HANNAH ELIZABETH WILLIAMS PA-C
NPI 1588225544
Physician Assistant in Milwaukee, WI

Active since June 21, 2019PECOS EnrolledAccepts Medicare Assignment
81.99/100
CMS Quality Rating
2801 W KINNICKINNIC RIVER PKWY STE 1080, MILWAUKEE, WI 53215(414) 908-6506(414) 908-6510 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 26, 2026, Mar 22, 2023, Mar 15, 2023 and 2 more (5 updates tracked since 2019).

About Hannah Elizabeth Williams Pa-c NPPES

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

HANNAH ELIZABETH WILLIAMS PA-C (NPI 1588225544) is an individual physician assistant in Milwaukee, Wisconsin, licensed in Wisconsin (4785-23) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Ascension All Saints Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1588225544
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameHANNAH ELIZABETH WILLIAMSCredential: PA-C
Location Address2801 W KINNICKINNIC RIVER PKWY STE 1080Milwaukee, WI 53215-3689
Mailing Address2801 W Kinnickinnic River Pkwy Ste 1080Milwaukee, WI 53215-3689 · (414) 908-6506 · Fax (414) 908-6510
Fax(414) 908-6510
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJune 21, 2019
Last NPPES UpdateJanuary 26, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
NPI 1588225544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in WI · 4785-23
Definition
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.
2801 W KINNICKINNIC RIVER PKWY STE 1080, Milwaukee, WI 53215

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Hannah Elizabeth Williams Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234565524
PECOS Enrollment IDI20200205000630
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
28 services24 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services24 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension All Saints Hospital

Acute Care Hospitals · Racine, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520096
Location3801 Spring StRacine, WI 53405 · Racine County
Emergency services Birthing friendly

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.73
Promoting Interoperability83
Improvement Activities40
Cost75.16

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.

Nurse Practitioner (Family)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Physician Assistant
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Pediatrics (Pediatric Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215

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 Hannah Williams's NPI number?

The NPI number for Hannah Williams is 1588225544. It was assigned to this individual provider in the NPPES registry on June 21, 2019.

Where is Hannah Williams located?

Hannah Williams practices at 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 53215. The listed phone number is (414) 908-6506.

What is Hannah Williams's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Hannah Williams enrolled in Medicare?

Yes. Hannah Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Hannah Williams accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Network Health, Quartz and UnitedHealthcare list Hannah Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Hannah Williams affiliated with any hospitals?

According to CMS data, Hannah Williams is affiliated with Ascension All Saints Hospital and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for Hannah Williams was last updated on January 26, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.