Doctor profile · Federal record

Dr. Christopher Witkowski, APRN PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Johnson City, TN

  • NPI 1801448584
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8 Parwood CT
Johnson City, TN 376012179
(423) 534-8732

Credentials & registration

NPPES · NUCC
NPI registered
July 2019 — 7 yrs on file
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Tennessee #25911

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801448584. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,057
Distinct HCPCS
7
Medicare allowed
$179,876
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 585 263 $59
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 537 222 $84
90792 Psychiatric diagnostic evaluation with medical services 405 394 $139
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 267 127 $59
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 175 77 $84
90792 Psychiatric diagnostic evaluation with medical services 76 70 $158
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 12 11 $121

In context: peer comparison

Among 6 peers in this city , average services per provider: 220. This provider delivers 9.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,674
Patients
331
Total drug cost
$33,787
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 611 44 $3,244
Quetiapine Fumarate Generic 492 33 $4,567
Buspirone Hcl Generic 391 37 $2,923
Escitalopram Oxalate Generic 280 25 $2,191
Olanzapine Generic 250 11 $2,214
Sertraline Hcl Generic 250 23 $1,485
Alprazolam Generic 235 42 $1,772
Duloxetine Hcl Generic 181 14 $5,463
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 170 0 $1,187
Divalproex Sodium Generic 161 15 $3,259

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Witkowski's medical specialty?
Dr. Christopher Witkowski practices Psychiatric/Mental Health Nurse Practitioner in Johnson City, TN.
Where does Dr. Christopher Witkowski practice?
Dr. Christopher Witkowski practices at 8 Parwood CT, Johnson City, TN 376012179. Office phone: 4235348732.
What is Dr. Christopher Witkowski's NPI?
Dr. Christopher Witkowski's National Provider Identifier (NPI) is 1801448584, issued by NPPES.
Does Dr. Christopher Witkowski accept Medicare assignment?
Yes. Dr. Christopher Witkowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Witkowski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.