JAMES S. IWAKIRI MD
NPI 1972689057
Urology in Eau Claire, WI

Q: What is James Iwakiri's NPI number?

The NPI number for James Iwakiri is 1972689057. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Q: What is James Iwakiri's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Q: When was this NPI record last updated?

The NPPES record for James Iwakiri was last updated on September 3, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 October 31, 2006PECOS EnrolledAccepts Medicare Assignment

79.01/100

CMS Quality Rating

3217 STEIN BOULEVARD, EAU CLAIRE, WI 54701(715) 835-6548(715) 835-7708 Get Directions Write a Review

NPPES record last updated: September 3, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About James S. Iwakiri Md NPPES

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

JAMES S. IWAKIRI MD (NPI 1972689057) is an individual urology provider in Eau Claire, Wisconsin, licensed in Wisconsin (35227-020) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and is a graduate of Stanford University School Of Medicine (1994).

NPPES Registry Identity

NPI1972689057

Entity TypeIndividualMale

Primary Taxonomy208800000X

Provider Legal NameJAMES S. IWAKIRICredential: MD

Location Address3217 STEIN BOULEVARDEau Claire, WI 54701-6995

Mailing Address3217 Stein BoulevardEau Claire, WI 54701 · (715) 835-6548 · Fax (715) 835-7708

Phone(715) 835-6548

Fax(715) 835-7708

Sole ProprietorNo

Medical School CMSStanford University School Of MedicineGraduated 1994

Enumeration DateOctober 31, 2006

Last NPPES UpdateSeptember 3, 2009

✔ NPI 1972689057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

Licenses✔ Licensed in WI · 35227-020✔ Licensed in WI · 35227

Definition

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

3217 STEIN BOULEVARD, Eau Claire, WI 54701

Open in Google Maps ↗

Other Identifiers 10

Other208D2IWWI · Hmo Of Wisconsin

Other19-00207WV · Medica

Other35227WV · Wausau Insurance

Medicare UPINF16264WI

Medicare ID-Type Unspecified200020004WI

Medicaid8455228-00MN

Other34781WI · Security Health Plan

Other352227-020WI · License

Medicare PIN200020004

Medicaid32048400WI

Accepted Insurance

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

James S. Iwakiri Md 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 ID8729170196

PECOS Enrollment IDI20110302000753

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 Reassignments

Medicare enrollment records show James Iwakiri reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Western Wisconsin Urology

Same address

Urology

3217 STEIN BLVD
Eau Claire, WI 54701

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

NPI 1710060199 (715) 835-6548

Mchs Hospitals Inc

0.8 mi

Clinic/Center

2310 CRAIG RD
Eau Claire, WI 54701

Reassigned Medicare billing, Wisconsin enrollment
2,476 clinicians in this Medicare group

NPI 1316416035 (715) 858-8100

Lakeview Medical Center Inc Of Rice Lake

37 mi

Clinic/Center

806 2ND ST
Chetek, WI 54728

Reassigned Medicare billing, Wisconsin enrollment
1,616 clinicians in this Medicare group

NPI 1659008605 (715) 924-2000

Marshfield Clinic Inc

66 mi

Clinic/Center

1000 N OAK AVE
Marshfield, WI 54449

Reassigned Medicare billing, Wisconsin enrollment
2,540 clinicians in this Medicare group

NPI 1952347981 (715) 387-5511

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 23

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.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

3,180 services19 patients

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

2,000 services14 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.

553 services436 patients

Leuprolide acetate (for depot suspension), 7.5 mg J9217

Leuprolide acetate is a medication that helps regulate certain hormone levels in your body. It's injected into your muscle once a month. This treatment can help manage various health conditions related to hormone imbalance. Always follow your doctor's instructions.

302 services33 patients

Ultrasound measurement of bladder capacity after voiding 51798

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

142 services124 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.

140 services123 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.

132 services99 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

125 services104 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

110 services92 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

97 services80 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.

84 services84 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

63 services32 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.

57 services46 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

50 services22 patients

Ultrasound scan of pelvic region through rectum 76872

An ultrasound scan of the pelvic region through the rectum is a medical procedure where a small, smooth device is gently inserted into the rectum. This device uses sound waves to create images of the internal structures in the lower abdomen, aiding in diagnosis and treatment planning.

44 services44 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.

38 services34 patients

Simple insertion of temporary bladder tube 51702

This procedure involves placing a temporary tube into your bladder to help with urine flow. It's done when the body can't naturally remove urine. The tube is inserted through a small opening and allows urine to drain into a bag. It's usually a short-term solution.

35 services13 patients

Biopsy of prostate gland 55700

A biopsy of the prostate gland is a procedure where a small sample of tissue is taken from your body's internal gland, located near the bladder, for testing. This helps in diagnosing potential health issues. It's usually done with a fine needle and imaging technology for accuracy.

35 services35 patients

Simple bladder irrigation and/or instillation 51700

Bladder irrigation and/or instillation is a process where a sterile solution is introduced into the bladder to cleanse it or deliver medication. This procedure helps manage certain bladder conditions, ensuring optimal bladder health.

27 services17 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.

27 services27 patients

Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope 52310

This is a procedure to remove an object, stone, or tube from your urinary tract. An endoscope, a thin, flexible tube with a light and camera, is used to locate and remove the object. It is a safe and effective way to address the issue.

16 services16 patients

Exam with injections of chemical for destruction of bladder using an endoscope 52287

This procedure involves the use of a thin, flexible tube with a light (endoscope) for internal examination. A chemical is then injected to help eliminate specific issues in the bladder. It's a standard and safe process.

15 services14 patients

Complete laser vaporization of prostate including control of bleeding using an endoscope 52648

This procedure involves using a special light instrument to carefully remove tissue from a gland located in the lower body. This helps improve the flow of body fluids. The process is done through a tube-like device and also controls any bleeding.

15 services15 patients

Hospital Affiliations CMS Care Compare 5

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

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520037

Location611 St Joseph AveMarshfield, WI 54449 · Wood County

Emergency services Birthing friendly

Oakleaf Surgical Hospital

Acute Care Hospitals · Altoona, WI

OwnershipPhysician

CMS Certification Number520196

Location1000 Oakleaf WayAltoona, WI 54720 · Eau Claire County

Marshfield Medical Center - Eau Claire

Acute Care Hospitals · Eau Claire, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520210

Location2310 Craig RdEau Claire, WI 54701 · Eau Claire County

Emergency services Birthing friendly

Aspirus Stanley Hospital

Critical Access Hospitals · Stanley, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521311

Location1120 Pine StStanley, WI 54768 · Chippewa County

Emergency services

Marshfield Medical Center - Ladysmith

Critical Access Hospitals · Ladysmith, WI

OwnershipGovernment - Hospital District or Authority

CMS Certification Number521328

Location1200 Port Arthur RdLadysmith, WI 54848 · Rusk County

Emergency services

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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.01/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

86.81

Promoting Interoperability

Improvement Activities

Cost

44.05

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Urinary catheter anchoring device, leg strap, each A4334

DME-Orthotic Devices · category DF000N

2 suppliers14 claims18 services$4.75 avg. paid by Medicare

Male external catheter, with or without adhesive, disposable, each A4349

DME-Medical/Surgical Supplies · category DA000N

2 suppliers11 claims385 services$1.71 avg. paid by Medicare

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

7 suppliers73 claims10,615 services$1.68 avg. paid by Medicare

Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352

DME-Orthotic Devices · category DF008N

6 suppliers31 claims3,762 services$4.79 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

8 suppliers58 claims158 services$8.33 avg. paid by Medicare

Urinary drainage bag, leg or abdomen, vinyl, with or without tube, with straps, each A4358

DME-Orthotic Devices · category DF000N

5 suppliers19 claims49 services$5.71 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

JOSIAH D NELSON MD

Urology

3217 STEIN BOULEVARD
EAU CLAIRE, WI 54701

Eau Claire County (715) 835-6548

CHRISTOPHER KARL TORNEHL MD

Urology

3217 STEIN BOULEVARD
EAU CLAIRE, WI 54701

Eau Claire County (715) 835-6548

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 James Iwakiri's NPI number?

The NPI number for James Iwakiri is 1972689057. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is James Iwakiri located?

James Iwakiri practices at 3217 Stein Boulevard, Eau Claire, WI 54701. The listed phone number is (715) 835-6548.

What is James Iwakiri's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is James Iwakiri enrolled in Medicare?

Yes. James Iwakiri 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.

Which organizations bill Medicare for James Iwakiri's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Iwakiri reassigns Medicare benefits to 4 organizations: Western Wisconsin Urology (Eau Claire, WI), Mchs Hospitals Inc (Eau Claire, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI) and Marshfield Clinic Inc (Marshfield, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Iwakiri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Iwakiri accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners, Quartz and Sanford Health Plan and 1 other insurer list James Iwakiri 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 James Iwakiri affiliated with any hospitals?

According to CMS data, James Iwakiri is affiliated with Marshfield Medical Center, Oakleaf Surgical Hospital, Marshfield Medical Center - Eau Claire, Aspirus Stanley Hospital and Marshfield Medical Center - Ladysmith.

When was this NPI record last updated?

The NPPES record for James Iwakiri was last updated on September 3, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.