JENNIFER LENORA WESTERMAN FNP
NPI 1154404101
Nurse Practitioner - Family in Martinez, CA

Q: What is Jennifer Westerman's NPI number?

The NPI number for Jennifer Westerman is 1154404101. It was assigned to this individual provider in the NPPES registry on October 23, 2006.

Q: What is Jennifer Westerman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Active since October 23, 2006PECOS Enrolled

2500 ALHAMBRA AVE, MARTINEZ, CA 94553(925) 370-5110(925) 370-5142 Get Directions Write a Review

NPPES record last updated: March 25, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Jennifer Lenora Westerman Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JENNIFER LENORA WESTERMAN FNP (NPI 1154404101) is an individual family provider in Martinez, California, licensed in California (RN324848) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154404101

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameJENNIFER LENORA WESTERMANCredential: FNP

Location Address2500 ALHAMBRA AVEMartinez, CA 94553-3156

Mailing Address50 Douglas Dr, Suite 391Martinez, CA 94553-4098 · (925) 957-5429 · Fax (925) 957-5401

Phone(925) 370-5110

Fax(925) 370-5142

Sole ProprietorYes

Enumeration DateOctober 23, 2006

Last NPPES UpdateMarch 25, 2011

✔ NPI 1154404101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · RN324848

2500 ALHAMBRA AVE, Martinez, CA 94553

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Other Identifiers 1

Medicare UPINR20844CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jennifer Lenora Westerman Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jennifer Westerman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Contra Costa County

Same address

General Acute Care Hospital

2500 ALHAMBRA AVE
Martinez, CA 94553

Reassigned Medicare billing, California enrollment
530 clinicians in this Medicare group

NPI 1386719086 (925) 370-5955

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94553 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

12 suppliers48 claims126 services$5.72 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

5 suppliers17 claims24 services$0.95 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier23 claims25 services$14.34 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier22 claims22 services$2.77 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers30 claims32 services$67.76 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier11 claims11 services$34.12 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN S HAWKINS

Family Medicine