Walter Glen Speirs, PA-C
Physician Assistant · Mesa, AZ
Walter Glen Speirs, PA-C is a physician assistant with a practice address in Mesa, Arizona, and NPI 1326004094, issued on Apr 21, 2006. Check the license (Arizona 10908, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Walter Glen Speirs
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 10908 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 7233 E Baseline RD Ste 126, Mesa, AZ 85209
- Phone
- (602) 755-0800
- Enumerated
- Apr 21, 2006
- Record last updated
- Feb 4, 2025
- Fax
- (602) 560-2721
- Medicare enrollment
- Enrolled (PECOS I20130507000209); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 7233 E Baseline RD Ste 126
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ruth Hoskins, F-NPFamily Nurse Practitioner1982013686
- Kimberly Hoste, FNP-CFamily Nurse Practitioner1285245969
- Tasha Mack, PA-CMedical Physician Assistant1184051336
Verify Walter Glen Speirs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 10908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average physician assistant in 2024
924 Medicare Part D claims for 156 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 66 claims were for opioids.
Most prescribed
- Gabapentin49 claims
- Atorvastatin Calcium48 claims
- Levothyroxine Sodium37 claims
- Omeprazole32 claims
- Hydrocodone-Acetaminophen30 claims
- Lisinopril28 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 2 group practices
- Sierra Nevada Primary Care Physicians A Medical CorporationGrass Valley, CA
- Summit Medical Group Arizona LLCGoodyear, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter Glen Speirs among 3,666 physician assistant records in Arizona
Walter Glen Speirs, PA-C is one of 3,666 physician assistant records with a practice address in Arizona. 77% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 84% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2001 · median 2018 among the 2,207 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
472 physician assistant records list a practice address in Mesa
They are 472 of the 9,151 NPPES records with a practice address in Mesa, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Mesa → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Amanda Beese, PA-CMesa, AZ 852091851984637
- Alexander Chrzan, PAMesa, AZ 852091972085652
- Nicole Dellairo, PAMesa, AZ 852091013229806
- Victoria Gonzalez, PA-CMesa, AZ 852091689140030
- Nichole Hazuka, PA-CMesa, AZ 852091801288311
- Kimberly Kakita, PAMesa, AZ 852091528213840
- Ayn Larson, PAMesa, AZ 852091740656172
- Patricia Layton, PAMesa, AZ 852091083077531
Common questions
What is Walter Glen Speirs, PA-C's NPI number?
Walter Glen Speirs, PA-C's National Provider Identifier (NPI) is 1326004094, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Glen Speirs, PA-C located?
The NPPES record lists a practice address at 7233 E Baseline RD Ste 126, Mesa, AZ, 85209. Phone: (602) 755-0800. Providers update this record themselves, so call before visiting.
How can I verify Walter Glen Speirs, PA-C's license?
NPPES lists Arizona license number 10908, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Walter Glen Speirs, PA-C prescribe under Medicare Part D?
In 2024, Walter Glen Speirs, PA-C had 924 Medicare Part D claims for 156 beneficiaries; the average among physician assistant prescribers was 830. 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.