Thomas Willim, PA
NPI 1295987923 · Medical Physician Assistant · Fountain Hills, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Willim, PA is a Medical Physician Assistant provider in Fountain Hills, AZ (NPI 1295987923).
Provider details
- NPI number
- 1295987923
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 1559 (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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,878 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 2,800 | $3 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 30 | $181 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $105 |
Typical Medicare-allowed amounts for these services range $3–$181 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 2425 S Stearman Dr Ste 210Chandler, AZ 85286-5042Phone: (480) 999-2559
- 1780 N State Route 89Chino Valley, AZ 86323-5695Phone: (480) 999-2559
Registry dates
- Enumerated
- 2008-10-13
- Last updated
- 2024-01-27
- Certified
- 2024-01-27
Frequently asked questions
- What is Thomas Willim's NPI number?
- Thomas Willim's National Provider Identifier (NPI) is 1295987923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Willim's specialty?
- Thomas Willim is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thomas Willim located?
- Thomas Willim's practice location on file with NPPES is 16733 E Palisades Blvd Ste 106, Fountain Hills, AZ 85268-8322.
- What is Thomas Willim's phone number?
- The practice phone number listed in the NPPES registry for Thomas Willim is (809) 992-5594.
- Does Thomas Willim accept Medicare?
- Thomas Willim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Willim's NPI active?
- Yes — Thomas Willim's NPI (1295987923) is active in the NPPES registry as of the last update on 2024-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.