MARIT SONSTELIE R.N., P.N.P.
NPI 1427294941
Nurse Practitioner - Pediatrics in Oakland, CA

Q: What is Marit Sonstelie's NPI number?

The NPI number for Marit Sonstelie is 1427294941. It was assigned to this individual provider in the NPPES registry on January 6, 2009.

Q: What is Marit Sonstelie's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Q: When was this NPI record last updated?

The NPPES record for Marit Sonstelie was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since January 06, 2009PECOS Enrolled

8945 GOLF LINKS RD, OAKLAND, CA 94605(510) 292-3093(510) 830-3591 Get Directions Write a Review

NPPES record last updated: May 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 9, 2025, Jun 29, 2020 (2 updates tracked since 2020).

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About Marit Sonstelie R.n., P.n.p. NPPES

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

MARIT SONSTELIE R.N., P.N.P. (NPI 1427294941) is an individual pediatrics provider in Oakland, California, licensed in California (23727) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427294941

Entity TypeIndividualFemale

Primary Taxonomy363LP0200X

Provider Legal NameMARIT SONSTELIECredential: R.N., P.N.P.

Location Address8945 GOLF LINKS RDOakland, CA 94605-4124

Mailing Address8945 Golf Links RdOakland, CA 94605-4124 · (510) 292-3093 · Fax (510) 830-3591

Phone(510) 292-3093

Fax(510) 830-3591

Sole ProprietorNo

Enumeration DateJanuary 6, 2009

Last NPPES UpdateMay 9, 20252 updates tracked since enumeration

NPPES CertifiedMay 9, 2025

✔ NPI 1427294941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0200X

License✔ Licensed in CA · 23727

Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License NP23727 (CA)

8945 GOLF LINKS RD, Oakland, CA 94605

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marit Sonstelie R.n., P.n.p. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94605 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.

MRS. ABBY ROSS BLUM LCSW

Social Worker (Clinical)