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ALYSSA LAUREN PETERSEN PA-C
NPI 1811791965
Physician Assistant in Milwaukee, WI

Active since April 01, 2025PECOS EnrolledAccepts Medicare Assignment
9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-0509 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 3, 2025, Apr 10, 2025, Apr 1, 2025 (3 updates tracked since 2025).

About Alyssa Lauren Petersen Pa-c NPPES

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

ALYSSA LAUREN PETERSEN PA-C (NPI 1811791965) is an individual physician assistant in Milwaukee, Wisconsin, licensed in Wisconsin (8271) and active in the NPI registry since April 2025. She is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1811791965
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALYSSA LAUREN PETERSENCredential: PA-C
Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 805-3310 · Fax (414) 805-3885
Phone(414) 805-0509
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateApril 1, 2025
Last NPPES UpdateOctober 14, 20253 updates tracked since enumeration
NPPES CertifiedOctober 14, 2025
✔ NPI 1811791965 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 · 8271
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.
9200 W WISCONSIN AVE, Milwaukee, WI 53226
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Other Identifiers 1

Medicaid1811791965WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Network Health.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

Alyssa Lauren Petersen 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 ID4082138508
PECOS Enrollment IDI20250407001334
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.

Hospital Affiliations CMS Care Compare

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

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services Birthing friendly

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
$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.

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 Alyssa Petersen's NPI number?

The NPI number for Alyssa Petersen is 1811791965. It was assigned to this individual provider in the NPPES registry on April 1, 2025.

Where is Alyssa Petersen located?

Alyssa Petersen practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-0509.

What is Alyssa Petersen's specialty?

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

Is Alyssa Petersen enrolled in Medicare?

Yes. Alyssa Petersen 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 Alyssa Petersen accept?

Health plans from Anthem Blue Cross and Blue Shield and Network Health list Alyssa Petersen 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 Alyssa Petersen affiliated with any hospitals?

According to CMS data, Alyssa Petersen is affiliated with Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for Alyssa Petersen was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.