Doctor profile · Federal record
Dr. Carolin Cassel, FNP
Psychiatric/Mental Health Nurse Practitioner · Billings, MT
- NPI 1154330397
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1245 N 29Th
Billings, MT 591010219
(406) 252-5658
fax (406) 252-4641
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- May 22, 2015
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- Montana #NUR-RN-LIC-14157
- Medicaid
- MT #4303550
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154330397. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
44
Distinct HCPCS
2
Medicare allowed
$4,174
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 17 | $108 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 17 | $76 |
In context: peer comparison
Among 7 peers in Billings Psychiatric/Mental Health Nurse Practitioner, average services per provider: 38. This provider delivers 1.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,202
Patients
82
Total drug cost
$176,385
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 146 | 22 | $757 |
| Clozapine | Generic | 128 | 0 | $6,746 |
| Trazodone Hcl | Generic | 117 | 20 | $1,304 |
| Olanzapine | Generic | 94 | 15 | $1,526 |
| Risperidone | Generic | 91 | 11 | $1,467 |
| Bupropion Xl (Bupropion Hcl) | Brand | 82 | 14 | $2,898 |
| Benztropine Mesylate | Generic | 71 | 0 | $715 |
| Duloxetine Hcl | Generic | 70 | 0 | $5,051 |
| Aripiprazole | Generic | 62 | 0 | $13,435 |
| Fluoxetine Hcl | Generic | 61 | 0 | $557 |
Frequently asked questions
What is Dr. Carolin Cassel's medical specialty?
Dr. Carolin Cassel practices Psychiatric/Mental Health Nurse Practitioner in Billings, MT.
Where does Dr. Carolin Cassel practice?
Dr. Carolin Cassel practices at 1245 N 29Th, Billings, MT 591010219. Office phone: 4062525658.
What is Dr. Carolin Cassel's NPI?
Dr. Carolin Cassel's National Provider Identifier (NPI) is 1154330397, issued by NPPES.
What procedures does Dr. Carolin Cassel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.