Doctor profile · Federal record
Dr. Christian Witherell, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Southold, NY
- NPI 1144948175
- Accepts Medicare
- MIPS 91.4 / 100 · 2023
- 4 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
19995 Soundview Ave
Southold, NY 119712820
(631) 335-5541
fax (631) 939-2006
Credentials & registration
- NPI registered
- August 2022 — 4 yrs on file
- Profile last updated
- April 15, 2025
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- New York #404304
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144948175. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,169
Distinct HCPCS
8
Medicare allowed
$138,807
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99350 |
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 398 | 84 | $180 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 354 | 95 | $65 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 100 | 23 | $115 | |
90836 |
Psychotherapy with evaluation and management visit, 45 minutes | 97 | 47 | $82 | |
99344 |
Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | 77 | 77 | $138 | |
96130 |
Evaluation of psychological test, first hour | 75 | 75 | $113 | |
96136 |
Administration of psychological or neuropsychological test, first 30 minutes | 48 | 29 | $41 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 20 | 20 | $185 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 121. This provider delivers 9.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
334
Patients
61
Total drug cost
$7,963
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Escitalopram Oxalate | Generic | 92 | 33 | $1,275 |
| Clonazepam | Generic | 30 | 0 | $220 |
| Trazodone Hcl | Generic | 29 | 13 | $345 |
| Mirtazapine | Generic | 28 | 15 | $986 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 25 | 0 | $211 |
| Lamotrigine | Generic | 23 | 0 | $183 |
| Sertraline Hcl | Generic | 21 | 0 | $179 |
| Quetiapine Fumarate | Generic | 20 | 0 | $437 |
| Risperidone | Generic | 17 | 0 | $242 |
| Aripiprazole | Generic | 15 | 0 | $2,170 |
Frequently asked questions
What is Dr. Christian Witherell's medical specialty?
Dr. Christian Witherell practices Psychiatric/Mental Health Nurse Practitioner in Southold, NY.
Where does Dr. Christian Witherell practice?
Dr. Christian Witherell practices at 19995 Soundview Ave, Southold, NY 119712820. Office phone: 6313355541.
What is Dr. Christian Witherell's NPI?
Dr. Christian Witherell's National Provider Identifier (NPI) is 1144948175, issued by NPPES.
Does Dr. Christian Witherell accept Medicare assignment?
Yes. Dr. Christian Witherell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christian Witherell commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with high level of medical decision making (HCPCS 99350); Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.