Ashley Stillwell, D.O.
NPI 1538426044 · Family Medicine Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Stillwell, D.O. is a Family Medicine Physician provider in Scottsdale, AZ (NPI 1538426044).
Provider details
- NPI number
- 1538426044
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 009110 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
687 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 355 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 136 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 61 | $14 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 41 | $23 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 32 | $126 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 159 | 56 |
| Levothyroxine Sodium | 135 | 46 |
| Atorvastatin Calcium | 82 | 32 |
| Losartan Potassium | 75 | 29 |
| Amlodipine Besylate | 61 | 24 |
| Lisinopril | 58 | 22 |
| Pantoprazole Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 300 East 3rd Street, Suite 302North Platte, NE 69101Phone: (308) 532-6906Fax: (308) 532-6964
Registry dates
- Enumerated
- 2012-04-20
- Last updated
- 2026-01-21
- Certified
- 2026-01-21
Frequently asked questions
- What is Ashley Stillwell's NPI number?
- Ashley Stillwell's National Provider Identifier (NPI) is 1538426044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Stillwell's specialty?
- Ashley Stillwell is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ashley Stillwell located?
- Ashley Stillwell's practice location on file with NPPES is 13400 E Shea Blvd, Scottsdale, AZ 85259-5452.
- What is Ashley Stillwell's phone number?
- The practice phone number listed in the NPPES registry for Ashley Stillwell is (480) 301-8000.
- Does Ashley Stillwell accept Medicare?
- Ashley Stillwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Stillwell's NPI active?
- Yes — Ashley Stillwell's NPI (1538426044) is active in the NPPES registry as of the last update on 2026-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.