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DR. STEPHANIE P CHEN M.D.
NPI 1669634432
Emergency Medicine in Anaheim, CA

Active since July 01, 2008PECOS Enrolled
3440 E LA PALMA AVE, ANAHEIM, CA 92806(714) 644-2842 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 29, 2021, Aug 24, 2020 (2 updates tracked since 2020).

About Dr. Stephanie P Chen M.d. NPPES

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

DR. STEPHANIE P CHEN M.D. (NPI 1669634432) is an individual emergency medicine provider in Anaheim, California, licensed in Pennsylvania (MT193963) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669634432
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. STEPHANIE P CHENCredential: M.D.
Location Address3440 E LA PALMA AVEAnaheim, CA 92806-2020
Mailing Address120 CrossoverIrvine, CA 92618-1303 · (925) 984-4896
Phone(714) 644-2842
Sole ProprietorNo
Enumeration DateJuly 1, 2008
Last NPPES UpdateNovember 29, 20212 updates tracked since enumeration
NPPES CertifiedAugust 24, 2020
✔ NPI 1669634432 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in PA · MT193963
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3440 E LA PALMA AVE, Anaheim, CA 92806
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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)

Dr. Stephanie P Chen M.d. 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 Stephanie Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1.5 mi
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1952333460 (714) 279-4000

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 92806 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 20

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

DR. STEPHEN SEONGEUN KOH M.D., PH.D.
Pathology (Anatomic Pathology & Clinical Pathology)
3440 E LA PALMA AVE, KAISER ANAHEIM, DEPT OF PATHOLOGY
ANAHEIM, CA 92806
Orange County (714) 644-6160
STEPHEN WAYNE LEONG
Technician, Other
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-7570
DWIGHT MARSHALL TAN VILLANUEVA RRT
Respiratory Therapist, Registered
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-2000
HALEY MARTIN
Nurse Anesthetist, Certified Registered
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (317) 644-9054
DR. ANDREW J HWANG M. D.
Radiology (Diagnostic Radiology)
3440 E LA PALMA AVE, AMC DEPARTMENT OF RADIOLOGY
ANAHEIM, CA 92806
Orange County (714) 644-2000
KRYSTYN PARKS RD
Dietitian, Registered
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-6750
LISA ANSALDO THEOS RRT-NPS
Technician, Other
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-7570
SMRITI SHRESTHA THEBE
Nurse Practitioner
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-6650

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 Stephanie Chen's NPI number?

The NPI number for Stephanie Chen is 1669634432. It was assigned to this individual provider in the NPPES registry on July 1, 2008.

Where is Stephanie Chen located?

Stephanie Chen practices at 3440 E La Palma Ave, Anaheim, CA 92806. The listed phone number is (714) 644-2842.

What is Stephanie Chen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Stephanie Chen enrolled in Medicare?

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

Which organization bills Medicare for Stephanie Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Chen reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 Stephanie 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 Stephanie Chen was last updated on November 29, 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.