Doctor profile · Federal record
Dr. Carolyn Koppenol, M.D.
Psychiatry Physician (CMS: Psychiatry) · Hillman, MI
- NPI 1003964255
- Accepts Medicare
- 48 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
15774 State Street
Hillman, MI 497460427
(989) 742-4583
fax (989) 742-2183 - Mailing address
-
Po Box 427
Hillman, MI 497460427
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- October 9, 2012
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Michigan #4301046030
- Medicaid
- MI #5104939
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003964255. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
109
Distinct HCPCS
2
Medicare allowed
$10,767
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 97 | 28 | $100 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $86 |
In context: peer comparison
Among 1 peers in Hillman Psychiatry Physician, average services per provider: 54. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,078
Patients
149
Total drug cost
$27,049
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 163 | 36 | $3,423 |
| Clonazepam | Generic | 110 | 15 | $968 |
| Quetiapine Fumarate | Generic | 105 | 14 | $3,232 |
| Lamotrigine | Generic | 94 | 18 | $1,720 |
| Bupropion Xl (Bupropion Hcl) | Brand | 83 | 20 | $3,752 |
| Alprazolam | Generic | 80 | 13 | $390 |
| Aripiprazole | Generic | 58 | 0 | $2,183 |
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 55 | 0 | $2,416 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 53 | 0 | $3,272 |
| Olanzapine | Generic | 53 | 0 | $1,525 |
Frequently asked questions
What is Dr. Carolyn Koppenol's medical specialty?
Dr. Carolyn Koppenol practices Psychiatry Physician in Hillman, MI.
Where does Dr. Carolyn Koppenol practice?
Dr. Carolyn Koppenol practices at 15774 State Street, Hillman, MI 497460427. Office phone: 9897424583.
What is Dr. Carolyn Koppenol's NPI?
Dr. Carolyn Koppenol's National Provider Identifier (NPI) is 1003964255, issued by NPPES.
Does Dr. Carolyn Koppenol accept Medicare assignment?
Yes. Dr. Carolyn Koppenol accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolyn Koppenol 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.