Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1841659729 Individual Practitioner Female Practitioner

Dr. Amy Hammen , DO

Pediatrics • Milwaukee, WI

Professional Overview & Biography Verified Profile Summary

Dr. Amy Hammen, DO is a registered healthcare professional specializing in Pediatrics in Milwaukee, WI. Practice services are available at 9200 W WISCONSIN AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

9200 W Wisconsin Ave

Milwaukee, WI 532263522

Telephone 4148056600
Fax 4148056622
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Milwaukee, WI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 12.8 Yrs
State Avg: 18.1 Yrs
Regional Practice Density
237 Specialists

Practicing in Milwaukee, WI (1245 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-07-28
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License WI 68780-021

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.

Pediatrics - Neonatal-Perinatal Medicine

NUCC Taxonomy Code: 2080N0001X

State License WI 68780-021

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License MO 2023013872

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
1841659729 (WI)

Secondary Practice Locations

1 Childrens Pl, Msc 8116-0043-08

St Louis, MO 63110

Phone: 3144544826

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Roberto Mejias , APNP

Nurse Practitioner - Pediatrics

NPI 1003071937

Advanced Practice Nurse Prescriber

Dr. Kristine Graettinger , MD

Obstetrics & Gynecology

NPI 1003873399

Doctor of Medicine (M.D.)

Lisa Caravella , APNP

Nurse Practitioner - Family

NPI 1013364918

Advanced Practice Nurse Prescriber

Libby Woodard , CNM

Advanced Practice Midwife

NPI 1033558267

Certified Nurse Midwife

Elizabeth Ball , PA-C

Physician Assistant

NPI 1053826107

Physician Assistant (Certified)

Dr. Prerna Pandya , MD

Obstetrics & Gynecology - Female Pelvic Medicine and Reconstructive Surgery

NPI 1063754125

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

17 Historical Events
📍
Updated Practice Location July 28, 2026

Registered at 9200 W WISCONSIN AVE, MILWAUKEE, WI 532263522 (Tel: 4148056600)

📍
Updated Business Mailing Address July 28, 2026

Registered at 9200 W WISCONSIN AVE, MILWAUKEE, WI 532263522 (Tel: 4148056600)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 28, 2026

Pediatrics (License #68780-021 in WI)

📍
Updated Practice Location July 29, 2023

Registered at 1 CHILDRENS PL, MSC 8116-0043-08, ST LOUIS, MO 63110 (Tel: 3144544826)

📍
Updated Business Mailing Address July 29, 2023

Registered at 1 CHILDRENS PL, MSC 8116-0043-08, ST LOUIS, MO 631101809 (Tel: 7074235323)

📍
Updated Practice Location December 09, 2020

Registered at 101 BODIN CIR, TRAVIS AFB, CA 945351809 (Tel: 7074235323)

📍
Updated Business Mailing Address December 09, 2020

Registered at 101 BODIN CIR, TRAVIS AFB, CA 945351809 (Tel: 7074235323)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 09, 2020

Pediatrics (License #68780-21 in WI)

👤
Provider Name / Credentials Updated April 29, 2019

Recorded as AMY HAMMEN, DO

📍
Updated Practice Location October 25, 2018

Registered at 1 CHILDRENS PLZ, DAYTON, OH 454041873 (Tel: 9376414074)

📍
Updated Business Mailing Address October 25, 2018

Registered at 1 CHILDRENS PLZ, DAYTON, OH 454041873 (Tel: 9376414074)

NPI Profile Active February 19, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location February 19, 2016

Registered at 4881 SUGAR MAPLE DR, WPAFB, OH 454335529 (Tel: 9372578715)

📍
Updated Business Mailing Address February 19, 2016

Registered at 1014 HIALEAH DR, RACINE, WI 534022164 (Tel: 2624981989)

👤
Provider Name / Credentials Updated February 19, 2016

Recorded as AMY HAMEISTER

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 19, 2016

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration February 19, 2016

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1841659729
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 19, 2016
Last Update: July 28, 2026
Sole Proprietor: No

Mailing Address

9200 W Wisconsin Ave

Milwaukee, WI 532263522

Phone: 4148056600

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.