DONALD DEAN REGIER M.D.
NPI 1164439535
Family Medicine in Julesburg, CO
About Donald Dean Regier M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONALD DEAN REGIER M.D. (NPI 1164439535) is an individual family medicine provider in Julesburg, Colorado, licensed in Colorado (28853) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Sidney Regional Medical Center, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1985).
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
Donald Dean Regier 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 Reassignment
Medicare enrollment records show Donald Regier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Julesburg, CO 80737
- Reassigned Medicare billing, Colorado enrollment
- 7 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.
Areas of Expertise CMS Part B claims 10
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sidney Regional Medical Center
Critical Access Hospitals · Sidney, NEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80737 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 20
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 3
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 Donald Regier's NPI number?
The NPI number for Donald Regier is 1164439535. It was assigned to this individual provider in the NPPES registry on August 1, 2006.
Where is Donald Regier located?
Donald Regier practices at 116 E 9th St, Julesburg, CO 80737. The listed phone number is (970) 474-3376.
What is Donald Regier's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Donald Regier enrolled in Medicare?
Yes. Donald Regier 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 Donald Regier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Regier reassigns Medicare benefits to Sedgwick County Memorial Hospital (Julesburg, CO). 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 Donald Regier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Donald Regier accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross and Blue Shield of Nebraska and Oscar Insurance Company list Donald Regier 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.
Is Donald Regier affiliated with any hospitals?
According to CMS data, Donald Regier is affiliated with Sidney Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Donald Regier 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.