ANN LOUISE MASON FNP
NPI 1952696049
Nurse Practitioner - Family in Grand Forks, ND

Q: What is Ann Mason's NPI number?

The NPI number for Ann Mason is 1952696049. It was assigned to this individual provider in the NPPES registry on June 16, 2011.

Q: What is Ann Mason'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 Ann Mason was last updated on August 2, 2022. 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.

Active since June 16, 2011PECOS EnrolledAccepts Medicare Assignment

82.99/100

CMS Quality Rating

1750 47TH AVE S, GRAND FORKS, ND 58201(701) 757-8700 Get Directions Write a Review

NPPES record last updated: August 2, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Ann Louise Mason Fnp NPPES

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

ANN LOUISE MASON FNP (NPI 1952696049) is an individual family provider in Grand Forks, North Dakota, licensed in North Dakota (R31004) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Riverview Hospital, and maintains a secondary practice location in Grand Forks.

NPPES Registry Identity

NPI1952696049

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameANN LOUISE MASONCredential: FNP

Location Address1750 47TH AVE SGrand Forks, ND 58201-7595

Mailing AddressPo Box 5074Sioux Falls, SD 57117-5074

Phone(701) 757-8700

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateJune 16, 2011

Last NPPES UpdateAugust 2, 2022

NPPES CertifiedAugust 2, 2022

✔ NPI 1952696049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in ND · R31004

1750 47TH AVE S, Grand Forks, ND 58201

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Secondary Practice Location 1

Location 11000 S Columbia RdGrand Forks, ND 58201-4032 · Phone (701) 780-5000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Sanford Health Plan, Security Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ann Louise Mason Fnp 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 ID6406025345

PECOS Enrollment IDI20110809000776

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.

Medicare Billing Reassignments

Medicare enrollment records show Ann Mason reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kidney And Hypertension Plc

0.8 mi

Multi-Specialty

5750 S WASHINGTON ST
Grand Forks, ND 58201

Reassigned Medicare billing, North Dakota enrollment
13 clinicians in this Medicare group

NPI 1285742262 (701) 775-5800

Altru Health System

2.5 mi

Clinic/Center

1300 S COLUMBIA RD
Grand Forks, ND 58201

Reassigned Medicare billing, Minnesota enrollment
193 clinicians in this Medicare group

NPI 1043309552 (701) 780-5000

Sanford Medical Center Fargo

69 mi

Occupational Medicine

3838 12TH AVE N
Fargo, ND 58102

Reassigned Medicare billing, North Dakota enrollment
1,464 clinicians in this Medicare group

NPI 1952323974 (701) 234-4700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,450 services13 patients

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.

319 services154 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

316 services172 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

276 services146 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

274 services165 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

226 services131 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

201 services101 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

190 services150 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

74 services21 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

59 services12 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.

48 services48 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

29 services18 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

22 services21 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

21 services20 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

19 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

18 services18 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

15 services15 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Riverview Hospital

Critical Access Hospitals · Crookston, MN

OwnershipVoluntary non-profit - Private

CMS Certification Number241320

Location323 South MinnesotaCrookston, MN 56716 · Polk County

Emergency services

Sanford Thief River Falls Medical Center

Critical Access Hospitals · Thief River Falls, MN

OwnershipVoluntary non-profit - Private

CMS Certification Number241381

Location3001 Sanford ParkwayThief River Falls, MN 56701 · Pennington County

Emergency services

Sanford Medical Center Fargo

Acute Care Hospitals · Fargo, ND

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number350011

Location801 Broadway NorthFargo, ND 58122 · Cass County

Emergency services Birthing friendly

Altru Hospital

Acute Care Hospitals · Grand Forks, ND

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number350019

Location1200 S Columbia RdGrand Forks, ND 58201 · Grand Forks County

Emergency services Birthing friendly

First Care Health Center

Critical Access Hospitals · Park River, ND

OwnershipVoluntary non-profit - Private

CMS Certification Number351326

Location115 Vivian StPark River, ND 58270 · Walsh County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58201 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

$85.71 typical visit price

range $55.75 – $168.12

Typical copayment $21.42 (range $13.93 – $42.03)

Most-billed visit code 99203

Established Patient

$98.29 typical visit price

range $18.11 – $137.65

Typical copayment $24.57 (range $4.52 – $34.41)

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.

82.99/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

87.06

Promoting Interoperability

Improvement Activities

Cost

57.08

Referred Medical Equipment & Supplies CMS DME claims 8

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

12 suppliers83 claims197 services$5.15 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers16 claims21 services$0.81 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

2 suppliers13 claims49 services$18.73 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

3 suppliers14 claims14 services$57.85 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

3 suppliers12 claims12 services$18.60 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

3 suppliers18 claims76 services$2.42 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 17

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

COREY ZIMMERMAN DPT

Physical Therapist