1. Home
  2. Directory
  3. California
  4. Anaheim
  5. Emergency Medicine
  6. NPI Profile

ALLEN CHIOU M.D.
NPI 1407291354
Emergency Medicine in Anaheim, CA

Active since May 06, 2013PECOS Enrolled
1736 W MEDICAL CENTER DR, SUITE B, ANAHEIM, CA 92801(909) 558-4085 Get Directions Write a Review

NPPES record last updated: September 12, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Allen Chiou M.d. NPPES

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

ALLEN CHIOU M.D. (NPI 1407291354) is an individual emergency medicine provider in Anaheim, California, licensed in California (A132018) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407291354
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameALLEN CHIOUCredential: M.D.
Location Address1736 W MEDICAL CENTER DR, SUITE BAnaheim, CA 92801-1854
Mailing Address1736 W Medical Center Dr, Suite BAnaheim, CA 92801-1854 · (650) 575-3914
Phone(909) 558-4085
Sole ProprietorYes
Enumeration DateMay 6, 2013
Last NPPES UpdateSeptember 12, 2016
✔ NPI 1407291354 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A132018
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.
1736 W MEDICAL CENTER DR, Anaheim, CA 92801
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allen Chiou 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 Reassignments

2

Medicare enrollment records show Allen Chiou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America - California
2.9 mi
Emergency Medicine
1025 S ANAHEIM BLVD
Anaheim, CA 92805
  • Reassigned Medicare billing, California enrollment
  • 1,204 clinicians in this Medicare group
NPI 1982078150 (714) 533-6220
Iwound Care Medical Corporation
4.8 mi
Emergency Medicine
6131 ORANGETHORPE AVE STE 415
Buena Park, CA 90620
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1528924073 (562) 474-9096

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 92801 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 3

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

PRAKASH N SHENOY M.D.
Internal Medicine (Cardiovascular Disease)
1736 W MEDICAL CENTER DR, SUITE A
ANAHEIM, CA 92801
Orange County (714) 635-1781
DR. CHIN SE KIM M.D.
Neuromusculoskeletal Medicine, Sports Medicine
1736 W MEDICAL CENTER DR, SUITE B
ANAHEIM, CA 92801
Orange County (714) 520-0809
ALBERT LAI, MD
Specialist
1736 W MEDICAL CENTER DR, SUITE B
ANAHEIM, CA 92801
Orange County (714) 520-0809

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 Allen Chiou's NPI number?

The NPI number for Allen Chiou is 1407291354. It was assigned to this individual provider in the NPPES registry on May 6, 2013.

Where is Allen Chiou located?

Allen Chiou practices at 1736 W Medical Center Dr Suite B, Anaheim, CA 92801. The listed phone number is (909) 558-4085.

What is Allen Chiou's specialty?

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

Is Allen Chiou enrolled in Medicare?

Yes. Allen Chiou is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Allen Chiou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allen Chiou reassigns Medicare benefits to 2 organizations: Cep America - California (Anaheim, CA) and Iwound Care Medical Corporation (Buena Park, CA). Each 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 Allen Chiou'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 Allen Chiou was last updated on September 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.