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ANNY CHEN
NPI 1891594818
Nurse Practitioner - Family in Menlo Park, CA

Active since March 11, 2025PECOS Enrolled
8 HOMEWOOD PL, MENLO PARK, CA 94025(925) 867-1800 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 2, 2025, Mar 11, 2025 (2 updates tracked since 2025).

About Anny Chen NPPES

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

ANNY CHEN (NPI 1891594818) is an individual family provider in Menlo Park, California, licensed in California (95030947) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891594818
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameANNY CHEN
Location Address8 HOMEWOOD PLMenlo Park, CA 94025-3763
Mailing Address8 Homewood PlMenlo Park, CA 94025-3763 · (925) 867-1800
Phone(925) 867-1800
Sole ProprietorNo
Enumeration DateMarch 11, 2025
Last NPPES UpdateDecember 2, 20252 updates tracked since enumeration
NPPES CertifiedDecember 2, 2025
✔ NPI 1891594818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95030947
Also ListedRegistered NurseTaxonomy 163W00000X · License 95196857 (CA)
8 HOMEWOOD PL, Menlo Park, CA 94025
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Other Names 1

Other Name (5)Anny Yan Yu Chen

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Anny Chen 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 Reassignment

Medicare enrollment records show Anny Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Planned Parenthood Mar Monte, Inc.
4.9 mi
Community Health
2500 CALIFORNIA ST STE A
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • 146 clinicians in this Medicare group
NPI 1386299899 (408) 795-3600

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 94025 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RSC SURGERY CENTER, LLC
Clinic/Center (Ambulatory Surgical)
8 HOMEWOOD PL
MENLO PARK, CA 94025
San Mateo County (925) 973-1800

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 Anny Chen's NPI number?

The NPI number for Anny Chen is 1891594818. It was assigned to this individual provider in the NPPES registry on March 11, 2025. The provider is also known as Anny Yan Yu Chen.

Where is Anny Chen located?

Anny Chen practices at 8 Homewood Pl, Menlo Park, CA 94025. The listed phone number is (925) 867-1800.

What is Anny Chen's specialty?

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

Is Anny Chen enrolled in Medicare?

Yes. Anny Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Anny Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anny Chen reassigns Medicare benefits to Planned Parenthood Mar Monte, Inc. (Mountain View, 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 Anny Chen'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 Anny Chen was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.