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FIONA CHUNG
NPI 1386389682
Nurse Practitioner - Family in Menlo Park, CA

Active since May 02, 2022PECOS Enrolled
325 SHARON PARK DR STE F3, MENLO PARK, CA 94025(888) 663-6331 Get Directions Write a Review

NPPES record last updated: June 7, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 7, 2024, Dec 1, 2022, May 2, 2022 (3 updates tracked since 2022).

About Fiona Chung NPPES

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

FIONA CHUNG (NPI 1386389682) is an individual family provider in Menlo Park, California, licensed in California (95019328) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Palo Alto.

NPPES Registry Identity

NPI1386389682
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameFIONA CHUNG
Location Address325 SHARON PARK DR STE F3Menlo Park, CA 94025-6848
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791
Phone(888) 663-6331
Sole ProprietorNo
Enumeration DateMay 2, 2022
Last NPPES UpdateJune 7, 20243 updates tracked since enumeration
NPPES CertifiedJune 7, 2024
✔ NPI 1386389682 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 · 95019328
325 SHARON PARK DR STE F3, Menlo Park, CA 94025
Open in Google Maps ↗

Secondary Practice Location 1

Location 1590 Forest AvePalo Alto, CA 94301-2611 · Phone (888) 663-6331

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Fiona Chung 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 Fiona Chung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

One Medical Group, Inc.
28 mi
Family Medicine
2 EMBARCADERO CTR LBBY LEVEL
San Francisco, CA 94111
  • Reassigned Medicare billing, California enrollment
  • 291 clinicians in this Medicare group
NPI 1467781641 (415) 578-3100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services21 patients

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 5

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

DR. KEWMARS KEYVANI MD
Family Medicine
325 SHARON PARK DR STE F3
MENLO PARK, CA 94025
San Mateo County (888) 663-6331
DR. GEORGE F SMITH M.D.
Internal Medicine
325 SHARON PARK DR STE F3
MENLO PARK, CA 94025
San Mateo County (888) 663-6331
DR. KATHRYN NOEL MIDDLETON DO
Family Medicine
325 SHARON PARK DR STE F3
MENLO PARK, CA 94025
San Mateo County (888) 663-6331
JANUSHE PATEL
Internal Medicine
325 SHARON PARK DR STE F3
MENLO PARK, CA 94025
San Mateo County (888) 663-6331
JULIA DANSER DO
Pediatrics
325 SHARON PARK DR STE F3
MENLO PARK, CA 94025
San Mateo County (888) 663-6331

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 Fiona Chung's NPI number?

The NPI number for Fiona Chung is 1386389682. It was assigned to this individual provider in the NPPES registry on May 2, 2022.

Where is Fiona Chung located?

Fiona Chung practices at 325 Sharon Park Dr Ste F3, Menlo Park, CA 94025. The listed phone number is (888) 663-6331.

What is Fiona Chung's specialty?

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

Is Fiona Chung enrolled in Medicare?

Yes. Fiona Chung is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Fiona Chung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fiona Chung reassigns Medicare benefits to One Medical Group, Inc. (San Francisco, 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 Fiona Chung'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 Fiona Chung was last updated on June 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.