Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIANNA A TOLHURST FNP
NPI 1821808155
Nurse Practitioner in Rock Springs, WY

Q: What is Marianna Tolhurst's NPI number?

The NPI number for Marianna Tolhurst is 1821808155. It was assigned to this individual provider in the NPPES registry on January 9, 2025.

Q: What is Marianna Tolhurst's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Marianna Tolhurst was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 09, 2025PECOS Enrolled

1180 COLLEGE DR, ROCK SPRINGS, WY 82901(307) 382-2234(307) 352-5344 Get Directions Write a Review

NPPES record last updated: July 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 22, 2026, Oct 8, 2025, Jan 9, 2025 (3 updates tracked since 2025).

On this page

About Marianna A Tolhurst Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIANNA A TOLHURST FNP (NPI 1821808155) is an individual nurse practitioner in Rock Springs, Wyoming, licensed in Wyoming (57716) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS, maintains a secondary practice location in Afton, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1821808155

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARIANNA A TOLHURSTCredential: FNP

Location Address1180 COLLEGE DRRock Springs, WY 82901-5863

Mailing Address1180 College DrRock Springs, WY 82901-5863 · (307) 382-2234 · Fax (307) 352-5344

Phone(307) 382-2234

Fax(307) 352-5344

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateJanuary 9, 2025

Last NPPES UpdateJuly 22, 20263 updates tracked since enumeration

NPPES CertifiedJuly 22, 2026

✔ NPI 1821808155 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in WY · 57716

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1180 COLLEGE DR, Rock Springs, WY 82901

Open in Google Maps ↗

Secondary Practice Location 1

Location 1770 S Washington St Ste BAfton, WY 83110-5135 · Phone (307) 885-7583 · Fax (307) 885-7584

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marianna A Tolhurst Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305320714

PECOS Enrollment IDI20260324002891

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$87.12 typical visit price

range $56.42 – $170.72

Typical copayment $21.78 (range $14.10 – $42.68)

Most-billed visit code 99203

Established Patient

$99.46 typical visit price

range $18.19 – $139.32

Typical copayment $24.86 (range $4.54 – $34.83)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TONY G PEDRI MD

Orthopaedic Surgery

1180 COLLEGE DR
ROCK SPRINGS, WY 82901

Sweetwater County (307) 212-7770

MELINDA J. POYER D.O.

Family Medicine

1180 COLLEGE DR, SUITE 3-2
ROCK SPRINGS, WY 82901

Sweetwater County (307) 362-0083

KYLE J HOFFMAN MD

Surgery

1180 COLLEGE DR
ROCK SPRINGS, WY 82901

Sweetwater County (307) 352-8192

DR. JEFFERY D WHEELER MD

Obstetrics & Gynecology

1180 COLLEGE DR
ROCK SPRINGS, WY 82901

Sweetwater County (307) 352-8383

DR. DAVID A LIU MD, DDS

Otolaryngology

1180 COLLEGE DR
ROCK SPRINGS, WY 82901

Sweetwater County (307) 212-7738

PRACHI R PAWAR MD

Psychiatry & Neurology (Neurology)

1180 COLLEGE DR
ROCK SPRINGS, WY 82901

Sweetwater County (307) 212-7570

EMILY C JAMES APRN-CNP

Nurse Practitioner (Family)

1180 COLLEGE DR
ROCK SPRINGS, WY 82901

Sweetwater County (307) 352-8383

DR. SIGSBEE W DUCK MD

Otolaryngology (Otolaryngic Allergy)

1180 COLLEGE DR
ROCK SPRINGS, WY 82901

Sweetwater County (307) 212-7738

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marianna Tolhurst's NPI number?

The NPI number for Marianna Tolhurst is 1821808155. It was assigned to this individual provider in the NPPES registry on January 9, 2025.

Where is Marianna Tolhurst located?

Marianna Tolhurst practices at 1180 College Dr, Rock Springs, WY 82901. The listed phone number is (307) 382-2234.

What is Marianna Tolhurst's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Marianna Tolhurst enrolled in Medicare?

Yes. Marianna Tolhurst is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Marianna Tolhurst was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.