NPPES file of Aug 9, 2026

Mark Matthew Neimat, M.D.

Internal Medicine Physician · Jackson, WY

Mark Matthew Neimat, M.D. is an internal medicine physician with a practice address in Jackson, Wyoming, and NPI 1407143100, issued on Jul 1, 2011. Check the license (Wyoming 10289A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407143100
Name
Mark Matthew Neimat
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
10289A WY
13244411-1205 UT
CDR.3892 CO
Self-reported in NPPES; status is on the state search
Practice location
625 E Broadway Ave, Jackson, WY 83001
Phone
(307) 733-3636
Enumerated
Jul 1, 2011
Record last updated
Jun 3, 2026
Fax
(888) 329-5701
Medicaid ID
142001100 WY
Medicare enrollment
Enrolled (PECOS I20151109001443); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 625 E Broadway Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sharon Bailey, DNPAcute Care Nurse Practitioner1558454934
  2. Kelly Biscombe, APRNFamily Nurse Practitioner1861922122
  3. Ashley Bostyan, DNP, APRN, ACAGNP-BCAcute Care Nurse Practitioner1639724099
  4. Edward Callaghan, M.D.Anatomic Pathology & Clinical Pathology Physician1013969211
  5. Melanie Canna, OTR/LNeurorehabilitation Occupational Therapist1972232288
  6. Kerry Carr, FNPNurse Practitioner1285716746

Verify Mark Matthew Neimat in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of Medicine
    Search for license 10289A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wyoming license search

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82% fewer Medicare Part D claims than the average internal medicine physician in 2024

559 Medicare Part D claims for 141 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Mark Neimat559
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium35 claims
  2. Atorvastatin Calcium34 claims
  3. Gabapentin21 claims
  4. Lisinopril21 claims
  5. Tamsulosin Hcl18 claims
  6. Amlodipine Besylate16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $22.90

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Neimat$22.90
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Memorial Hospital OF Sweetwater CountyRock Springs, WY
  2. Rural Physicians Group-Pannu PLLCCortez, CO
  3. Southwest Health System IncCortez, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Matthew Neimat among 134 internal medicine physician records in Wyoming

Mark Matthew Neimat, M.D. is one of 134 internal medicine physician records with a practice address in Wyoming. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.

  • NPI issued2011 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2011 · median 2010 among the 77 with a school on file
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 internal medicine physician records list a practice address in Jackson

They are 14 of the 608 NPPES records with a practice address in Jackson, and 134 internal medicine physician records in Wyoming.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Cynthia Archer, MDJackson, WY 830011275629024
  2. Glenn Burnett, MDJackson, WY 830011467400747
  3. Dennis Butcher, MDJackson, WY 830011750495578
  4. Blythe Cox, PA CJackson, WY 830011003974262
  5. Jonathan Figg, MDJackson, WY 830011033535216
  6. Joy Lewis, MDJackson, WY 830011710076849
  7. Marcia Lux, MDJackson, WY 830011972531572
  8. Tiffany Milner, M. D.Jackson, WY 830011639323116

Common questions

What is Mark Matthew Neimat, M.D.'s NPI number?

Mark Matthew Neimat, M.D.'s National Provider Identifier (NPI) is 1407143100, issued on Jul 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mark Matthew Neimat, M.D. located?

The NPPES record lists a practice address at 625 E Broadway Ave, Jackson, WY, 83001. Phone: (307) 733-3636. Providers update this record themselves, so call before visiting.

How can I verify Mark Matthew Neimat, M.D.'s license?

NPPES lists Wyoming license number 10289A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Matthew Neimat, M.D. prescribe under Medicare Part D?

In 2024, Mark Matthew Neimat, M.D. had 559 Medicare Part D claims for 141 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Mark Matthew Neimat, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.