What is J Marr's NPI number?

J Marr's National Provider Identifier (NPI) is 1801874151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is J Marr's specialty?

J Marr is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is J Marr located?

J Marr's practice location on file with NPPES is 501 S Burma Ave, Gillette, WY 82716-3426.

What is J Marr's phone number?

The practice phone number listed in the NPPES registry for J Marr is (307) 688-1100.

Does J Marr accept Medicare?

J Marr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is J Marr's NPI active?

Yes — J Marr's NPI (1801874151) is active in the NPPES registry as of the last update on 2020-10-21.

IndividualActiveAccepts Medicare

J Marr, MD

NPI 1801874151 · Emergency Medicine Physician · Gillette, WY

Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

J Marr, MD is a Emergency Medicine Physician provider in Gillette, WY (NPI 1801874151).

Provider details

NPI number: 1801874151
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: DR.0033361 (CO)

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense 6311A (WY)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense DR.0033361 (CO)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense 33361 (CO)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(95/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

501 S Burma Ave

Gillette, WY 82716-3426

Phone: (307) 688-1100

Street-level locationGet directions

More WY providers

Mailing address

3192 W 151st Ct

Broomfield, CO 80023-9430

Additional practice locations (1)

9191 Grant St.
Thornton, CO 80229-8812
Phone: (303) 450-4482
Fax: (303) 306-7753

Enumerated: 2006-01-06
Last updated: 2020-10-21
Certified: 2020-10-21

Frequently asked questions

What is J Marr's NPI number?: J Marr's National Provider Identifier (NPI) is 1801874151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is J Marr's specialty?: J Marr is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
Where is J Marr located?: J Marr's practice location on file with NPPES is 501 S Burma Ave, Gillette, WY 82716-3426.
What is J Marr's phone number?: The practice phone number listed in the NPPES registry for J Marr is (307) 688-1100.
Does J Marr accept Medicare?: J Marr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is J Marr's NPI active?: Yes — J Marr's NPI (1801874151) is active in the NPPES registry as of the last update on 2020-10-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.