J JOSEPH MARR III MD
NPI 1801874151
Emergency Medicine in Gillette, WY
About J Joseph Marr Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
J JOSEPH MARR III MD (NPI 1801874151) is an individual emergency medicine provider in Gillette, Wyoming, licensed in Wyoming (6311A) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Thornton.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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)
J Joseph Marr Iii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show J Marr reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gillette, WY 82716
- Reassigned Medicare billing, Wyoming enrollment
- 285 clinicians in this Medicare group
Denver, CO 80231
- Reassigned Medicare billing, Colorado enrollment
- 219 clinicians in this Medicare group
Denver, CO 80231
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Carepoint PC
- 99 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 82716 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GILLETTE, WY 82716
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 J Marr's NPI number?
The NPI number for J Marr is 1801874151. It was assigned to this individual provider in the NPPES registry on January 6, 2006. The provider is also known as James J. Marr, III MD.
Where is J Marr located?
J Marr practices at 501 S Burma Ave, Gillette, WY 82716. The listed phone number is (307) 688-1100.
What is J Marr's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is J Marr enrolled in Medicare?
Yes. J Marr is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for J Marr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), J Marr reassigns Medicare benefits to 3 organizations: Campbell County Hospital District (Gillette, WY), Carepoint Emergency Medicine, PLLC (Denver, CO) and Carepoint P.C. (Denver, CO). 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 J Marr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does J Marr accept?
Health plans from Blue Cross Blue Shield of Wyoming list J Marr 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 J Marr was last updated on October 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# J Joseph Marr III, MD · NPI 1801874151
Emergency Medicine physician in Gillette, Wyoming. Individual provider, active in the CMS NPPES registry since January 6, 2006.
## Identity
- **NPI:** 1801874151 (Entity type: Individual)
- **Enumerated:** January 6, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 6311A (Wyoming)
- **Sole proprietor:** No
## Practice location
- **Address:** 501 S BURMA AVE, Gillette, WY 82716-3426
- **Phone:** (307) 688-1100
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Campbell County Hospital District (NPI 1013293745, Gillette, WY); Carepoint Emergency Medicine, PLLC (NPI 1134590318, Denver, CO); Carepoint P.C. (NPI 1275516346, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 21, 2020
- **Other identifiers:** Medicaid 36076864 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1801874151) · Data from the CMS NPPES public registry.