Trenell Darby, DNP
NPI 1619413960 · Nurse Practitioner · Madison, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trenell Darby, DNP is a Nurse Practitioner provider in Madison, WI (NPI 1619413960).
Provider details
- NPI number
- 1619413960
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP
- Sex
- Male
- Sole proprietor
- No
- License
- 7530 - 33 (WI)
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
9 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
220 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 58 | $72 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 47 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $102 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 17 | $8 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 16 | $45 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 17 | — |
| Ondansetronbrand: Ondansetron Odt | 16 | — |
| Azithromycin | 13 | 12 |
| Semaglutidebrand: Ozempic | 13 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 12 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-01-10
- Last updated
- 2017-01-10
Frequently asked questions
- What is Trenell Darby's NPI number?
- Trenell Darby's National Provider Identifier (NPI) is 1619413960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trenell Darby's specialty?
- Trenell Darby is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Trenell Darby located?
- Trenell Darby's practice location on file with NPPES is 1705 Hoffman St, Madison, WI 53704-2510.
- What is Trenell Darby's phone number?
- The practice phone number listed in the NPPES registry for Trenell Darby is (608) 441-3220.
- Does Trenell Darby accept Medicare?
- Trenell Darby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trenell Darby's NPI active?
- Yes — Trenell Darby's NPI (1619413960) is active in the NPPES registry as of the last update on 2017-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.