CHRISTOPHER JOHN WALSH MD
NPI 1811966955
Urology in Wauwatosa, WI

Q: What is Christopher Walsh's NPI number?

The NPI number for Christopher Walsh is 1811966955. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Q: What is Christopher Walsh'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 Christopher Walsh was last updated on November 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 March 14, 2006PECOS EnrolledAccepts Medicare Assignment

82.39/100

CMS Quality Rating

2600 N MAYFAIR RD, STE 545, WAUWATOSA, WI 53226(414) 476-0430(414) 476-3242 Get Directions Write a Review

NPPES record last updated: November 14, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Christopher John Walsh Md NPPES

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

CHRISTOPHER JOHN WALSH MD (NPI 1811966955) is an individual urology provider in Wauwatosa, Wisconsin, licensed in Wisconsin (42112020) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Georgetown University School Of Medicine (1994).

NPPES Registry Identity

NPI1811966955

Entity TypeIndividualMale

Primary Taxonomy208800000X

Provider Legal NameCHRISTOPHER JOHN WALSHCredential: MD

Location Address2600 N MAYFAIR RD, STE 545Wauwatosa, WI 53226-1309

Mailing Address2600 N Mayfair Rd, Ste 545Wauwatosa, WI 53226-1309 · (414) 476-0430 · Fax (414) 476-3242

Phone(414) 476-0430

Fax(414) 476-3242

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1994

Enumeration DateMarch 14, 2006

Last NPPES UpdateNovember 14, 2023

NPPES CertifiedNovember 14, 2023

✔ NPI 1811966955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in WI · 42112020

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.

2600 N MAYFAIR RD, Wauwatosa, WI 53226

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Other Identifiers 2

Medicaid33329500WI

Other340018221WI · Medicare Railroad

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan 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

Christopher John Walsh 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 ID4981591815

PECOS Enrollment IDI20041025000025

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 Christopher Walsh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Metropolitan Urology Group, Sc

Same address

Urology

2600 N MAYFAIR RD, SUITE 580
Milwaukee, WI 53226

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

NPI 1336201110 (414) 732-2715

Ascension Medical Group-Southeast Wisconsin Inc

7.2 mi

Internal Medicine

400 W RIVER WOODS PKWY
Glendale, WI 53212

Reassigned Medicare billing, Wisconsin enrollment
1,343 clinicians in this Medicare group

NPI 1609881077 (414) 465-3000

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 19

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 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.

231 services174 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 services109 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.

104 services94 patients

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

93 services65 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.

70 services61 patients

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

65 services53 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.

47 services47 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.

39 services33 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

38 services35 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.

37 services37 patients

Insertion of stent in ureter using an endoscope 52332

This procedure involves placing a small, flexible tube (stent) in your body's drainage system to help urine flow from the kidneys to the bladder. An endoscope, a thin tube with a light and camera, is used for precise placement.

32 services27 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.

23 services23 patients

Ultrasound scan of pelvic region through rectum 76872

21 services21 patients

Removal of prostate gland using an electrocautery knife through urethra with control of bleeding using an endoscope 52601

This procedure involves the careful removal of a small gland located in the lower body using a special heated knife, inserted through a natural body passage. An endoscope, a thin tube with a light and camera, helps to manage any bleeding. The aim is to alleviate discomfort and improve overall health.

19 services19 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

16 services16 patients

Waterjet destruction of prostrate accessed through the urethra 0421T

Waterjet destruction of the prostate is a procedure where a thin tube is inserted through your urinary passage to reach the prostate. A stream of water is then used to remove excess tissue blocking urine flow.

13 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.

13 services13 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

13 services13 patients

Crushing of stone of ureter with insertion of stent using an endoscope 52356

This procedure involves using a thin, flexible tube (endoscope) to locate and break down kidney stones in the ureter. After this, a small tube (stent) is inserted to help maintain an open pathway for urine to flow.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Ascension Columbia St Mary's Hospital Milwaukee

Acute Care Hospitals · Milwaukee, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520051

Location2323 N Lake DrMilwaukee, WI 53211 · Milwaukee County

Emergency services Birthing friendly

Ascension St Francis Hospital

Acute Care Hospitals · Milwaukee, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520078

Location3237 S 16th StMilwaukee, WI 53215 · Milwaukee County

Emergency services

Ascension All Saints Hospital

Acute Care Hospitals · Racine, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520096

Location3801 Spring StRacine, WI 53405 · Racine County

Emergency services Birthing friendly

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520136

Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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.

82.39/100

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

Scored as part of a group practice

Quality

77.88

Promoting Interoperability

Improvement Activities

Cost

74.38

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.

Lubricant, individual sterile packet, each A4332

DME-Medical/Surgical Supplies · category DA000N

3 suppliers17 claims2,150 services$0.10 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

6 suppliers37 claims4,080 services$1.62 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

4 suppliers39 claims6,810 services$5.19 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

3 suppliers13 claims38 services$9.13 avg. paid by Medicare

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385

DME-Orthotic Devices · category DF010N

2 suppliers11 claims370 services$4.71 avg. paid by Medicare

Ostomy skin barrier, non-pectin based, paste, per ounce A4405

DME-Orthotic Devices · category DF010N

1 supplier11 claims44 services$3.30 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 20

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

BERNADETTE DEMURI M.D.

Psychiatry & Neurology (Psychiatry)

2600 N MAYFAIR RD, SUITE #305
WAUWATOSA, WI 53226

Milwaukee County (414) 257-0233

JAY A. MET MD

Ophthalmology

2600 N MAYFAIR RD, #350
MILWAUKEE, WI 53226

Milwaukee County (414) 777-0110

DR. JEFFREY WARD KALENAK MD

Ophthalmology (Glaucoma Specialist)

2600 N MAYFAIR RD
MILWAUKEE, WI 53226

Milwaukee County (414) 266-4499

ASSOCIATED MENTAL HEALTH CONSULTANTS INC

Psychiatry & Neurology (Psychiatry)

2600 N MAYFAIR RD, SUITE #305
WAUWATOSA, WI 53226

Milwaukee County (414) 257-0233

FOREFRONT DERMATOLOGY, S.C.

Dermatology

2600 N MAYFAIR RD, MAYFAIR NORTH TOWER, SUITE 810
MILWAUKEE, WI 53226

Milwaukee County (414) 771-1122

DR. FREDERICK H REESER M.D.

Ophthalmology

2600 N MAYFAIR RD, STE 901
MILWAUKEE, WI 53226

Milwaukee County (414) 774-3484

MIRIAM SCHECHTER M.D.

Psychiatry & Neurology (Psychiatry)

2600 N MAYFAIR RD, SUITE 305
MILWAUKEE, WI 53226

Milwaukee County (414) 257-0233

DR. RICHARD V. KNOFF D.D.S.

Dentist (Endodontics)

2600 N MAYFAIR RD, SUITE 505
WAUWATOSA, WI 53226

Milwaukee County (414) 258-1500

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 Christopher Walsh's NPI number?

The NPI number for Christopher Walsh is 1811966955. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Christopher Walsh located?

Christopher Walsh practices at 2600 N Mayfair Rd Ste 545, Wauwatosa, WI 53226. The listed phone number is (414) 476-0430.

What is Christopher Walsh's specialty?

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

Is Christopher Walsh enrolled in Medicare?

Yes. Christopher Walsh 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 Christopher Walsh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Walsh reassigns Medicare benefits to 2 organizations: Metropolitan Urology Group, Sc (Milwaukee, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Glendale, 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 Christopher Walsh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Walsh accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan, Network Health and UnitedHealthcare list Christopher Walsh 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 Christopher Walsh affiliated with any hospitals?

According to CMS data, Christopher Walsh is affiliated with Waukesha Memorial Hospital, Ascension Columbia St Mary's Hospital Milwaukee, Ascension St Francis Hospital, Ascension All Saints Hospital and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Walsh was last updated on November 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.