MRS. ANNE RACHEL SERRANO GUIJO N.P.
NPI 1659898484
Nurse Practitioner - Family in Walnut Creek, CA
About Mrs. Anne Rachel Serrano Guijo N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ANNE RACHEL SERRANO GUIJO N.P. (NPI 1659898484) is an individual family provider in Walnut Creek, California, licensed in California (95006074) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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. Anne Rachel Serrano Guijo N.p. 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 Anne Rachel Guijo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 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 94596 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94596
WALNUT CREEK, CA 94596
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 Anne Rachel Guijo's NPI number?
The NPI number for Anne Rachel Guijo is 1659898484. It was assigned to this individual provider in the NPPES registry on August 23, 2017. The provider is also known as Anne Rachel Ontalan Serrano N.P..
Where is Anne Rachel Guijo located?
Anne Rachel Guijo practices at 710 S Broadway Ste 300, Walnut Creek, CA 94596. The listed phone number is (925) 295-6783.
What is Anne Rachel Guijo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Anne Rachel Guijo enrolled in Medicare?
Yes. Anne Rachel Guijo 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 Anne Rachel Guijo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Rachel Guijo reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, CA). 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 Anne Rachel Guijo'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 Anne Rachel Guijo was last updated on January 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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. Anne Rachel Serrano Guijo, N.P. · NPI 1659898484
Family physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since August 23, 2017.
## Identity
- **NPI:** 1659898484 (Entity type: Individual)
- **Enumerated:** August 23, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95006074 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 710 S BROADWAY STE 300, Walnut Creek, CA 94596-5229
- **Phone:** (925) 295-6783 · **Fax:** (925) 295-3984
## 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:** Permanente Medical Group Inc (NPI 1235226531, Richmond, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** January 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1659898484) · Data from the CMS NPPES public registry.