MRS. KRISTEN TYSELL GHOUSSAINI PNP
NPI 1104068444
Nurse Practitioner - Pediatrics in Oakland, CA
About Mrs. Kristen Tysell Ghoussaini Pnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KRISTEN TYSELL GHOUSSAINI PNP (NPI 1104068444) is an individual pediatrics provider in Oakland, California, licensed in California (21230) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Oakland, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mrs. Kristen Tysell Ghoussaini Pnp 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 Reassignments
5Medicare enrollment records show Kristen Ghoussaini reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 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 94609 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 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
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 Kristen Ghoussaini's NPI number?
The NPI number for Kristen Ghoussaini is 1104068444. It was assigned to this individual provider in the NPPES registry on April 1, 2009.
Where is Kristen Ghoussaini located?
Kristen Ghoussaini practices at 747 52nd St, Oakland, CA 94609. The listed phone number is (510) 428-3319.
What is Kristen Ghoussaini's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Kristen Ghoussaini enrolled in Medicare?
Yes. Kristen Ghoussaini 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 organizations bill Medicare for Kristen Ghoussaini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Ghoussaini reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, CA). Each 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 Kristen Ghoussaini'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 Kristen Ghoussaini was last updated on July 25, 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.
# Mrs. Kristen Tysell Ghoussaini, PNP · NPI 1104068444
Pediatrics physician in Oakland, California. Individual provider, active in the CMS NPPES registry since April 1, 2009.
## Identity
- **NPI:** 1104068444 (Entity type: Individual)
- **Enumerated:** April 1, 2009
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 21230 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 747 52ND ST, Oakland, CA 94609-1809
- **Phone:** (510) 428-3319
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** July 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1104068444) · Data from the CMS NPPES public registry.