Mariah Custer, FNP-C
NPI 1881464147 · Nurse Practitioner · Oakland, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariah Custer, FNP-C is a Nurse Practitioner provider in Oakland, CA (NPI 1881464147).
Provider details
- NPI number
- 1881464147
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95028450 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-01-08
- Last updated
- 2024-01-08
- Certified
- 2024-01-06
Frequently asked questions
- What is Mariah Custer's NPI number?
- Mariah Custer's National Provider Identifier (NPI) is 1881464147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariah Custer's specialty?
- Mariah Custer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariah Custer located?
- Mariah Custer's practice location on file with NPPES is 1411 E 31st St, Oakland, CA 94602-1018.
- What is Mariah Custer's phone number?
- The practice phone number listed in the NPPES registry for Mariah Custer is (510) 437-4800.
- Does Mariah Custer accept Medicare?
- Mariah Custer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariah Custer's NPI active?
- Yes — Mariah Custer's NPI (1881464147) is active in the NPPES registry as of the last update on 2024-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.