Christian Witherell, PMHNP-BC
NPI 1144948175 · Psychiatric/Mental Health Nurse Practitioner · Southold, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christian Witherell, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Southold, NY (NPI 1144948175).
Provider details
- NPI number
- 1144948175
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 404304 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
94 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 94 | $74 |
Typical Medicare-allowed amounts for these services range $74–$74 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluoxetine Hcl | 58 | 11 |
| Bupropion Hclbrand: Bupropion Xl | 51 | — |
| Lamotrigine | 43 | — |
| Quetiapine Fumarate | 42 | — |
| Gabapentin | 39 | 12 |
| Trazodone Hcl | 28 | — |
| Hydroxyzine Hcl | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-08-16
- Last updated
- 2025-04-15
- Certified
- 2025-04-15
Frequently asked questions
- What is Christian Witherell's NPI number?
- Christian Witherell's National Provider Identifier (NPI) is 1144948175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christian Witherell's specialty?
- Christian Witherell is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christian Witherell located?
- Christian Witherell's practice location on file with NPPES is 19995 Soundview Ave, Southold, NY 11971-2820.
- What is Christian Witherell's phone number?
- The practice phone number listed in the NPPES registry for Christian Witherell is (631) 335-5541.
- Does Christian Witherell accept Medicare?
- Christian Witherell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christian Witherell's NPI active?
- Yes — Christian Witherell's NPI (1144948175) is active in the NPPES registry as of the last update on 2025-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.