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Active NPI 1588225544 Individual Practitioner Female Practitioner

Hannah Elizabeth Williams , PA-C

Physician Assistant • Milwaukee, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Hannah Williams, PA-C is a certified Physician Assistant practicing in Milwaukee, WI. With approximately 7 years of clinical experience since completing medical education in 2019, Hannah Williams delivers high-quality medical care to the local community at 2801 W KINNICKINNIC RIVER PKWY STE 1080.

Hannah Williams maintains professional affiliations with Gi Associates Llc, Ascension Medical Group-Southeast Wisconsin Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2801 W Kinnickinnic River Pkwy Ste 1080

Milwaukee, WI 532153689

Telephone 4149086506
Fax 4149086510
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Milwaukee, WI

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -3.1 yrs vs City Avg
City Avg: 10.1 Yrs
State Avg: 14.1 Yrs
Regional Practice Density
824 Specialists

Practicing in Milwaukee, WI (3517 Statewide)

Telehealth Adoption Rate
11.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
66.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (7 Years) 7 Yrs
Milwaukee Specialty Average (10.1 Years) 10.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
28 24 $295.64 $100.18
99213 Established patient office or other outpatient visit, typically 15 minutes
24 24 $213.75 $72.48

Medical Specialties & State Licenses

CMS Verified: 2026-01-26
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License WI 4785-23

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Gi Associates Llc

19333 W N Ave, Brookfield, WI 530454132

Phone: 2627852000

Ascension Medical Group-Southeast Wisconsin Inc

201 N Mayfair Rd, Wauwatosa, WI 532264216

Gi Associates Llc

2801 W Kinnickinnic River Pkwy, Milwaukee, WI 532153689

Phone: 4149086500

Ascension Medical Group-Southeast Wisconsin Inc

9969 S 27th St, Franklin, WI 531329533

Phone: 4143254940

Ascension Medical Group-Southeast Wisconsin Inc

13950 W Capitol Dr, Brookfield, WI 530052441

Phone: 4143025400

Gi Associates Llc

3811 Spring St, Mount Pleasant, WI 534051667

Phone: 2626874011

Practice Associates & Co-Workers

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

40 Associated Practitioners
Mongtuyen Nguyen-Hoye , PA

Physician Assistant

NPI 1013984715

Physician Assistant

Dr. David Carron , MD

Internal Medicine - Gastroenterology

NPI 1023085487

Doctor of Medicine (M.D.)

Dr. Nathaniel Jest , DO

Internal Medicine - Gastroenterology

NPI 1053671982

Doctor of Osteopathic Medicine (D.O.)

Dr. James Kwiatt , MD

Internal Medicine - Gastroenterology

NPI 1093804544

Doctor of Medicine (M.D.)

Dr. Alan Mayer , MD

Pediatrics - Pediatric Gastroenterology

NPI 1134170988

Doctor of Medicine (M.D.)

Adam Van Huis

Internal Medicine - Gastroenterology

NPI 1215399381

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location March 22, 2023

Registered at 2801 W KINNICKINNIC RIVER PKWY STE 1080, MILWAUKEE, WI 532153689 (Tel: 4149086500)

👤
Provider Name / Credentials Updated March 22, 2023

Recorded as HANNAH WILLIAMS, PA-C

📍
Updated Business Mailing Address January 10, 2023

Registered at 2801 W KINNICKINNIC RIVER PKWY STE 1080, MILWAUKEE, WI 532153689 (Tel: 4149086500)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 10, 2023

Physician Assistant (License #4785-23 in WI)

NPI Profile Active June 21, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location June 21, 2019

Registered at S80W17784 BRENNAN DR, MUSKEGO, WI 531508828 (Tel: 2628959494)

📍
Updated Business Mailing Address June 21, 2019

Registered at S80W17784 BRENNAN DR, MUSKEGO, WI 531508828 (Tel: 2628959494)

👤
Provider Name / Credentials Updated June 21, 2019

Recorded as HANNAH KRUM, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 21, 2019

Physician Assistant

🟢
Initial NPI Registration & Enumeration June 21, 2019

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: 1588225544
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 21, 2019
Last Update: January 26, 2026
Sole Proprietor: No

Mailing Address

2801 W Kinnickinnic River Pkwy Ste 1080

Milwaukee, WI 532153689

Phone: 4149086506

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.