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MS. NANCY RIVAS NP
NPI 1629310024
Nurse Practitioner - Family in King City, CA

Active since March 23, 2013PECOS Enrolled
404 S 1ST ST, KING CITY, CA 93930(831) 737-3588 Get Directions Write a Review

NPPES record last updated: March 23, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Nancy Rivas Np NPPES

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

MS. NANCY RIVAS NP (NPI 1629310024) is an individual family provider in King City, California, licensed in California (22162) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629310024
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. NANCY RIVASCredential: NP
Location Address404 S 1ST STKing City, CA 93930-2947
Mailing Address446 Holiday Hills DrMartinez, CA 94553-4218 · (925) 212-5047
Phone(831) 737-3588
Sole ProprietorNo
Enumeration DateMarch 23, 2013
✔ NPI 1629310024 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 22162
404 S 1ST ST, King City, CA 93930
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Nancy Rivas Np 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.

Medicare Billing Reassignments

5

Medicare enrollment records show Nancy Rivas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California
130 mi
Endocrinology, Diabetes & Metabolism
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
NPI 1376613943 (415) 353-2350
Ucsf Dept Of Surgery
130 mi
Surgery
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 761 clinicians in this Medicare group
NPI 1477627537 (415) 353-2161
Ucsf Pediatrics Associates
130 mi
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000
University Of California San Francisco
130 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
130 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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 93930 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
$94.44 typical visit price
range $61.69 – $184.30
Typical copayment $23.61 (range $15.42 – $46.07)
Most-billed visit code 99203
Established Patient
$108.04 typical visit price
range $20.34 – $151.02
Typical copayment $27.01 (range $5.08 – $37.75)
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.

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 Nancy Rivas's NPI number?

The NPI number for Nancy Rivas is 1629310024. It was assigned to this individual provider in the NPPES registry on March 23, 2013.

Where is Nancy Rivas located?

Nancy Rivas practices at 404 S 1st St, King City, CA 93930. The listed phone number is (831) 737-3588.

What is Nancy Rivas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Nancy Rivas enrolled in Medicare?

Yes. Nancy Rivas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nancy Rivas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Rivas reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA), Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Nancy Rivas'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 Nancy Rivas was last updated on March 23, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.