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DR. CHIA CHEN MD
NPI 1124018171
Legal Medicine in Eureka, CA

Active since October 21, 2005PECOS Enrolled
2350 BUHNE ST, A, EUREKA, CA 95501(707) 443-4593(707) 443-6447 Get Directions Write a Review

NPPES record last updated: December 5, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Chia Chen Md NPPES

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

DR. CHIA CHEN MD (NPI 1124018171) is an individual legal medicine provider in Eureka, California, licensed in California (A61881) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124018171
Entity TypeIndividualFemale
Primary Taxonomy173000000X
Provider Legal NameDR. CHIA CHENCredential: MD
Location Address2350 BUHNE ST, AEureka, CA 95501-3238
Mailing Address2350 Buhne St, AEureka, CA 95501-3238 · (707) 443-4593 · Fax (707) 443-6447
Phone(707) 443-4593
Fax(707) 443-6447
Sole ProprietorYes
Enumeration DateOctober 21, 2005
Last NPPES UpdateDecember 5, 2011
✔ NPI 1124018171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyLegal MedicineOther Service Providers
Taxonomy Code173000000X
License✔ Licensed in CA · A61881
Definition
The specialty areas of medicine concerned with matters of, and relations with, substantive law and legal institutions; such as the conduct of medical examinations at crime scenes, performance of autopsies, giving of expert medical testimony in judicial proceedings, medical treatment of inmates of penal institutions, the practice of trauma medicine in law enforcement settings, and other clinical practice and medical science applications in the fields of law, law enforcement, and corrections.
2350 BUHNE ST, Eureka, CA 95501
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Other Identifiers 3

Medicare UPINH00998CA
Medicaid00A618810CA
Medicare ID-Type UnspecifiedZZZ36729ZCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Chia 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 Chia Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wahidullah Medical Corporation
0.1 mi
Urgent Care
2440 23RD ST
Eureka, CA 95501
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group
NPI 1093143356 (815) 241-5238

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.

ELIZABETH CHANTEL VALDIVIA AMFT
Marriage & Family Therapist
2350 BUHNE ST
EUREKA, CA 95501
Humboldt County (707) 443-4593
STACY KNOX AMFT120724
Marriage & Family Therapist
2350 BUHNE ST
EUREKA, CA 95501
Humboldt County (707) 443-4593
DR. LAWRENCE JOSEPH WIELAND MD
General Practice
2350 BUHNE ST, A
EUREKA, CA 95501
Humboldt County (707) 443-4593
DOUGLAS JORNLIN RN
Registered Nurse
2350 BUHNE ST, SUITE A
EUREKA, CA 95501
Humboldt County (707) 443-4593
AMY LOUISE ANNALA
Social Worker (Clinical)
2350 BUHNE ST
EUREKA, CA 95501
Humboldt County (707) 443-4593
KATELYN GALLAGHER RN
Registered Nurse (Women's Health Care, Ambulatory)
2350 BUHNE ST
EUREKA, CA 95501
Humboldt County (707) 443-4666
DR. MELISSA WILCOX-FALK M.D.
Family Medicine
2350 BUHNE ST
EUREKA, CA 95501
Humboldt County (707) 443-4593
DR. ALLISON BURTON MD
Family Medicine
2350 BUHNE ST, A
EUREKA, CA 95501
Humboldt County (707) 443-4593

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 Chia Chen's NPI number?

The NPI number for Chia Chen is 1124018171. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Where is Chia Chen located?

Chia Chen practices at 2350 Buhne St A, Eureka, CA 95501. The listed phone number is (707) 443-4593.

What is Chia Chen's specialty?

The primary specialty registered for this NPI is Legal Medicine with taxonomy code 173000000X.

Is Chia Chen enrolled in Medicare?

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

Which organization bills Medicare for Chia Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chia Chen reassigns Medicare benefits to Wahidullah Medical Corporation (Eureka, 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 Chia 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 Chia Chen was last updated on December 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.