ALISON NGUYEN MD
NPI 1245399807
Pediatrics in Fontana, CA

Q: What is Alison Nguyen's NPI number?

The NPI number for Alison Nguyen is 1245399807. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Q: What is Alison Nguyen's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Alison Nguyen was last updated on December 3, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since December 08, 2006PECOS Enrolled

9961 SIERRA AVE, FONTANA, CA 92335(909) 427-3910 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Alison Nguyen Md NPPES

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

ALISON NGUYEN MD (NPI 1245399807) is an individual pediatrics provider in Fontana, California, licensed in California (A54905) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245399807

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameALISON NGUYENCredential: MD

Location Address9961 SIERRA AVEFontana, CA 92335-6720

Mailing Address9961 Sierra AveFontana, CA 92335-6720 · (909) 427-3910

Phone(909) 427-3910

Sole ProprietorNo

Enumeration DateDecember 8, 2006

Last NPPES UpdateDecember 3, 2021

✔ NPI 1245399807 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A54905

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

9961 SIERRA AVE, Fontana, CA 92335

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alison Nguyen Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92335 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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.

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