JOHN MARK WESTFALL M.D.
NPI 1790788297
Family Medicine in Limon, CO
About John Mark Westfall M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MARK WESTFALL M.D. (NPI 1790788297) is an individual family medicine provider in Limon, Colorado, licensed in Idaho (8071680) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1991).
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 and accepts Medicare assignment
John Mark Westfall M.d. 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 Reassignments
2Medicare enrollment records show John Westfall reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Akron, CO 80720
- Reassigned Medicare billing, Colorado enrollment
- Also billed through NPI 1629074182 (Colorado)
- 41 clinicians in this Medicare group
Boise, ID 83704
- Reassigned Medicare billing, Idaho enrollment
- 152 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 80828 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 14
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 Westfall's NPI number?
The NPI number for John Westfall is 1790788297. It was assigned to this individual provider in the NPPES registry on May 27, 2005.
Where is John Westfall located?
John Westfall practices at 820 1st Street, Limon, CO 80828. The listed phone number is (719) 775-2367.
What is John Westfall's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Westfall enrolled in Medicare?
Yes. John Westfall 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 organizations bill Medicare for John Westfall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Westfall reassigns Medicare benefits to 2 organizations: Yuma District Hospital (Akron, CO) and Full Circle Health, Inc. (Boise, ID). 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 John Westfall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Westfall accept?
Health plans from PacificSource Health Plans, Providence Health Plan and Select Health list John Westfall 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 Westfall was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.