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PETER J. BARTZ M.D.
NPI 1497728794
Pediatrics - Pediatric Cardiology in Milwaukee, WI

Active since February 08, 2006PECOS EnrolledAccepts Medicare Assignment
9000 W WISCONSIN AVE, PEDIATRIC CARDIOLOGY, MILWAUKEE, WI 53226(414) 266-4762(414) 266-3261 Get Directions Write a Review

NPPES record last updated: April 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 1, 2025, Jul 10, 2023, Mar 6, 2023 (3 updates tracked since 2023).

About Peter J. Bartz M.d. NPPES

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

PETER J. BARTZ M.D. (NPI 1497728794) is an individual pediatric cardiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (49026) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1497728794
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NamePETER J. BARTZCredential: M.D.
Location Address9000 W WISCONSIN AVE, PEDIATRIC CARDIOLOGYMilwaukee, WI 53226-4874
Mailing Address9000 W Wisconsin Ave, Pediatric CardiologyMilwaukee, WI 53226-4874 · (414) 266-4762 · Fax (414) 266-3261
Phone(414) 266-4762
Fax(414) 266-3261
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 1999
Enumeration DateFebruary 8, 2006
Last NPPES UpdateApril 1, 20253 updates tracked since enumeration
NPPES CertifiedApril 1, 2025
✔ NPI 1497728794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in WI · 49026
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 49026 (WI)
9000 W WISCONSIN AVE, Milwaukee, WI 53226
Open in Google Maps ↗

Secondary Practice Locations 5

Location 14805 S Moorland RdNew Berlin, WI 53151-7401 · Phone (262) 798-7200 · Fax (262) 798-7201
Location 29200 W Wisconsin AveMilwaukee, WI 53226-3522 · Phone (414) 805-3666
Location 33200 Pleasant Valley RdWest Bend, WI 53095-9274 · Phone (262) 836-7300 · Fax (262) 836-7301
Location 4W180N8085 Town Hall RdMenomonee Falls, WI 53051-3518 · Phone (262) 251-1000 · Fax (262) 518-5052
Location 5600 Highland AveMadison, WI 53792-4874 · Phone (608) 263-6420

Other Identifiers 2

Medicaid1497728794WI
Medicaid590618100MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Blue Care Network of Michigan 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

Peter J. Bartz 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 ID4688678733
PECOS Enrollment IDI20060905000219, I20140131000483
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

5

Medicare enrollment records show Peter Bartz reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Children's Specialty Group, Inc.
Same address
Pediatrics
9000 W WISCONSIN AVE
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Childrens Specialty Group Inc
  • 424 clinicians in this Medicare group
NPI 1942970405 (414) 266-2000
The Medical College Of Wisconsin, Inc.
0.1 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101
Froedtert & the Medical College Of Wisconsin Community Physicians, Inc.
10 mi
Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 clinicians in this Medicare group
NPI 1568787448 (262) 255-2500
University Of Wisconsin Medical Foundation, Inc
76 mi
Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
NPI 1598784555 (608) 829-5485
Dickinson County Healthcare System
189 mi
Rehabilitation
500 ROOSEVELT RD
Niagara, WI 54151
  • Reassigned Medicare billing, Michigan enrollment
  • 136 clinicians in this Medicare group
NPI 1043892003 (715) 251-1200

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

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.
19 services18 patients

Hospital Affiliations CMS Care Compare 2

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

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services Birthing friendly

Childrens Hospital Of Wisconsin

Childrens · Milwaukee, WI
OwnershipVoluntary non-profit - Other
CMS Certification Number523300
Location9000 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services

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.

MS. LESLIE L. TALBERT NP
Nurse Practitioner (Pediatrics)
9000 W WISCONSIN AVE, PEDIATRIC CRITICAL CARE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-3360
SARAH MARIE RUMLER DO
Pediatrics (Pediatric Hematology-Oncology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 955-4170
ALISON COREN
Pediatrics (Pediatric Endocrinology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-6750
BRANDON PALMER M.D.
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 337-7050
AIDAN JAMES REID DO
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-6800
KYNDAL LYN HETTICH RD, CSP, CD
Dietitian, Registered
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-5938
CARISA MARIE DIMATTINA LCSW
Social Worker (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 581-4004
BREYA LOGAN WHITEFIELD PHD
Psychologist (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-2000

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 Peter Bartz's NPI number?

The NPI number for Peter Bartz is 1497728794. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Peter Bartz located?

Peter Bartz practices at 9000 W Wisconsin Ave Pediatric Cardiology, Milwaukee, WI 53226. The listed phone number is (414) 266-4762.

What is Peter Bartz's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Peter Bartz enrolled in Medicare?

Yes. Peter Bartz 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 Peter Bartz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Bartz reassigns Medicare benefits to 5 organizations: Children's Specialty Group, Inc. (Milwaukee, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI), University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Dickinson County Healthcare System (Niagara, 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 Peter Bartz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Bartz accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and CareSource (Common Ground Healthcare) and 5 other insurers list Peter Bartz 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 Peter Bartz affiliated with any hospitals?

According to CMS data, Peter Bartz is affiliated with Froedtert Memorial Lutheran Hospital and Childrens Hospital Of Wisconsin.

When was this NPI record last updated?

The NPPES record for Peter Bartz was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.