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

Q: 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.

Q: What is Mary Friess's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mary Friess was last updated on October 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

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: July 26, 2026.

On this page

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 Columbus Community Hospital, 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

Phone(920) 926-2605

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

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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

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 21

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 custodial care facility, group care, or assisted living visit, typically 1 hour 99337

This service involves a healthcare professional visiting an established patient in a group care facility or assisted living for about an hour. The visit may include health checks, medication management, and addressing any health concerns to maintain the patient's well-being.

851 services228 patients

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.

614 services142 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.

543 services138 patients

Established patient custodial care facility, group care, or assisted living visit, typically 40 minutes 99336

This is a routine visit for established patients residing in care facilities like nursing homes or assisted living. The visit typically lasts about 40 minutes, during which the healthcare provider checks your overall health, discusses any concerns, and adjusts care plans as needed.

150 services108 patients

Follow-up hospital inpatient care per day, typically 25 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

116 services71 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 21 or more minutes 99423

This service involves a week-long digital assessment and management program for existing patients. It includes continuous health monitoring, virtual consultations, and personalized treatment plans. The total time spent is 21 minutes or more, ensuring comprehensive care.

102 services77 patients

New patient custodial care facility, group care, or assisted living visit, typically 75 minutes 99328

This service involves an initial visit to a new patient in a custodial care facility, group care, or assisted living. The visit typically lasts 75 minutes and focuses on assessing the patient's health status, understanding their needs, and planning their ongoing care.

93 services93 patients

Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service) G0506

This service involves a thorough evaluation of patients needing ongoing care for chronic conditions. It includes creating a tailored care plan, coordinating with healthcare providers, and monitoring progress regularly. The goal is to provide optimal, personalized care for your long-term health needs.

79 services79 patients

Assessment of and care planning for impaired thought processing, typically 50 minutes 99483

This service involves a thorough evaluation of your thought processes, which may be impacting your daily life. In a typical 50-minute session, a healthcare professional will assess your cognitive abilities, identify any areas of concern, and develop a personalized care plan to help improve your mental function.

61 services61 patients

Initial hospital inpatient care per day, typically 70 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

53 services53 patients

Follow-up hospital inpatient care per day, typically 35 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

52 services40 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 99421

This service involves a week-long digital assessment of your health status. It's conducted online by your healthcare provider, focusing on managing your existing health condition. The process takes 5-10 minutes of your time daily, ensuring optimal health management.

51 services38 patients

Established patient custodial care facility, group care, or assisted living visit, typically 25 minutes 99335

This refers to a routine medical visit for an established patient living in a group care facility, custodial care, or assisted living. The visit typically lasts 25 minutes and includes a check-up and discussion about ongoing healthcare needs.

49 services44 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.

34 services17 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.

31 services15 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

21 services21 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

19 services16 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes 99422

This is a digital health service for existing patients. Over a week, your healthcare provider will assess and manage your health concerns online. The total time spent communicating will be between 11-20 minutes. This service offers convenience and continuous care.

15 services15 patients

Established patient custodial care facility, group care, or assisted living visit, typically 15 minutes 99334

This is a routine 15-minute visit for patients residing in care facilities like nursing homes or assisted living. During this visit, healthcare providers review the patient's health, manage medications, and address any concerns or changes in condition. It ensures continuous, quality care.

13 services11 patients

Extended office or other outpatient service, first hour 99354

This service refers to an extended consultation with your healthcare provider, typically lasting for an hour. It allows for a comprehensive evaluation and management of your health condition. This could involve discussions about your medical history, physical examinations, and potential treatment plans.

13 services12 patients

Melanoma (skin cancer) excision NAN03

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

0 services1 patient

Hospital Affiliations CMS Care Compare

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

Columbus Community Hospital

Critical Access Hospitals · Columbus, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521338

Location1515 Park AveColumbus, WI 53925 · Columbia County

Emergency services

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

Quality

100

Promoting Interoperability

Improvement Activities

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 Columbus Community Hospital.

When was this NPI record last updated?

The NPPES record for Mary Friess was last updated on October 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.