Doctor profile · Federal record
Dr. Charles Kohnken, APRN, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Psychiatric/Mental Health Nurse Practitioner · Psychiatric/Mental Health Nurse Practitioner · Nurse Practitioner · Hillsboro, OR
- NPI 1306399027
- Accepts Medicare
- 10 yrs in practice
- Licensed in 3 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 5 locations .
- Primary practice
-
535 Se Washington St
Hillsboro, OR 971234142
(503) 755-6703
fax (503) 755-6704 - Additional location
-
13067 N Telecom Pkwy
Temple Terrace, FL 336370926
(813) 779-6303
fax (888) 977-1998 - Additional location
-
1951 Nw 7Th Ave Ste 300
Miami, FL 331361112
(813) 924-6468 - Additional location
-
395 Sw Bluff Dr Ste 10
Bend, OR 977021670 - Additional location
-
2273 E Wilcox Dr
Sierra Vista, AZ 856352755
(520) 226-0560 - Mailing address
-
833 Callista Cay Loop
Tarpon Springs, FL 346890002
Show 2 more locations
Credentials & registration
- NPI registered
- July 2016 — 10 yrs on file
- Profile last updated
- April 9, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State licenses (4)
- Oregon #10035421 · Arizona #AP11291 · Florida #APRN 9331526 · Florida #APRN9331526
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306399027. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
124
Distinct HCPCS
3
Medicare allowed
$11,326
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 59 | 34 | $58 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 44 | 27 | $105 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 21 | 20 | $158 |
In context: peer comparison
Among 4 peers in Hillsboro Psychiatric/Mental Health Nurse Practitioner, average services per provider: 85. This provider delivers 1.5× the peer median.Open Payments
Industry payments received
All-time total
$31
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 2 | $31.38 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,693
Patients
320
Total drug cost
$89,547
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 352 | 48 | $7,264 |
| Quetiapine Fumarate | Generic | 262 | 34 | $15,986 |
| Risperidone | Generic | 245 | 23 | $5,285 |
| Buspirone Hcl | Generic | 235 | 30 | $7,749 |
| Benztropine Mesylate | Generic | 218 | 27 | $3,411 |
| Sertraline Hcl | Generic | 192 | 25 | $4,412 |
| Lamotrigine | Generic | 180 | 18 | $3,045 |
| Escitalopram Oxalate | Generic | 147 | 16 | $3,635 |
| Fluoxetine Hcl | Generic | 142 | 15 | $4,202 |
| Hydroxyzine Hcl | Generic | 135 | 20 | $4,178 |
Frequently asked questions
What is Dr. Charles Kohnken's medical specialty?
Dr. Charles Kohnken practices Psychiatric/Mental Health Nurse Practitioner in Hillsboro, OR.
Where does Dr. Charles Kohnken practice?
Dr. Charles Kohnken practices at 535 Se Washington St, Hillsboro, OR 971234142. Office phone: 5037556703.
What is Dr. Charles Kohnken's NPI?
Dr. Charles Kohnken's National Provider Identifier (NPI) is 1306399027, issued by NPPES.
Does Dr. Charles Kohnken accept Medicare assignment?
Yes. Dr. Charles Kohnken accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Kohnken commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.