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MARIAH WOLFE FNP-BC
NPI 1831069533
Nurse Practitioner in Oakland, CA

Active since November 07, 2025PECOS Enrolled
9925 INTERNATIONAL BLVD, OAKLAND, CA 94603(510) 777-1177 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 9, 2026, May 4, 2026, Nov 7, 2025 (3 updates tracked since 2025).

About Mariah Wolfe Fnp-bc NPPES

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

MARIAH WOLFE FNP-BC (NPI 1831069533) is an individual nurse practitioner in Oakland, California, licensed in California (2026021498) and active in the NPI registry since November 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1831069533
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARIAH WOLFECredential: FNP-BC
Location Address9925 INTERNATIONAL BLVDOakland, CA 94603-2558
Mailing Address9925 International BlvdOakland, CA 94603-2558 · (510) 777-1177
Phone(510) 777-1177
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateNovember 7, 2025
Last NPPES UpdateJuly 9, 20263 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
✔ NPI 1831069533 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 · 2026021498
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 95371135 (CA)
9925 INTERNATIONAL BLVD, Oakland, CA 94603
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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)

Mariah Wolfe Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5193281848
PECOS Enrollment IDI20260801000364
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 Mariah Wolfe reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Infusion Express Of California Inc
20 mi
Infusion Therapy
43360 MISSION BLVD, SUITE 100
Fremont, CA 94539
  • Reassigned Medicare billing, California enrollment
  • 38 clinicians in this Medicare group
NPI 1447604525 (510) 992-4114

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 94603 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 20

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

SYNOUN RIN
Community Health Worker
9925 INTERNATIONAL BLVD
OAKLAND, CA 94603
Alameda County (510) 777-1177
KYE DUREN
Case Management
9925 INTERNATIONAL BLVD
OAKLAND, CA 94603
Alameda County (510) 777-1177
ANDREW THOMAS SANTANIELLO APCC
Counselor (Mental Health)
9925 INTERNATIONAL BLVD
OAKLAND, CA 94603
Alameda County (510) 916-5815
CENTER FOR FAMILY COUNSELING
Community/Behavioral Health
9925 INTERNATIONAL BLVD, 6
OAKLAND, CA 94603
Alameda County (510) 562-3731
ROOTS COMMUNITY HEALTH CENTER
Clinic/Center (Primary Care)
9925 INTERNATIONAL BLVD, #5
OAKLAND, CA 94603
Alameda County (510) 777-1177
LATRINA DUMAS
Case Manager/Care Coordinator
9925 INTERNATIONAL BLVD
OAKLAND, CA 94603
Alameda County (510) 916-0430
MS. GEORGINA GISELLE GRIMM FNP
Nurse Practitioner (Family)
9925 INTERNATIONAL BLVD, #5
OAKLAND, CA 94603
Alameda County (510) 777-1177
TAVARE WILLIAMS SR.
Case Manager/Care Coordinator
9925 INTERNATIONAL BLVD
OAKLAND, CA 94603
Alameda County (510) 998-8303

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 Mariah Wolfe's NPI number?

The NPI number for Mariah Wolfe is 1831069533. It was assigned to this individual provider in the NPPES registry on November 7, 2025.

Where is Mariah Wolfe located?

Mariah Wolfe practices at 9925 International Blvd, Oakland, CA 94603. The listed phone number is (510) 777-1177.

What is Mariah Wolfe's specialty?

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

Is Mariah Wolfe enrolled in Medicare?

Yes. Mariah Wolfe is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mariah Wolfe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariah Wolfe reassigns Medicare benefits to Infusion Express Of California Inc (Fremont, 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 Mariah Wolfe'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 Mariah Wolfe was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.