NPPES file of Aug 9, 2026

Marianna A. Tolhurst, FNP

Nurse Practitioner · Rock Springs, WY

Marianna A. Tolhurst, FNP is a nurse practitioner with a practice address in Rock Springs, Wyoming, and NPI 1821808155, issued on Jan 9, 2025. Check the license (Wyoming 57716, as entered in NPPES) with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821808155
Name
Marianna A. Tolhurst
Credential
FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
57716 WY
Self-reported in NPPES; status is on the state search
Practice location
1180 College Dr, Rock Springs, WY 82901
Phone
(307) 382-2234
Enumerated
Jan 9, 2025
Record last updated
Jul 22, 2026
Fax
(307) 352-5344
Medicare enrollment
Enrolled (PECOS I20260324002891); accepts Medicare assignment
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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8 nearest nurse practitioner records → All 112 in Wyoming → Look up another NPI →

Also registered at 1180 College Dr

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

  1. Peter Allyn, M.D.Obstetrics & Gynecology Physician1801991013
  2. Joshua Binks, M.D.Radiation Oncology Physician1699161182
  3. Cody Christensen, DOUrology Physician1962765586
  4. Brianne Crofts, MDSurgery Physician1457475451
  5. Monica Crothers, RNRegistered Nurse1568285351
  6. Wallace Curry, M.D.Urology Physician1407892482

Verify Marianna A. Tolhurst in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
    Search for license 57716    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
Find the Wyoming license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Memorial Hospital OF Sweetwater CountyRock Springs, WY

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

Marianna A. Tolhurst among 112 nurse practitioner records in Wyoming

Marianna A. Tolhurst, FNP is one of 112 nurse practitioner 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 2025, is newer than 94% of them.

  • NPI issued2025 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2025 · median 2017 among the 68 with a school on file
  • Record last updated2026 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Wyoming

There are 112 nurse practitioner records in Wyoming.

All 112 in Wyoming → Every provider in Rock Springs → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Ibukun Ojifinni, ARNPRock Springs, WY 829011316449275
  2. Kimberly Begalla, CFNPEvanston, WY 829301174563241
  3. Jacob Jamsa, APRNGreen River, WY 829351346960085
  4. Lauri Morgan, NPLyman, WY 829371568804664
  5. Molly Nafziger, FNPBuffalo, WY 828341467117739
  6. Serge AndreyeffSheridan, WY 828011417841909
  7. Colby Butler, APRN, NP-CSheridan, WY 828011437401494
  8. Kerry Carr, FNPJackson, WY 830011285716746

Common questions

What is Marianna A. Tolhurst, FNP's NPI number?

Marianna A. Tolhurst, FNP's National Provider Identifier (NPI) is 1821808155, issued on Jan 9, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Marianna A. Tolhurst, FNP located?

The NPPES record lists a practice address at 1180 College Dr, Rock Springs, WY, 82901. Phone: (307) 382-2234. Providers update this record themselves, so call before visiting.

How can I verify Marianna A. Tolhurst, FNP's license?

NPPES lists Wyoming license number 57716, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.