ROSA PEI CHEN MD
NPI 1437208717
Pediatrics - Neonatal-Perinatal Medicine in Fontana, CA

Q: What is Rosa Chen's NPI number?

The NPI number for Rosa Chen is 1437208717. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Q: What is Rosa Chen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Rosa Chen was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since January 09, 2007PECOS Enrolled

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

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Rosa Pei Chen Md NPPES

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

ROSA PEI CHEN MD (NPI 1437208717) is an individual neonatal-perinatal medicine provider in Fontana, California, licensed in California (A91495) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437208717

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameROSA PEI CHENCredential: 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 DateJanuary 9, 2007

Last NPPES UpdateNovember 30, 2021

✔ NPI 1437208717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in CA · A91495

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

9961 SIERRA AVE, Fontana, CA 92335

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rosa Pei Chen 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.

Medicare Billing Reassignment

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

Southern California Permanente Medical Group

Same address

Health Maintenance Organization

9961 SIERRA AVE
Fontana, CA 92335

Reassigned Medicare billing, California enrollment
5,228 clinicians in this Medicare group

NPI 1689606196 (909) 427-3910

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

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.

SHEILA ANN VANALLEN PT

Physical Therapist

9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335

San Bernardino County (909) 427-7727

MR. JAMES DAVID KILLEEN III M.D.

Pediatrics

9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335

San Bernardino County (909) 427-6960

MR. DHIRESH N PATEL RPH

Pharmacist