Derek Griffith, PMHNP
NPI 1841999505 · Psychiatric/Mental Health Nurse Practitioner · Pahrump, NV
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Griffith, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Pahrump, NV (NPI 1841999505).
Provider details
- NPI number
- 1841999505
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- No
- License
- 824191 (NV)
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 tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,127 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 269 | $106 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 242 | $75 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 237 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 230 | $75 |
| Psychotherapy With Evaluation and Management Visit, 1 Hour90838 | 76 | $100 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buspirone Hcl | 131 | 40 |
| Alprazolam | 104 | 25 |
| Duloxetine Hcl | 80 | 29 |
| Trazodone Hcl | 78 | 29 |
| Sertraline Hcl | 76 | 26 |
| Quetiapine Fumarate | 61 | 21 |
| Zolpidem Tartrate | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$253 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-01
- Last updated
- 2023-03-01
- Certified
- 2023-02-27
Frequently asked questions
- What is Derek Griffith's NPI number?
- Derek Griffith's National Provider Identifier (NPI) is 1841999505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Griffith's specialty?
- Derek Griffith is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derek Griffith located?
- Derek Griffith's practice location on file with NPPES is 1151 Nv-160, Pahrump, NV 89048.
- What is Derek Griffith's phone number?
- The practice phone number listed in the NPPES registry for Derek Griffith is (775) 473-5050.
- Does Derek Griffith accept Medicare?
- Derek Griffith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Griffith's NPI active?
- Yes — Derek Griffith's NPI (1841999505) is active in the NPPES registry as of the last update on 2023-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.