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ALISSA M GESIOR PA
NPI 1871188185
Physician Assistant in Milwaukee, WI

Active since March 08, 2021PECOS EnrolledAccepts Medicare Assignment
945 N 12TH ST, MILWAUKEE, WI 53233(414) 219-2000 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Apr 29, 2026, Jan 10, 2022, Nov 16, 2021 and 1 more (4 updates tracked since 2021).

About Alissa M Gesior Pa NPPES

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

ALISSA M GESIOR PA (NPI 1871188185) is an individual physician assistant in Milwaukee, Wisconsin, licensed in Wisconsin (5573-023) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1871188185
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALISSA M GESIORCredential: PA
Location Address945 N 12TH STMilwaukee, WI 53233-1305
Mailing Address3301 W Forest Home AveMilwaukee, WI 53215-2843 · (414) 219-2000
Phone(414) 219-2000
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 8, 2021
Last NPPES UpdateApril 29, 20264 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1871188185 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 · 5573-023
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.
945 N 12TH ST, Milwaukee, WI 53233
Open in Google Maps ↗

Other Names 1

Former Name (1)Alissa M Pescheck Pa

Accepted Insurance

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

Alissa M Gesior Pa 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 ID8426449414
PECOS Enrollment IDI20211230000961
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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
34 services31 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53233 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.

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.

RICHARD COMPTON KURTZ II MD
Family Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-0000
MS. ANN M YOCKEY APNP
Nurse Practitioner
945 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-5800
DR. ALINA M WINANS MD
Emergency Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-2000
MS. MORANDA MARIA MEDINA-LOPEZ RN
Registered Nurse
945 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-2000
XENAYSHMA ZHAYLEENE GNAS-PACHECO
Registered Nurse (Registered Nurse First Assistant)
945 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 000-0000
PROGRESSIVE COMMUNITY HEALTH CENTERS, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
945 N 12TH ST, URGENT CARE
MILWAUKEE, WI 53233
Milwaukee County (414) 935-8000
JOSEPH SHAOUL
Anesthesiologist Assistant
945 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-2000
MICHELE DUDA
Nurse Practitioner
945 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-7021

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 Alissa Gesior's NPI number?

The NPI number for Alissa Gesior is 1871188185. It was assigned to this individual provider in the NPPES registry on March 8, 2021. The provider is also known as Alissa M Pescheck PA.

Where is Alissa Gesior located?

Alissa Gesior practices at 945 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 219-2000.

What is Alissa Gesior's specialty?

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

Is Alissa Gesior enrolled in Medicare?

Yes. Alissa Gesior 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 Alissa Gesior accept?

Health plans from CareSource (Common Ground Healthcare) and UnitedHealthcare list Alissa Gesior 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 Alissa Gesior affiliated with any hospitals?

According to CMS data, Alissa Gesior is affiliated with Aurora St Lukes Medical Center.

When was this NPI record last updated?

The NPPES record for Alissa Gesior was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.