Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN DAVID ANCZAK PAC
NPI 1881793206
Physician Assistant in Eau Claire, WI

Q: What is John Anczak's NPI number?

The NPI number for John Anczak is 1881793206. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Q: What is John Anczak's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for John Anczak was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 22, 2006PECOS Enrolled

733 W CLAIREMONT AVE, SUITE A, EAU CLAIRE, WI 54701(715) 838-5222 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 20, 2026, Jul 8, 2021, Sep 14, 2020 and 2 more (5 updates tracked since 2016).

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About John David Anczak Pac NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN DAVID ANCZAK PAC (NPI 1881793206) is an individual physician assistant in Eau Claire, Wisconsin, licensed in Wisconsin (1241) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with M Health Fairview University Of Mn, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1881793206

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameJOHN DAVID ANCZAKCredential: PAC

Location Address733 W CLAIREMONT AVE, SUITE AEau Claire, WI 54701-6117

Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (715) 838-5222

Phone(715) 838-5222

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateSeptember 22, 2006

Last NPPES UpdateJuly 20, 20265 updates tracked since enumeration

NPPES CertifiedJuly 20, 2026

✔ NPI 1881793206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in WI · 1241✔ Licensed in MN · 10686

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

733 W CLAIREMONT AVE, Eau Claire, WI 54701

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Medica, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John David Anczak Pac is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658261235

PECOS Enrollment IDI20040317001057, I20100618000421

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

213 services209 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

115 services113 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

36 services18 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

29 services29 patients

Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 87651

This test detects Group A Streptococcus bacteria in your body. It uses an amplified probe technique, which amplifies the bacteria's nucleic acid, making it easier to identify. This test helps diagnose conditions like strep throat or scarlet fever.

24 services24 patients

Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635

This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.

21 services21 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

21 services21 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

20 services20 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

19 services19 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

19 services19 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

13 services13 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

M Health Fairview University Of Mn

Acute Care Hospitals · Minneapolis, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240080

Location2450 Riverside AvenueMinneapolis, MN 55454 · Hennepin County

Emergency services Birthing friendly

M Health Fairview St John's Hospital

Acute Care Hospitals · Maplewood, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240210

Location1575 Beam AvenueMaplewood, MN 55109 · Ramsey County

Emergency services Birthing friendly

Mayo Clinic Health System Eau Claire Hospital

Acute Care Hospitals · Eau Claire, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520070

Location1221 Whipple StEau Claire, WI 54703 · Eau Claire County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTI K FECIK PHARM D

Pharmacist

733 W CLAIREMONT AVE
EAU CLAIRE, WI 54701

Eau Claire County (715) 838-5000

HOPE C. ST JEAN CNP

Nurse Practitioner

733 W CLAIREMONT AVE
EAU CLAIRE, WI 54701

Eau Claire County (715) 838-3311

ANDREW E FLOREN MD

Preventive Medicine (Occupational Medicine)

733 W CLAIREMONT AVE
EAU CLAIRE, WI 54701

Eau Claire County (715) 838-5222

NAMRATA MEHTA MD

Family Medicine

733 W CLAIREMONT AVE
EAU CLAIRE, WI 54701

Eau Claire County (715) 838-5222

NOEL ELIZABETH KROEPLIN PA-C

Physician Assistant

733 W CLAIREMONT AVE
EAU CLAIRE, WI 54701

Eau Claire County (715) 838-5222

MAYO CLINIC HEALTH SYSTEM - PHARMACY & HOME MEDICAL, INC

Durable Medical Equipment & Medical Supplies

733 W CLAIREMONT AVE, SUITE PHM # 1
EAU CLAIRE, WI 54701

Eau Claire County (715) 838-5000

MARK ALAN SWANSON APRN-FNP

Nurse Practitioner

733 W CLAIREMONT AVE
EAU CLAIRE, WI 54701

Eau Claire County (715) 838-5222

JEFFREY J GROSHENS MD

Family Medicine

733 W CLAIREMONT AVE
EAU CLAIRE, WI 54701

Eau Claire County (715) 838-5222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Anczak's NPI number?

The NPI number for John Anczak is 1881793206. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is John Anczak located?

John Anczak practices at 733 W Clairemont Ave Suite A, Eau Claire, WI 54701. The listed phone number is (715) 838-5222.

What is John Anczak's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is John Anczak enrolled in Medicare?

Yes. John Anczak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Anczak accept?

Health plans from HealthPartners, Medica and Sanford Health Plan list John Anczak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Anczak affiliated with any hospitals?

According to CMS data, John Anczak is affiliated with M Health Fairview University Of Mn, M Health Fairview St John's Hospital and Mayo Clinic Health System Eau Claire Hospital.

When was this NPI record last updated?

The NPPES record for John Anczak was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.