MR. MICHAEL EUGENE TJARKSEN M.D.
NPI 1639152747
Orthopaedic Surgery in Pewaukee, WI

Q: What is Michael Tjarksen's NPI number?

The NPI number for Michael Tjarksen is 1639152747. It was assigned to this individual provider in the NPPES registry on November 22, 2005.

Q: What is Michael Tjarksen's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Tjarksen was last updated on December 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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 November 22, 2005PECOS EnrolledAccepts Medicare Assignment

N15W28300 GOLF RD, PEWAUKEE, WI 53072(262) 544-5311(262) 544-6820 Get Directions Write a Review

NPPES record last updated: December 27, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 27, 2019, May 13, 2016 (2 updates tracked since 2016).

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About Mr. Michael Eugene Tjarksen M.d. NPPES

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

MR. MICHAEL EUGENE TJARKSEN M.D. (NPI 1639152747) is an individual orthopaedic surgery provider in Pewaukee, Wisconsin, licensed in Wisconsin (39946) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of University Of Michigan Medical School (1991).

NPPES Registry Identity

NPI1639152747

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameMR. MICHAEL EUGENE TJARKSENCredential: M.D.

Location AddressN15W28300 GOLF RDPewaukee, WI 53072-4800

Mailing AddressN15w28300 Golf RdPewaukee, WI 53072-4800 · (262) 303-5055 · Fax (262) 303-5057

Phone(262) 544-5311

Fax(262) 544-6820

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1991

Enumeration DateNovember 22, 2005

Last NPPES UpdateDecember 27, 20192 updates tracked since enumeration

✔ NPI 1639152747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in WI · 39946

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedOrthopaedic Surgery · Orthopaedic Surgery of the SpineTaxonomy 207XS0117X · License 39946 (WI)

N15W28300 GOLF RD, Pewaukee, WI 53072

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Other Identifiers 1

Medicaid1639152747WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Dean Health Plan, Network Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Michael Eugene Tjarksen M.d. 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 ID1658260559

PECOS Enrollment IDI20081122000145

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.

Medicare Billing Reassignment

Medicare enrollment records show Michael Tjarksen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopaedic Associates Of Wisconsin, Sc

Same address

Orthopaedic Surgery

N15W28300 GOLF RD
Pewaukee, WI 53072

Reassigned Medicare billing, Wisconsin enrollment
100 clinicians in this Medicare group

NPI 1689656951 (262) 303-5055

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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.

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

96 services72 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.

91 services76 patients

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.

91 services72 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.

31 services31 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

27 services20 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

24 services23 patients

Hospital Affiliations CMS Care Compare

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520008

Location725 American AveWaukesha, WI 53188 · Waukesha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53072 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.

THE ORTHOPAEDIC SURGERY CENTER LLC

Clinic/Center (Ambulatory Surgical)