MARGARET M DRESEN PA-C
NPI 1447727805
Physician Assistant in Madison, WI

Active since October 24, 2018PECOS EnrolledAccepts Medicare Assignment
700 S PARK ST, MADISON, WI 53715(608) 251-6100(608) 258-6259 Get Directions Write a Review

NPPES record last updated: November 17, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 17, 2021, Nov 3, 2020, Oct 24, 2018 (3 updates tracked since 2018).

About Margaret M Dresen Pa-c NPPES

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

MARGARET M DRESEN PA-C (NPI 1447727805) is an individual physician assistant in Madison, Wisconsin and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - Madison, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1447727805
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARGARET M DRESENCredential: PA-C
Location Address700 S PARK STMadison, WI 53715-1830
Mailing Address700 S Park StMadison, WI 53715-1830 · (608) 251-6100 · Fax (608) 258-6259
Fax(608) 258-6259
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateOctober 24, 2018
Last NPPES UpdateNovember 17, 20213 updates tracked since enumeration
NPPES CertifiedNovember 17, 2021
NPI 1447727805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
700 S PARK ST, Madison, WI 53715

Other Names 1

Former Name (1)Margaret M O'shea Pa-c

Other Identifiers 1

Medicaid1447727805WI

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

Margaret M Dresen 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 ID3476807397
PECOS Enrollment IDI20181113001233
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.

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520083
Location700 South Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53715 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.

Physician Assistant
700 S PARK ST
MADISON, WI 53715
Physician Assistant (Surgical)
700 S PARK ST, DEAN ST. MARY'S OUTPATIENT CENTER
MADISON, WI 53715
Physician Assistant
700 S PARK ST, DEAN MEDICAL CENTER
MADISON, WI 53715
Anesthesiology
700 S PARK ST
MADISON, WI 53715
Internal Medicine (Cardiovascular Disease)
700 S PARK ST, DEAN & ST. MARY'S OUTPATIENT CENTER
MADISON, WI 53715
Physician Assistant
700 S PARK ST
MADISON, WI 53715
Nurse Practitioner
700 S PARK ST
MADISON, WI 53715
Nurse Anesthetist, Certified Registered
700 S PARK ST
MADISON, WI 53715

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 Margaret Dresen's NPI number?

The NPI number for Margaret Dresen is 1447727805. It was assigned to this individual provider in the NPPES registry on October 24, 2018. The provider is also known as Margaret M O'shea Pa-C.

Where is Margaret Dresen located?

Margaret Dresen practices at 700 S Park St, Madison, WI 53715. The listed phone number is (608) 251-6100.

What is Margaret Dresen's specialty?

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

Is Margaret Dresen enrolled in Medicare?

Yes. Margaret Dresen 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.

Is Margaret Dresen affiliated with any hospitals?

According to CMS data, Margaret Dresen is affiliated with Ssm Health St Mary's Hospital - Madison.

When was this NPI record last updated?

The NPPES record for Margaret Dresen was last updated on November 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.