ELIZABETH R GUMAS NP
NPI 1801843792
Nurse Practitioner in Concord, CA

Q: What is Elizabeth Gumas's NPI number?

The NPI number for Elizabeth Gumas is 1801843792. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Q: What is Elizabeth Gumas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Elizabeth Gumas was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since May 27, 2006PECOS Enrolled

2299 BACON ST, CONCORD, CA 94520(925) 676-3450 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Elizabeth R Gumas Np NPPES

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

ELIZABETH R GUMAS NP (NPI 1801843792) is an individual nurse practitioner in Concord, California, licensed in California (12702) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801843792

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameELIZABETH R GUMASCredential: NP

Location Address2299 BACON STConcord, CA 94520-2050

Mailing Address2862 Georgia StOakland, CA 94602-3222 · (510) 390-3991

Phone(925) 676-3450

Sole ProprietorNo

Enumeration DateMay 27, 2006

Last NPPES UpdateJanuary 3, 2022

✔ NPI 1801843792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · 12702

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedRegistered NurseTaxonomy 163W00000X · License 546730 (CA)

2299 BACON ST, Concord, CA 94520

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elizabeth R Gumas Np 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 Elizabeth Gumas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

15 mi

Internal Medicine

975 SERENO DRIVE
Vallejo, CA 94589

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1336222397 (707) 651-1000

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 94520 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 12

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

CLINICA LA LUNA Y EL SOL MEDICAL CENTER, INC

Clinic/Center (Primary Care)

2299 BACON ST, SUITE 6
CONCORD, CA 94520

Contra Costa County (925) 691-1900

VVS PRIMARY CARE MEDICAL GROUP

Family Medicine

2299 BACON ST, SUITE 6
CONCORD, CA 94520

Contra Costa County (925) 691-1900

DIABLO PULMONARY MEDICAL GROUP, INC

Internal Medicine (Pulmonary Disease)

2299 BACON ST, SUITE 2
CONCORD, CA 94520

Contra Costa County (925) 676-2942

HIROMI TAKEKUMA D.O.

Internal Medicine (Pulmonary Disease)

2299 BACON ST, SUITE 2
CONCORD, CA 94520

Contra Costa County (925) 676-2942

DR. LUCIA YAPING YANG M.D.

Specialist

2299 BACON ST, STE. 7
CONCORD, CA 94520

Contra Costa County (925) 676-6500

EAST BAY RETINA CONSULTANTS A MEDICAL GROUP, INC

Ophthalmology

2299 BACON ST, SUITE 6
CONCORD, CA 94520

Contra Costa County (925) 680-1600

MS. MARIE-CLAIRE LUCIA BARNABA NP

Nurse Practitioner

2299 BACON ST
CONCORD, CA 94520

Contra Costa County (925) 676-3450

SLOANE BLAIR CPNP-PC

Nurse Practitioner (Pediatrics)

2299 BACON ST, SUITE 7
CONCORD, CA 94520

Contra Costa County (925) 676-6500

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 Elizabeth Gumas's NPI number?

The NPI number for Elizabeth Gumas is 1801843792. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Elizabeth Gumas located?

Elizabeth Gumas practices at 2299 Bacon St, Concord, CA 94520. The listed phone number is (925) 676-3450.

What is Elizabeth Gumas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Elizabeth Gumas enrolled in Medicare?

Yes. Elizabeth Gumas is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Elizabeth Gumas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Gumas reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, 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 Elizabeth Gumas'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 Elizabeth Gumas was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.