Carolin A. Cassel, FNP
Psychiatric/Mental Health Nurse Practitioner · Billings, MT
Carolin A. Cassel, FNP is a psychiatric/mental health nurse practitioner with a practice address in Billings, Montana, and NPI 1154330397, issued on Aug 5, 2006. Check the license (Montana NUR-RN-LIC-14157, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carolin A. Cassel
- Credential
- FNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- NUR-RN-LIC-14157 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1245 N 29TH, Billings, MT 59101
- Phone
- (406) 252-5658
- Enumerated
- Aug 5, 2006
- Record last updated
- May 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (406) 252-4641
- Medicaid ID
- 4303550 MT
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 243 in Montana → Look up another NPI →
Also registered at 1245 N 29TH
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carolin A. Cassel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license NUR-RN-LIC-14157Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
46 Medicare Part D claims for 18 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
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.
Carolin A. Cassel among 243 psychiatric/mental health nurse practitioner records in Montana
Carolin A. Cassel, FNP is one of 243 psychiatric/mental health nurse practitioner records with a practice address in Montana. 70% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 93% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2015 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Montana
There are 243 psychiatric/mental health nurse practitioner records in Montana.
All 243 in Montana → Every provider in Billings → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Vicki Boling, APRNBillings, MT 591011396731287
- Ashley Cooper, PMHNP-BCBillings, MT 591011841880606
- Erica Eisenberg, NPBillings, MT 591011699414540
- Lisa ElsberryBillings, MT 591011801516513
- Diane Goedde, MSNBillings, MT 591011922110998
- Diane Hurd, APRN, PMHNPBillings, MT 591011689165789
- Emmaline Jackson, NPBillings, MT 591011003489618
- Janfried Kemmerer, APRNBillings, MT 591011932109477
Common questions
What is Carolin A. Cassel, FNP's NPI number?
Carolin A. Cassel, FNP's National Provider Identifier (NPI) is 1154330397, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carolin A. Cassel, FNP located?
The NPPES record lists a practice address at 1245 N 29TH, Billings, MT, 59101. Phone: (406) 252-5658. Providers update this record themselves, so call before visiting.
How can I verify Carolin A. Cassel, FNP's license?
NPPES lists Montana license number NUR-RN-LIC-14157, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Carolin A. Cassel, FNP prescribe under Medicare Part D?
In 2024, Carolin A. Cassel, FNP had 46 Medicare Part D claims for 18 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.