JOHN C YORK MD
NPI 1891884003
Allergy & Immunology in El Paso, TX
About John C York Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN C YORK MD (NPI 1891884003) is an individual allergy & immunology provider in El Paso, Texas, licensed in Texas (H4812) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John C York Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John York reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
El Paso, TX 79912
- Reassigned Medicare billing, Texas enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 14
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
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 John York's NPI number?
The NPI number for John York is 1891884003. It was assigned to this individual provider in the NPPES registry on October 12, 2006.
Where is John York located?
John York practices at 6633 North Mesa Suite 101, El Paso, TX 79912. The listed phone number is (915) 584-9675.
What is John York's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is John York enrolled in Medicare?
Yes. John York is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John York's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John York reassigns Medicare benefits to John C York, MD, PA (El Paso, TX). 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 John York's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John York accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list John 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 John York was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# John C York, MD · NPI 1891884003
Allergy & Immunology physician in El Paso, Texas. Individual provider, active in the CMS NPPES registry since October 12, 2006.
## Identity
- **NPI:** 1891884003 (Entity type: Individual)
- **Enumerated:** October 12, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** H4812 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6633 NORTH MESA, SUITE 101, El Paso, TX 79912
- **Phone:** (915) 584-9675 · **Fax:** (915) 581-9628
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** John C York, MD, PA (NPI 1598854713, El Paso, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 1987
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other H4812 (TX); Other 00497X (TX); Medicaid 1341224-08 (TX); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1891884003) · Data from the CMS NPPES public registry.