Kathleen Powell Mattioli, MD
NPI 1457530446 · Obstetrics & Gynecology Physician · West Allis, WI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Powell Mattioli, MD is a Obstetrics & Gynecology Physician provider in West Allis, WI (NPI 1457530446).
Provider details
- NPI number
- 1457530446
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 49339 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
17 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 17 | $36 |
Typical Medicare-allowed amounts for these services range $36–$36 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 27790 W Highway 22 Ste 36Barrington, IL 60010-2396Phone: (847) 381-8181Fax: (847) 381-6372
Registry dates
- Enumerated
- 2007-10-26
- Last updated
- 2023-06-07
- Certified
- 2023-06-07
Frequently asked questions
- What is Kathleen Powell Mattioli's NPI number?
- Kathleen Powell Mattioli's National Provider Identifier (NPI) is 1457530446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Powell Mattioli's specialty?
- Kathleen Powell Mattioli is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Powell Mattioli located?
- Kathleen Powell Mattioli's practice location on file with NPPES is 8905 W Lincoln Ave, West Allis, WI 53227-2468.
- What is Kathleen Powell Mattioli's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Powell Mattioli is (414) 978-2229.
- Does Kathleen Powell Mattioli accept Medicare?
- Kathleen Powell Mattioli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Powell Mattioli's NPI active?
- Yes — Kathleen Powell Mattioli's NPI (1457530446) is active in the NPPES registry as of the last update on 2023-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.