Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AMY HAMMEN DO
NPI 1841659729
Pediatrics in Milwaukee, WI

Q: What is Amy Hammen's NPI number?

The NPI number for Amy Hammen is 1841659729. It was assigned to this individual provider in the NPPES registry on February 19, 2016.

Q: What is Amy Hammen'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 Amy Hammen was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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 February 19, 2016PECOS Enrolled

9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-6600(414) 805-6622 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 28, 2026, Aug 16, 2023, Jul 29, 2023 and 4 more (7 updates tracked since 2016).

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About Amy Hammen Do NPPES

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

AMY HAMMEN DO (NPI 1841659729) is an individual pediatrics provider in Milwaukee, Wisconsin, licensed in Wisconsin (68780-021) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in St Louis.

NPPES Registry Identity

NPI1841659729

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameAMY HAMMENCredential: DO

Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522

Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 805-6600 · Fax (414) 805-6622

Phone(414) 805-6600

Fax(414) 805-6622

Sole ProprietorNo

Enumeration DateFebruary 19, 2016

Last NPPES UpdateJuly 28, 20267 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1841659729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

Licenses✔ Licensed in WI · 68780-021✔ Licensed in MO · 2023013872

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.

Also ListedPediatrics · Neonatal-Perinatal MedicineTaxonomy 2080N0001X · License 68780-021 (WI)

9200 W WISCONSIN AVE, Milwaukee, WI 53226

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Secondary Practice Location 1

Location 11 CHILDRENS PL, MSC 8116-0043-08St Louis, MO 63110 · Phone (314) 454-4826 · Fax (314) 454-4633

Other Identifiers 1

Medicaid1841659729WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Amy Hammen Do 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.

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.

TRACY BLAIR WANDTKE HERRMANN APNP, CNM

Advanced Practice Midwife

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-4777

DR. ZACHARY SMITH DO

Internal Medicine (Gastroenterology)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 955-6830

DR. COLLEEN ANN CROWE M.D., M.P.H.

Emergency Medicine

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6469

ROBERTO MEJIAS APNP

Nurse Practitioner (Pediatrics)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6600

MRS. ANNE E B LAKATOS APN-BC, APNP, RN

Nurse Practitioner (Adult Health)

9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6850

MRS. AMANDA M MANDERS APNP

Nurse Practitioner (Adult Health)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6850

KATHLEEN A WATERHOUSE-SKIBICKI CRNA

Nurse Anesthetist, Certified Registered

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-5951

ANDREA L BEQUEST PA

Physician Assistant (Medical)

9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

Milwaukee County (414) 955-0350

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 Amy Hammen's NPI number?

The NPI number for Amy Hammen is 1841659729. It was assigned to this individual provider in the NPPES registry on February 19, 2016.

Where is Amy Hammen located?

Amy Hammen practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-6600.

What is Amy Hammen's specialty?

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

Is Amy Hammen enrolled in Medicare?

Yes. Amy Hammen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Amy Hammen was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.