Catherine Monhollen, APRN
Family Nurse Practitioner · Casper, WY
Catherine Monhollen, APRN is a family nurse practitioner with a practice address in Casper, Wyoming, and NPI 1841306537, issued on Aug 22, 2006. Check the license (Wyoming 29952.1135, as entered in NPPES) with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Monhollen
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 29952.1135 WY
SP008447 PA
Self-reported in NPPES; status is on the state search - Practice location
- 770 E 2ND St, Casper, WY 82601
- Phone
- (307) 237-5510
- Enumerated
- Aug 22, 2006
- Record last updated
- May 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (307) 237-0607
- Medicaid ID
- 132716000 WY
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 456 in Wyoming → Look up another NPI →
Verify Catherine Monhollen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
Search for license 29952.1135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family nurse practitioner in 2024
76 Medicare Part D claims for 27 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol14 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.
Catherine Monhollen among 456 family nurse practitioner records in Wyoming
Catherine Monhollen, APRN 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 86% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2014 · 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
- Leigh Earle, M.S. A.P.R.N. B.C.Casper, WY 826011093921504
- Mary Hager, MS FNPCasper, WY 826011003994484
- Tia Hansuld (welch), FNPCasper, WY 826011760572630
- Velvet Hiser, FNP-CCasper, WY 826011669750394
- Marsha Johnson, FNP BCCasper, WY 826011164679254
- Anna KnoppCasper, WY 826011245436609
- Peggy Murphy, FNP-C, PMHNPBCCasper, WY 826011457547127
- Anna Parton, NPCasper, WY 826011578508511
Common questions
What is Catherine Monhollen, APRN's NPI number?
Catherine Monhollen, APRN's National Provider Identifier (NPI) is 1841306537, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Monhollen, APRN located?
The NPPES record lists a practice address at 770 E 2ND St, Casper, WY, 82601. Phone: (307) 237-5510. Providers update this record themselves, so call before visiting.
How can I verify Catherine Monhollen, APRN's license?
NPPES lists Wyoming license number 29952.1135, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Monhollen, APRN prescribe under Medicare Part D?
In 2024, Catherine Monhollen, APRN had 76 Medicare Part D claims for 27 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.
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.