NPPES file of Aug 9, 2026

Eric Gillies, NP

Family Nurse Practitioner · Casper, WY

Eric Gillies, NP is a family nurse practitioner with a practice address in Casper, Wyoming, and NPI 1417620618, issued on Jul 26, 2021. Check the license (Wyoming 50974, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417620618
Name
Eric Gillies
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
50974 WY
40289 WY
Self-reported in NPPES; status is on the state search
Practice location
1441 Wilkins Cir, Casper, WY 82601
Phone
(307) 233-2700
Enumerated
Jul 26, 2021
Record last updated
Dec 11, 2024
Fax
(307) 472-2883
Medicare enrollment
Enrolled (PECOS I20230227001814); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 family nurse practitioner records → All 456 in Wyoming → Look up another NPI →

Also registered at 1441 Wilkins Cir

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

  1. Chad Cooper, M.D.Gastroenterology Physician1770876229
  2. Steven Coxe, PA-CMedical Physician Assistant1962635300
  3. Lacey Martin, PA-CPhysician Assistant1639887011
  4. Jamie MosbruckerFamily Nurse Practitioner1669822201
  5. Tracy Robbins, NPCFamily Nurse Practitioner1265617724
  6. Molly Rodrick, FNP- BCNurse Practitioner1497443089

Verify Eric Gillies 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 50974    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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51% fewer Medicare Part D claims than the average family nurse practitioner in 2024

638 Medicare Part D claims for 292 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Eric Gillies638
  2. Specialty average1,305

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf113 claims
  2. Pantoprazole Sodium94 claims
  3. Omeprazole84 claims
  4. Famotidine65 claims
  5. Cholestyramine34 claims
  6. Creon24 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.

Industry payments in 2024: $14.51

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Gillies$14.51
  2. Specialty average$650.95

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

Bills Medicare through one group practice

  1. Gastroenterology Associates PCCasper, WY

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

Eric Gillies among 456 family nurse practitioner records in Wyoming

Eric Gillies, NP is one of 456 family nurse practitioner records with a practice address in Wyoming. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 71% of them.

  • NPI issued2021 · 71% of these records are older, 23% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2022 · median 2018 among the 290 with a school on file
  • Record last updated2024 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

76 family nurse practitioner records list a practice address in Casper

They are 76 of the 1,924 NPPES records with a practice address in Casper, and 456 family nurse practitioner records in Wyoming.

All 456 in Wyoming → Every provider in Casper → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Leigh Earle, M.S. A.P.R.N. B.C.Casper, WY 826011093921504
  2. Mary Hager, MS FNPCasper, WY 826011003994484
  3. Tia Hansuld (welch), FNPCasper, WY 826011760572630
  4. Velvet Hiser, FNP-CCasper, WY 826011669750394
  5. Marsha Johnson, FNP BCCasper, WY 826011164679254
  6. Anna KnoppCasper, WY 826011245436609
  7. Catherine Monhollen, APRNCasper, WY 826011841306537
  8. Peggy Murphy, FNP-C, PMHNPBCCasper, WY 826011457547127

Common questions

What is Eric Gillies, NP's NPI number?

Eric Gillies, NP's National Provider Identifier (NPI) is 1417620618, issued on Jul 26, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Eric Gillies, NP located?

The NPPES record lists a practice address at 1441 Wilkins Cir, Casper, WY, 82601. Phone: (307) 233-2700. Providers update this record themselves, so call before visiting.

How can I verify Eric Gillies, NP's license?

NPPES lists Wyoming license number 50974, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

How much does Eric Gillies, NP prescribe under Medicare Part D?

In 2024, Eric Gillies, NP had 638 Medicare Part D claims for 292 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.