NPPES file of Aug 9, 2026

Holly Marie Williams, MD

Emergency Medicine Physician · Worland, WY

Holly Marie Williams, MD is an emergency medicine physician with a practice address in Worland, Wyoming, and NPI 1184935041, issued on Jun 25, 2010. Check the license 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
1184935041
Name
Holly Marie Williams
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
5520946-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
400 South 15TH Street, Worland, WY 82401
Phone
(307) 347-5810
Enumerated
Jun 25, 2010
Record last updated
May 6, 2026
Fax
(307) 347-5808
Medicare enrollment
Enrolled (PECOS I20190307000869); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 2010
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 400 South 15TH Street

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

  1. Sameh Abuerreish, MDHematology & Oncology Physician1447246202
  2. Brett Argeris, PACPhysician Assistant1790764520
  3. John Bramble, MDDiagnostic Radiology Physician1588662951
  4. Jeffery Butte, DOSurgery Physician1033174198
  5. Craig Lauer, MDFamily Medicine Physician1124049333
  6. Diane Noton, MDFamily Medicine Physician1588656136

Verify Holly Marie Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of MedicineCheck 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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49% fewer Medicare Part D claims than the average emergency medicine physician in 2024

116 Medicare Part D claims for 90 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Holly Williams116
  2. Specialty average226

Most prescribed

  1. Cephalexin19 claims
  2. Hydrocodone-Acetaminophen17 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): 79.4 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. Qualityout of 100 · 30% of the final score57.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%99.0
  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).

One hospital affiliation

  1. Washakie Medical CenterWorland, WY · Critical Access Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

3 emergency medicine physician records list a practice address in Worland

They are 3 of the 203 NPPES records with a practice address in Worland, and 111 emergency medicine physician records in Wyoming.

Other emergency medicine physician records in Wyoming

  1. John Addlesperger, DOSheridan, WY1811036999
  2. Kathern Auer, D.O.Cheyenne, WY1043336266
  3. Benjamin Beasley, M.D.Rock Springs, WY1952450280
  4. Michael Bellamy, D.O.Powell, WY1497076152
  5. Ryan Benson, M.D.Casper, WY1023308491
  6. Grant Berry, M.D.Riverton, WY1174815021
  7. Aaron Billin, M.D.Powell, WY1447296207
  8. Marion Bishop, M.D.Evanston, WY1780708743
  9. Ragnvaldr Bjornsson, MDRock Springs, WY1851379119
  10. Karl Boehm, DOCasper, WY1952756546

Common questions

What is Holly Marie Williams, MD's NPI number?

Holly Marie Williams, MD's National Provider Identifier (NPI) is 1184935041, issued on Jun 25, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Holly Marie Williams, MD located?

The NPPES record lists a practice address at 400 South 15TH Street, Worland, WY, 82401. Phone: (307) 347-5810. Providers update this record themselves, so call before visiting.

How can I verify Holly Marie Williams, MD's license?

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 Holly Marie Williams, MD prescribe under Medicare Part D?

In 2024, Holly Marie Williams, MD had 116 Medicare Part D claims for 90 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Holly Marie Williams, MD's MIPS final score?

The 2023 MIPS final score is 79.4 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.