Derrick Williams, RN, APRN, ACNP
NPI 1922333194 · Nurse Practitioner · Fort Wayne, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derrick Williams, RN, APRN, ACNP is a Nurse Practitioner provider in Fort Wayne, IN (NPI 1922333194).
Provider details
- NPI number
- 1922333194
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, APRN, ACNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 28139511A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
16 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
236 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 73 | $138 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 72 | $55 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 69 | $95 |
| Critical Care, First 30-74 Minutes99291 | 22 | $168 |
Typical Medicare-allowed amounts for these services range $55–$168 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 49 | 48 |
| Doxycycline Hyclate | 38 | 36 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 24 | 24 |
| Methylprednisolone | 23 | 23 |
| Cephalexin | 20 | 19 |
| Azithromycin | 17 | 17 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-10-06
- Last updated
- 2014-09-02
Frequently asked questions
- What is Derrick Williams's NPI number?
- Derrick Williams's National Provider Identifier (NPI) is 1922333194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Williams's specialty?
- Derrick Williams is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derrick Williams located?
- Derrick Williams's practice location on file with NPPES is 7950 W Jefferson Blvd, Fort Wayne, IN 46804-4140.
- What is Derrick Williams's phone number?
- The practice phone number listed in the NPPES registry for Derrick Williams is (260) 203-9600.
- Does Derrick Williams accept Medicare?
- Derrick Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derrick Williams's NPI active?
- Yes — Derrick Williams's NPI (1922333194) is active in the NPPES registry as of the last update on 2014-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.