DR. CLARK D YORK DO
NPI 1326069980
Emergency Medicine in Phoenix, AZ
About Dr. Clark D York Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLARK D YORK DO (NPI 1326069980) is an individual emergency medicine provider in Phoenix, Arizona, licensed in Arizona (2697) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Clark D York Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Clark York reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 153 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 267 clinicians in this Medicare group
Yuma, AZ 85364
- Reassigned Medicare billing, Arizona enrollment
- 141 clinicians in this Medicare group
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 85027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Clark York's NPI number?
The NPI number for Clark York is 1326069980. It was assigned to this individual provider in the NPPES registry on July 21, 2006.
Where is Clark York located?
Clark York practices at 19829 N 27th Ave, Phoenix, AZ 85027. The listed phone number is (623) 879-6100.
What is Clark York's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Clark York enrolled in Medicare?
Yes. Clark York is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Clark York's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clark York reassigns Medicare benefits to 3 organizations: Emcare - Pnx Emergency Physicians LLC (Phoenix, AZ), Honorhealth (Phoenix, AZ) and 303 Emergency Physicians PLLC (Yuma, AZ). 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 Clark York's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clark York accept?
Health plans from Blue Cross Blue Shield of Arizona list Clark York as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Clark York was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.