ANNALISE M MATHISEN PA-C
NPI 1497309884
Physician Assistant in De Pere, WI

Active since July 24, 2019PECOS EnrolledAccepts Medicare Assignment
1716 LAWRENCE DR STE 103, DE PERE, WI 54115(920) 632-6800(920) 632-6806 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 11, 2025, Oct 7, 2025, Apr 3, 2024 and 5 more (8 updates tracked since 2019).

About Annalise M Mathisen Pa-c NPPES

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

ANNALISE M MATHISEN PA-C (NPI 1497309884) is an individual physician assistant in De Pere, Wisconsin, licensed in Wisconsin (4758-23) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Oshkosh, and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1497309884
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameANNALISE M MATHISENCredential: PA-C
Location Address1716 LAWRENCE DR STE 103De Pere, WI 54115-9108
Mailing Address1716 Lawrence Dr Ste 103De Pere, WI 54115-9108 · (920) 632-6800 · Fax (920) 632-6806
Fax(920) 632-6806
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 24, 2019
Last NPPES UpdateDecember 11, 20258 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
NPI 1497309884 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 · 4758-23
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.
1716 LAWRENCE DR STE 103, De Pere, WI 54115

Other Names 1

Former Name (1)Annalise M Kelsey Pa-c

Secondary Practice Locations 7

Location 1614 Memorial DrChilton, WI 53014-1568 · Phone (920) 632-6800 · Fax (920) 632-6806
Location 21501 S Madison StAppleton, WI 54915-1846 · Phone (920) 632-6800 · Fax (920) 632-6806
Location 31506 S Oneida StAppleton, WI 54915-1305 · Phone (920) 632-6800 · Fax (920) 632-6806
Location 42700 W 9th Ave Ste 305Oshkosh, WI 54904-7865 · Phone (920) 632-6800 · Fax (920) 632-6806
Location 5500 S Oakwood RdOshkosh, WI 54904-7944 · Phone (920) 632-6800 · Fax (920) 632-6806
Location 61540 Lyon Dr Ste 1Neenah, WI 54956-5037 · Phone (920) 632-6800 · Fax (920) 632-6806
Location 7451 E Brooklyn St Ste 1Chilton, WI 53014-1595 · Phone (920) 632-6800 · Fax (920) 632-6806

Other Identifiers 1

Medicaid100093072WI

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

Annalise M Mathisen 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 ID1254660293
PECOS Enrollment IDI20190917000975
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.
66 services36 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
23 services18 patients

Hospital Affiliations CMS Care Compare

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

Aurora Medical Ctr Oshkosh

Acute Care Hospitals · Oshkosh, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520198
Location855 N Westhaven DriveOshkosh, WI 54904 · Winnebago County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54115 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 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology (Pain Medicine)
1716 LAWRENCE DR STE 103
DE PERE, WI 54115
Nurse Practitioner
1716 LAWRENCE DR STE 103
DE PERE, WI 54115
Anesthesiology (Pain Medicine)
1716 LAWRENCE DR STE 103
DE PERE, WI 54115
Anesthesiology
1716 LAWRENCE DR STE 103
DE PERE, WI 54115
Pain Medicine (Interventional Pain Medicine)
1716 LAWRENCE DR STE 103
DE PERE, WI 54115
Nurse Practitioner
1716 LAWRENCE DR STE 103
DE PERE, WI 54115
Nurse Practitioner
1716 LAWRENCE DR STE 103
DE PERE, WI 54115
Anesthesiology (Pain Medicine)
1716 LAWRENCE DR STE 103
DE PERE, WI 54115

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 Annalise Mathisen's NPI number?

The NPI number for Annalise Mathisen is 1497309884. It was assigned to this individual provider in the NPPES registry on July 24, 2019. The provider is also known as Annalise M Kelsey Pa-C.

Where is Annalise Mathisen located?

Annalise Mathisen practices at 1716 Lawrence Dr Ste 103, De Pere, WI 54115. The listed phone number is (920) 632-6800.

What is Annalise Mathisen's specialty?

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

Is Annalise Mathisen enrolled in Medicare?

Yes. Annalise Mathisen 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 Annalise Mathisen accept?

Health plans from Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners, Quartz and UnitedHealthcare list Annalise Mathisen 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 Annalise Mathisen affiliated with any hospitals?

According to CMS data, Annalise Mathisen is affiliated with Aurora Medical Ctr Oshkosh.

When was this NPI record last updated?

The NPPES record for Annalise Mathisen was last updated on December 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.