Westerman's primary practice is Contra Costa Regional Medical Center, at 2500 Alhambra Avenue, Martinez, CA 94553 in Contra Costa County. The practice phone is (925) 370-5000.

Source: Dmand AI Affiliation Data

Jennifer Lenora Westerman is affiliated with 1 site of care and 1 medical group

Jennifer Westerman's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. The medical group on file is West County Adult Mental Health Services. Jennifer Westerman's employer is on file too: a hospital.

See all 2 affiliations for Jennifer Westerman

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Jennifer Lenora Westerman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jennifer Westerman practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Contra Costa Regional Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Jennifer Lenora Westerman is one of 13,532 family nurse practitioners in California

Family is Jennifer Westerman's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Jennifer Westerman is licensed in California.

Specialties and state licenses

  • Family nurse practitioner, CaliforniaPrimaryLicense RN324848 · taxonomy 363LF0000X

Family nurse practitioners near Jennifer Westerman

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Jennifer Lenora Westerman's patients have a median age of 68

Across all payers, Dmand AI patient panel data puts Jennifer Westerman's median patient age at 68, with 74% women.

Jennifer Westerman's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women74%
  • Men25%

Source: Dmand AI Patient Panel Data

Jennifer Lenora Westerman wrote 3,576 Medicare Part D claims in 2024

In 2024, Jennifer Westerman wrote 3,576 Medicare Part D claims for 486 patients. 80% of them were for generic drugs. CMS names the drug for 2,839 of them, across 74 drugs with 11 or more claims each, at $317,666 in total drug cost.

Part D claims, 20243,576
Drugs named by CMS74
Total drug cost$317,666
Part D patients486

Jennifer Westerman's Part D claims by kind of drug, 2024

  • Generic2,877 claims80%
  • Brand-name662 claims19%
  • Other37 claims1%

Jennifer Westerman's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Jennifer Westerman's Part D claims, 2024

  • Opioids9%332 of 3,576 claims
  • Antibiotics1%35 of 3,576 claims
  • Antipsychotics, patients 65 and over1%43 of 3,576 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Jennifer Westerman

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for Jennifer Lenora Westerman's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Jennifer Lenora Westerman

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Jennifer Lenora Westerman's NPI number?

Jennifer Lenora Westerman's NPI number is 1154404101. It was assigned on October 23, 2006, and it is active in the NPI Registry.

What does Jennifer Lenora Westerman specialize in?

Jennifer Lenora Westerman is a family nurse practitioner in Martinez, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Jennifer Lenora Westerman practice?

Jennifer Westerman practices at 2500 Alhambra Avenue, Martinez, CA 94553. Jennifer Westerman's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California.

What is Jennifer Lenora Westerman's office phone number?

The practice phone on file for Jennifer Westerman is (925) 370-5000.

What is Jennifer Lenora Westerman's medical license number?

Jennifer Westerman holds California license RN324848.

Which hospitals is Jennifer Lenora Westerman affiliated with?

Jennifer Westerman practices at Contra Costa Regional Medical Center in Martinez, California.

What medical group is Jennifer Lenora Westerman part of?

Jennifer Westerman is linked to West County Adult Mental Health Services.

What drugs does Jennifer Lenora Westerman prescribe most?

In 2024 Medicare Part D data, Jennifer Westerman's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Atorvastatin Calcium and Amlodipine Besylate.

How long has Jennifer Lenora Westerman been practicing?

Jennifer Westerman's NPI was assigned in 2006.

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