JENNIFER MCIRVIN
NPI 1134384308
Family Medicine in Livermore, CA

Active since July 26, 2008PECOS Enrolled
1686 SECOND ST, LIVERMORE, CA 94550(925) 462-1755 Get Directions Write a Review

NPPES record last updated: October 7, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 7, 2025, Dec 15, 2021 (2 updates tracked since 2021).

About Jennifer Mcirvin NPPES

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

JENNIFER MCIRVIN (NPI 1134384308) is an individual family medicine provider in Livermore, California, licensed in California (20A11002) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1134384308
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameJENNIFER MCIRVIN
Location Address1686 SECOND STLivermore, CA 94550-4328
Mailing Address1686 Second StLivermore, CA 94550-4328
Sole ProprietorNo
Enumeration DateJuly 26, 2008
Last NPPES UpdateOctober 7, 20252 updates tracked since enumeration
NPPES CertifiedOctober 7, 2025
✔ NPI 1134384308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A11002
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1686 SECOND ST, Livermore, CA 94550

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jennifer Mcirvin 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 Mcirvin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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 94550 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.

Other Providers at the Same Location NPPES 2

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

Clinic/Center (Federally Qualified Health Center (FQHC))
1686 SECOND ST
LIVERMORE, CA 94550
Family Medicine
1686 SECOND ST
LIVERMORE, CA 94550

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Mcirvin's NPI number?

The NPI number for Jennifer Mcirvin is 1134384308. It was assigned to this individual provider in the NPPES registry on July 26, 2008.

Where is Jennifer Mcirvin located?

Jennifer Mcirvin practices at 1686 Second St, Livermore, CA 94550. The listed phone number is (925) 462-1755.

What is Jennifer Mcirvin's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jennifer Mcirvin enrolled in Medicare?

Yes. Jennifer Mcirvin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jennifer Mcirvin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Mcirvin reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Mcirvin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jennifer Mcirvin was last updated on October 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.