Ashley Amber Stillwell, D.O.
Family Medicine Physician · Scottsdale, AZ
Ashley Amber Stillwell, D.O. is a family medicine physician with a practice address in Scottsdale, Arizona, and NPI 1538426044, issued on Apr 20, 2012. Check the license (Arizona 009110, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ashley Amber Stillwell
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 009110 AZ
1681 NE
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- Apr 20, 2012
- Record last updated
- Jan 21, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ashley Amber Stillwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 009110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average family medicine physician in 2024
2,367 Medicare Part D claims for 245 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 55 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium159 claims
- Levothyroxine Sodium135 claims
- Atorvastatin Calcium82 claims
- Losartan Potassium75 claims
- Amlodipine Besylate61 claims
- Lisinopril58 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Ashley Amber Stillwell among 3,119 family medicine physician records in Arizona
Ashley Amber Stillwell, D.O. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 67% of them.
- NPI issued2012 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
285 family medicine physician records list a practice address in Scottsdale
They are 285 of the 11,008 NPPES records with a practice address in Scottsdale, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Scottsdale → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Bailey, MDScottsdale, AZ 852591427014273
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- Kevin Benson, M.D.Scottsdale, AZ 852591720061377
- Jesus Bracamonte, D.O.Scottsdale, AZ 852591295719821
- Michael Bryan, M.D.Scottsdale, AZ 852591063496578
- Gary Debrino, M.D.Scottsdale, AZ 852591437132107
- Richard Engle, M.D.Scottsdale, AZ 852591245213032
- David Galbreath, M.D.Scottsdale, AZ 852591295754521
Common questions
What is Ashley Amber Stillwell, D.O.'s NPI number?
Ashley Amber Stillwell, D.O.'s National Provider Identifier (NPI) is 1538426044, issued on Apr 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Amber Stillwell, D.O. located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Ashley Amber Stillwell, D.O.'s license?
NPPES lists Arizona license number 009110, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ashley Amber Stillwell, D.O. prescribe under Medicare Part D?
In 2024, Ashley Amber Stillwell, D.O. had 2,367 Medicare Part D claims for 245 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ashley Amber Stillwell, D.O.'s MIPS final score?
The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.