ELIZABETH OWERS MERTENS MD
NPI 1366949216
Pediatrics in Milwaukee, WI

Q: What is Elizabeth Mertens's NPI number?

The NPI number for Elizabeth Mertens is 1366949216. It was assigned to this individual provider in the NPPES registry on April 8, 2018.

Q: What is Elizabeth Mertens's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Elizabeth Mertens was last updated on October 9, 2024. 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 April 08, 2018PECOS Enrolled

8915 W CONNELL AVE, MILWAUKEE, WI 53226(414) 337-7050 Get Directions Write a Review

NPPES record last updated: October 9, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 9, 2024, Aug 11, 2021, Jun 13, 2021 and 2 more (5 updates tracked since 2020).

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About Elizabeth Owers Mertens Md NPPES

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

ELIZABETH OWERS MERTENS MD (NPI 1366949216) is an individual pediatrics provider in Milwaukee, Wisconsin, licensed in Wisconsin (83432-20) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366949216

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameELIZABETH OWERS MERTENSCredential: MD

Location Address8915 W CONNELL AVEMilwaukee, WI 53226-3067

Mailing Address999 N 92nd St Ste 560Milwaukee, WI 53226-4875 · (414) 337-7050

Phone(414) 337-7050

Sole ProprietorNo

Enumeration DateApril 8, 2018

Last NPPES UpdateOctober 9, 20245 updates tracked since enumeration

NPPES CertifiedOctober 9, 2024

✔ NPI 1366949216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in WI · 83432-20

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

8915 W CONNELL AVE, Milwaukee, WI 53226

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elizabeth Owers Mertens Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Elizabeth Mertens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Alabama Health Services Foundation, PC

653 mi

Clinical Medical Laboratory

720 20TH STREET SOUTH
Birmingham, AL 35294

Reassigned Medicare billing, Alabama enrollment
4,494 clinicians in this Medicare group

NPI 1366638330 (205) 934-4983

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

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.

DEMI ELISABETH HAGEN PA-C

Physician Assistant

8915 W CONNELL AVE
WAUWATOSA, WI 53226

Milwaukee County (414) 266-2626

DR. ANNA ELIZABETH DZIAMSKI MD

Anesthesiology