John Anczak, PAC
NPI 1881793206 · Physician Assistant · Eau Claire, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Anczak, PAC is a Physician Assistant provider in Eau Claire, WI (NPI 1881793206).
Provider details
- NPI number
- 1881793206
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Male
- Sole proprietor
- No
- License
- 10686 (MN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
594 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 213 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 115 | $75 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 41 | $14 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 36 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 29 | $147 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 61 | 59 |
| Cefdinir | 58 | 57 |
| Cefadroxil | 57 | 55 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 54 | 53 |
| Doxycycline Hyclate | 52 | 52 |
| Prednisone | 46 | 46 |
| Fluticasone Propionate | 35 | 33 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2021-07-08
- Certified
- 2021-07-08
Frequently asked questions
- What is John Anczak's NPI number?
- John Anczak's National Provider Identifier (NPI) is 1881793206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Anczak's specialty?
- John Anczak is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Anczak located?
- John Anczak's practice location on file with NPPES is 733 W Clairemont Ave, Eau Claire, WI 54701-6117.
- What is John Anczak's phone number?
- The practice phone number listed in the NPPES registry for John Anczak is (715) 838-5222.
- Does John Anczak accept Medicare?
- John Anczak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Anczak's NPI active?
- Yes — John Anczak's NPI (1881793206) is active in the NPPES registry as of the last update on 2021-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.