Stephanie Williams, NP
NPI 1598263352 · Nurse Practitioner · Willcox, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Williams, NP is a Nurse Practitioner provider in Willcox, AZ (NPI 1598263352).
Provider details
- NPI number
- 1598263352
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- AP11241 (AZ)
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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
385 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 Moderate Level of Medical Decision Making99284 | 204 | $104 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 116 | $150 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 40 | $7 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 25 | $62 |
Typical Medicare-allowed amounts for these services range $7–$150 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 55 | 53 |
| Ibuprofen | 54 | 54 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 50 | 50 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 35 | 35 |
| Gabapentin | 33 | 33 |
| Ondansetronbrand: Ondansetron Odt | 32 | 31 |
| Celecoxib | 28 | 28 |
Practice location
Mailing address
Additional practice locations (2)
- 2200 S Houghton RdTucson, AZ 85748-7632Phone: (520) 543-6100Fax: (629) 216-0562
- 601 W 2nd StBloomington, IN 47403-2317Phone: (812) 353-9515
Registry dates
- Enumerated
- 2018-01-26
- Last updated
- 2022-08-02
- Certified
- 2022-08-02
Frequently asked questions
- What is Stephanie Williams's NPI number?
- Stephanie Williams's National Provider Identifier (NPI) is 1598263352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Williams's specialty?
- Stephanie Williams is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Williams located?
- Stephanie Williams's practice location on file with NPPES is 901 W Rex Allen Dr, Willcox, AZ 85643-1009.
- What is Stephanie Williams's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Williams is (520) 384-3541.
- Does Stephanie Williams accept Medicare?
- Stephanie Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Williams's NPI active?
- Yes — Stephanie Williams's NPI (1598263352) is active in the NPPES registry as of the last update on 2022-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.