STACYANN ANDAYA NP
NPI 1649893660
Nurse Practitioner - Family in Walnut Creek, CA

Active since May 26, 2020PECOS Enrolled
2637 SHADELANDS DR, WALNUT CREEK, CA 94598(925) 932-6330(925) 932-0139 Get Directions Write a Review

NPPES record last updated: September 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2021, May 26, 2020 (2 updates tracked since 2020).

About Stacyann Andaya Np NPPES

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

STACYANN ANDAYA NP (NPI 1649893660) is an individual family provider in Walnut Creek, California, licensed in California (95014595) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649893660
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSTACYANN ANDAYACredential: NP
Location Address2637 SHADELANDS DRWalnut Creek, CA 94598-2512
Mailing Address2637 Shadelands DrWalnut Creek, CA 94598-2512 · (925) 932-6330 · Fax (925) 932-0139
Fax(925) 932-0139
Sole ProprietorNo
Enumeration DateMay 26, 2020
Last NPPES UpdateSeptember 29, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2021
✔ NPI 1649893660 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 · 95014595
2637 SHADELANDS DR, Walnut Creek, CA 94598

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stacyann Andaya 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

2

Medicare enrollment records show Stacyann Andaya reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
2720 LOW CT
Fairfield, CA 94534
  • Reassigned Medicare billing, California enrollment
  • 3,056 clinicians in this Medicare group
Family Medicine
2767 OLIVE HWY
Oroville, CA 95966
  • Reassigned Medicare billing, California enrollment
  • 267 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 94598 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.

Thoracic Surgery (Cardiothoracic Vascular Surgery)
2637 SHADELANDS DR
WALNUT CREEK, CA 94598
Internal Medicine (Gastroenterology)
2637 SHADELANDS DR
WALNUT CREEK, CA 94598
Physician Assistant
2637 SHADELANDS DR
WALNUT CREEK, CA 94598
Clinic/Center (Magnetic Resonance Imaging (MRI))
2637 SHADELANDS DR
WALNUT CREEK, CA 94598
Obstetrics & Gynecology
2637 SHADELANDS DR
WALNUT CREEK, CA 94598
Nurse Practitioner (Family)
2637 SHADELANDS DR
WALNUT CREEK, CA 94598
Internal Medicine (Pulmonary Disease)
2637 SHADELANDS DR
WALNUT CREEK, CA 94598
Podiatrist (Foot & Ankle Surgery)
2637 SHADELANDS DR
WALNUT CREEK, CA 94598

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 Stacyann Andaya's NPI number?

The NPI number for Stacyann Andaya is 1649893660. It was assigned to this individual provider in the NPPES registry on May 26, 2020.

Where is Stacyann Andaya located?

Stacyann Andaya practices at 2637 Shadelands Dr, Walnut Creek, CA 94598. The listed phone number is (925) 932-6330.

What is Stacyann Andaya's specialty?

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

Is Stacyann Andaya enrolled in Medicare?

Yes. Stacyann Andaya is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stacyann Andaya's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stacyann Andaya reassigns Medicare benefits to 2 organizations: Sutter Valley Medical Foundation (Fairfield, CA) and Orohealth Corporation A Non Profit Healthcare System (Oroville, 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 Stacyann Andaya'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 Stacyann Andaya was last updated on September 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.