Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Matthew Neimat, MD

Individual provider Internal Medicine Physician · NPI 1407143100

Mark Matthew Neimat, MD is an Internal Medicine in Jackson, Wyoming. Graduated from George Washington University School of Medicine in 2011, 15 years ago. Practices with Memorial Hospital of Sweetwater County, a 72-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado, Utah and Wyoming.

Years since qualifying
15
Trained at
George Washington University School of Medicine
Licensed in
CO, UT, WY
In the registry since
2011
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

625 E Broadway Ave
Jackson, WY 83001-8642
Phone: (307) 733-3636
Fax: (888) 329-5701
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1311 N Mildred Rd, Cortez, CO 81321-2231 — (970) 565-6666

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 13244411-1205 (UT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 10289A (WY)
Family Medicine Physician Taxonomy 207Q00000X · Licence CDR.3892 (CO)

Record details

NPI number1407143100
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2011
Last updated in NPPESJune 3, 2026
Certification dateJune 3, 2026
Mailing addressPo Box 428, Jackson, WY 83001-0428

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Memorial Hospital Of Sweetwater County — 72 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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