MARY K FRIESS APNP
NPI 1750479820
Nurse Practitioner - Family in Oshkosh, WI

Active since October 11, 2006PECOS EnrolledAccepts Medicare Assignment
95.81/100
CMS Quality Rating
500 ALGOMA BLVD, UW OSHKOSH - COLLEGE OF NURSING, OSHKOSH, WI 54901(920) 926-2605 Get Directions Write a Review

NPPES record last updated: October 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mary K Friess Apnp NPPES

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

MARY K FRIESS APNP (NPI 1750479820) is an individual family provider in Oshkosh, Wisconsin, licensed in Wisconsin (2978) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1750479820
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY K FRIESSCredential: APNP
Location Address500 ALGOMA BLVD, UW OSHKOSH - COLLEGE OF NURSINGOshkosh, WI 54901
Mailing Address500 Algoma Blvd, Uw Oshkosh - College Of NursingOshkosh, WI 54901 · (920) 926-8340
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateOctober 11, 2006
Last NPPES UpdateOctober 3, 2025
NPPES CertifiedOctober 3, 2025
NPI 1750479820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in WI · 2978
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 2978-033 (WI)
500 ALGOMA BLVD, Oshkosh, WI 54901

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

Mary K Friess Apnp 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 ID5294732178
PECOS Enrollment IDI20061107000429
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 19

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.

Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 99487
Complex chronic care management is a service for patients with two or more long-term health conditions. It involves a healthcare professional directing clinical staff in providing care for the first 60 minutes each month. This helps manage your health conditions effectively.
1,681 services368 patients
Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489
Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.
1,478 services366 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
1,464 services375 patients
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458
This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.
1,389 services132 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
851 services141 patients
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
313 services77 patients

Hospital Affiliations CMS Care Compare 5

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

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Marshfield Medical Center - Beaver Dam (mmc-Bd)

Acute Care Hospitals · Beaver Dam, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520076
Location707 S University AveBeaver Dam, WI 53916 · Dodge County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Columbus Community Hospital

Critical Access Hospitals · Columbus, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521338
Location1515 Park AveColumbus, WI 53925 · Columbia County
Emergency services

Berlin Memorial Hospital

Critical Access Hospitals · Berlin, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521355
Location225 Memorial DriveBerlin, WI 54923 · Green Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54901 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
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
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.

95.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Promoting Interoperability81
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers85 claims162 services$5.91 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
3 suppliers15 claims23 services$1.07 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers11 claims11 services$68.63 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers34 claims34 services$26.83 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers11 claims11 services$184.27 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Mary Friess's NPI number?

The NPI number for Mary Friess is 1750479820. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Mary Friess located?

Mary Friess practices at 500 Algoma Blvd Uw Oshkosh - College Of Nursing, Oshkosh, WI 54901. The listed phone number is (920) 926-2605.

What is Mary Friess's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Friess enrolled in Medicare?

Yes. Mary Friess 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 Mary Friess accept?

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

According to CMS data, Mary Friess is affiliated with Marshfield Medical Center, Marshfield Medical Center - Beaver Dam (mmc-Bd), University Of Wi Hospitals & Clinics Authority, Columbus Community Hospital and Berlin Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Mary Friess was last updated on October 3, 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.