Walter Speirs, PA-C
NPI 1326004094 · Physician Assistant · Mesa, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Speirs, PA-C is a Physician Assistant provider in Mesa, AZ (NPI 1326004094).
Provider details
- NPI number
- 1326004094
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 10908 (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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 49 | 15 |
| Atorvastatin Calcium | 48 | 14 |
| Levothyroxine Sodium | 37 | 16 |
| Omeprazole | 32 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 30 | 11 |
| Lisinopril | 28 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2025-02-04
- Certified
- 2025-02-04
Frequently asked questions
- What is Walter Speirs's NPI number?
- Walter Speirs's National Provider Identifier (NPI) is 1326004094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Speirs's specialty?
- Walter Speirs is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Walter Speirs located?
- Walter Speirs's practice location on file with NPPES is 7233 E Baseline Rd Ste 126, Mesa, AZ 85209-5007.
- What is Walter Speirs's phone number?
- The practice phone number listed in the NPPES registry for Walter Speirs is (602) 755-0800.
- Does Walter Speirs accept Medicare?
- Walter Speirs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Speirs's NPI active?
- Yes — Walter Speirs's NPI (1326004094) is active in the NPPES registry as of the last update on 2025-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.