Stephen Alexander Ash, MD
General Practice Physician · Glendale, AZ
Stephen Alexander Ash, MD is a general practice physician with a practice address in Glendale, Arizona, and NPI 1437128279, issued on Mar 15, 2006. Check the license (Arizona 15494, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen Alexander Ash
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 15494 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5410 W Thunderbird, Glendale, AZ 85306
- Phone
- (602) 530-6189
- Enumerated
- Mar 15, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (602) 548-2292
- Medicare enrollment
- Enrolled (PECOS I20051007000753); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 228 in Arizona → Look up another NPI →
Verify Stephen Alexander Ash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 15494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average general practice physician in 2024
120 Medicare Part D claims for 96 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate18 claims
- Cefdinir14 claims
- Amoxicillin-Clavulanate Potass12 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.
Bills Medicare through one group practice
- Nextcare Arizona I JV LLCTempe, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Alexander Ash among 228 general practice physician records in Arizona
Stephen Alexander Ash, MD is one of 228 general practice physician records with a practice address in Arizona. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 69% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated1983 · median 2011 among the 55 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Arizona
There are 228 general practice physician records in Arizona.
All 228 in Arizona → Every provider in Glendale → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Karen Gonsalves-Wetherell, MDGlendale, AZ 853061033118393
- Harry Lum, MDGlendale, AZ 853061649259748
- Natalie CurleyGlendale, AZ 853081881275683
- Jean Goerss, MD MPHGlendale, AZ 853081386068419
- Glenn Kunsman, DOGlendale, AZ 853081588972889
- Juzer MunaimGlendale, AZ 853081164118733
- Ty Pfau, DOGlendale, AZ 853081154901742
- Christian Bittner, MDGlendale, AZ 853091093279986
Common questions
What is Stephen Alexander Ash, MD's NPI number?
Stephen Alexander Ash, MD's National Provider Identifier (NPI) is 1437128279, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Alexander Ash, MD located?
The NPPES record lists a practice address at 5410 W Thunderbird, Glendale, AZ, 85306. Phone: (602) 530-6189. Providers update this record themselves, so call before visiting.
How can I verify Stephen Alexander Ash, MD's license?
NPPES lists Arizona license number 15494, 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 Stephen Alexander Ash, MD prescribe under Medicare Part D?
In 2024, Stephen Alexander Ash, MD had 120 Medicare Part D claims for 96 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
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.