Marit Sonstelie, R.N., P.N.P.
NPI 1427294941 · Pediatric Nurse Practitioner · Oakland, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marit Sonstelie, R.N., P.N.P. is a Pediatric Nurse Practitioner provider in Oakland, CA (NPI 1427294941).
Provider details
- NPI number
- 1427294941
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- R.N., P.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- NP23727 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 45 Farallones StSan Francisco, CA 94112-3005Phone: (510) 292-3093
Registry dates
- Enumerated
- 2009-01-06
- Last updated
- 2025-05-09
- Certified
- 2025-05-09
Frequently asked questions
- What is Marit Sonstelie's NPI number?
- Marit Sonstelie's National Provider Identifier (NPI) is 1427294941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marit Sonstelie's specialty?
- Marit Sonstelie is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marit Sonstelie located?
- Marit Sonstelie's practice location on file with NPPES is 8945 Golf Links Rd, Oakland, CA 94605-4124.
- What is Marit Sonstelie's phone number?
- The practice phone number listed in the NPPES registry for Marit Sonstelie is (510) 292-3093.
- Does Marit Sonstelie accept Medicare?
- Marit Sonstelie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marit Sonstelie's NPI active?
- Yes — Marit Sonstelie's NPI (1427294941) is active in the NPPES registry as of the last update on 2025-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.