KATHLEEN MARY POWELL MATTIOLI MD
NPI 1457530446
Obstetrics & Gynecology in West Allis, WI

Active since October 26, 2007PECOS EnrolledAccepts Medicare Assignment
8905 W LINCOLN AVE, SUITE 501, WEST ALLIS, WI 53227(414) 978-2229(414) 978-2279 Get Directions Write a Review

NPPES record last updated: June 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 7, 2023, Dec 1, 2021 (2 updates tracked since 2021).

About Kathleen Mary Powell Mattioli Md NPPES

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

KATHLEEN MARY POWELL MATTIOLI MD (NPI 1457530446) is an individual obstetrics & gynecology provider in West Allis, Wisconsin, licensed in Wisconsin (49339) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, is affiliated with West Allis Memorial Hospital, and maintains a secondary practice location in Barrington.

NPPES Registry Identity

NPI1457530446
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKATHLEEN MARY POWELL MATTIOLICredential: MD
Location Address8905 W LINCOLN AVE, SUITE 501West Allis, WI 53227-2468
Mailing Address3003 W Good Hope RdMilwaukee, WI 53209-2042 · (414) 352-3100
Fax(414) 978-2279
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateOctober 26, 2007
Last NPPES UpdateJune 7, 20232 updates tracked since enumeration
NPPES CertifiedJune 7, 2023
NPI 1457530446 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses Licensed in WI · 49339 Licensed in IL · 036-163299
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
8905 W LINCOLN AVE, West Allis, WI 53227

Other Names 1

Former Name (1)Kathleen Mary Powell M.d.

Secondary Practice Location 1

Location 127790 W Highway 22 Ste 36Barrington, IL 60010-2396 · Phone (847) 381-8181 · Fax (847) 381-6372

Other Identifiers 1

Medicaid35336200WI

Accepted 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

Kathleen Mary Powell Mattioli 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 ID7315014784
PECOS Enrollment IDI20080926000378
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

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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520139
Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53227 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.

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.

Nurse Practitioner
8905 W LINCOLN AVE, SUITE 501
WEST ALLIS, WI 53227
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 501
WEST ALLIS, WI 53227
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 501
WEST ALLIS, WI 53227
Obstetrics & Gynecology
8905 W LINCOLN AVE
WEST ALLIS, WI 53227
Advanced Practice Midwife
8905 W LINCOLN AVE, SUITE 515
WEST ALLIS, WI 53227
Obstetrics & Gynecology (Gynecologic Oncology)
8905 W LINCOLN AVE
WEST ALLIS, WI 53227
Internal Medicine (Pulmonary Disease)
8905 W LINCOLN AVE, STE 401
WEST ALLIS, WI 53227
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 501
WEST ALLIS, WI 53227

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 Kathleen Powell Mattioli's NPI number?

The NPI number for Kathleen Powell Mattioli is 1457530446. It was assigned to this individual provider in the NPPES registry on October 26, 2007. The provider is also known as Kathleen Mary Powell M.D..

Where is Kathleen Powell Mattioli located?

Kathleen Powell Mattioli practices at 8905 W Lincoln Ave Suite 501, West Allis, WI 53227. The listed phone number is (414) 978-2229.

What is Kathleen Powell Mattioli's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Kathleen Powell Mattioli enrolled in Medicare?

Yes. Kathleen Powell Mattioli 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 Kathleen Powell Mattioli accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list Kathleen Powell Mattioli 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 Kathleen Powell Mattioli affiliated with any hospitals?

According to CMS data, Kathleen Powell Mattioli is affiliated with West Allis Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Kathleen Powell Mattioli was last updated on June 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.