LEONCIA KAYE GILLESPIE-MWARUMBA MSN, WHNP-BC
NPI 1508642158
Nurse Practitioner - Women's Health in Oakland, CA
About Leoncia Kaye Gillespie-mwarumba Msn, Whnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEONCIA KAYE GILLESPIE-MWARUMBA MSN, WHNP-BC (NPI 1508642158) is an individual women's health provider in Oakland, California, licensed in California (95041801) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Leoncia Kaye Gillespie-mwarumba Msn, Whnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Leoncia Gillespie-mwarumba reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Glendale, AZ 85303
- Reassigned Medicare billing, Arizona enrollment
- 166 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 94601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
OAKLAND, CA 94601
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 Leoncia Gillespie-mwarumba's NPI number?
The NPI number for Leoncia Gillespie-mwarumba is 1508642158. It was assigned to this individual provider in the NPPES registry on September 7, 2023.
Where is Leoncia Gillespie-mwarumba located?
Leoncia Gillespie-mwarumba practices at 2950 International Blvd, Oakland, CA 94601. The listed phone number is (510) 535-4400.
What is Leoncia Gillespie-mwarumba's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Leoncia Gillespie-mwarumba enrolled in Medicare?
Yes. Leoncia Gillespie-mwarumba is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Leoncia Gillespie-mwarumba's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leoncia Gillespie-mwarumba reassigns Medicare benefits to Mountain Park Health Center (Glendale, AZ). 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 Leoncia Gillespie-mwarumba's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leoncia Gillespie-mwarumba accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Leoncia Gillespie-mwarumba as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Leoncia Gillespie-mwarumba was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.
# Leoncia Kaye Gillespie-Mwarumba, MSN, WHNP-BC · NPI 1508642158
Women's Health physician in Oakland, California. Individual provider, active in the CMS NPPES registry since September 7, 2023.
## Identity
- **NPI:** 1508642158 (Entity type: Individual)
- **Enumerated:** September 7, 2023
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** 95041801 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2950 INTERNATIONAL BLVD, Oakland, CA 94601-2228
- **Phone:** (510) 535-4400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mountain Park Health Center (NPI 1316637481, Glendale, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** October 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1508642158) · Data from the CMS NPPES public registry.