CECILIA NGUYEN DNP, FNP-BC
NPI 1659258333
Nurse Practitioner - Family in Oakland, CA

Active since August 16, 2025PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 2, 2025, Aug 16, 2025 (2 updates tracked since 2025).

About Cecilia Nguyen Dnp, Fnp-bc NPPES

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

CECILIA NGUYEN DNP, FNP-BC (NPI 1659258333) is an individual family provider in Oakland, California, licensed in New York (356954) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1659258333
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCECILIA NGUYENCredential: DNP, FNP-BC
Location Address101 8TH STOakland, CA 94607-4707
Mailing Address453 E Avenue J9Lancaster, CA 93535-4076 · (760) 616-0997
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateAugust 16, 2025
Last NPPES UpdateSeptember 2, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
✔ NPI 1659258333 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 NY · 356954
101 8TH ST, Oakland, CA 94607

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

Cecilia Nguyen Dnp, Fnp-bc 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.

PECOS PAC ID3476044959
PECOS Enrollment IDI20251112002678
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 Cecilia Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
817 HARRISON STREET
Oakland, CA 94607
  • Reassigned Medicare billing, California enrollment
  • 130 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 94607 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 6

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

Nurse Practitioner
101 8TH ST
OAKLAND, CA 94607
Marriage & Family Therapist
101 8TH ST
OAKLAND, CA 94607
Registered Nurse (Ambulatory Care)
101 8TH ST
OAKLAND, CA 94607
Registered Nurse
101 8TH ST
OAKLAND, CA 94607
Registered Nurse
101 8TH ST
OAKLAND, CA 94607
Registered Nurse
101 8TH ST
OAKLAND, CA 94607

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 Cecilia Nguyen's NPI number?

The NPI number for Cecilia Nguyen is 1659258333. It was assigned to this individual provider in the NPPES registry on August 16, 2025.

Where is Cecilia Nguyen located?

Cecilia Nguyen practices at 101 8th St, Oakland, CA 94607. The listed phone number is (510) 986-6800.

What is Cecilia Nguyen's specialty?

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

Is Cecilia Nguyen enrolled in Medicare?

Yes. Cecilia Nguyen 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 Cecilia Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cecilia Nguyen reassigns Medicare benefits to Asian Health Services (Oakland, 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 Cecilia Nguyen'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 Cecilia Nguyen was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.