Ann Louise Mason, FNP
Family Nurse Practitioner · Grand Forks, ND
Ann Louise Mason, FNP is a family nurse practitioner with a practice address in Grand Forks, North Dakota, and NPI 1952696049, issued on Jun 16, 2011. Check the license (North Dakota R31004, as entered in NPPES) with the North Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann Louise Mason
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R31004 ND
Self-reported in NPPES; status is on the state search - Practice location
- 1750 47TH Ave S, Grand Forks, ND 58201
- Phone
- (701) 757-8700
- Enumerated
- Jun 16, 2011
- Record last updated
- Aug 2, 2022
- Medicare enrollment
- Enrolled (PECOS I20110809000776); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 757 in North Dakota → Look up another NPI →
Also registered at 1750 47TH Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hillary DetermanFamily Nurse Practitioner1407514391
- Sophia Gapp, LRD, RDRegistered Dietitian1184461634
- Jennifer Haugen, LRDRegistered Dietitian1316166614
Verify Ann Louise Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
Search for license R31004Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average family nurse practitioner in 2024
5,265 Medicare Part D claims for 304 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 172 claims were for opioids.
Most prescribed
- Losartan Potassium241 claims
- Levothyroxine Sodium232 claims
- Metformin Hcl222 claims
- Atorvastatin Calcium215 claims
- Ozempic156 claims
- Amlodipine Besylate148 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.83
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Sanford Medical Center FargoWest Fargo, ND · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Ann Louise Mason among 757 family nurse practitioner records in North Dakota
Ann Louise Mason, FNP is one of 757 family nurse practitioner records with a practice address in North Dakota. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 19% of them.
- NPI issued2011 · 19% of these records are older, 78% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2011 · median 2019 among the 556 with a school on file
- Record last updated2022 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
76 family nurse practitioner records list a practice address in Grand Forks
They are 76 of the 2,524 NPPES records with a practice address in Grand Forks, and 757 family nurse practitioner records in North Dakota.
All 757 in North Dakota → Every provider in Grand Forks → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jade Ammons, FNP-BCGrand Forks, ND 582011164836862
- Steven Barlow, FNPGrand Forks, ND 582011275815680
- Seth Dorman, FNP-CGrand Forks, ND 582011841205689
- Mary Pat Holler-Bibel, FNPGrand Forks, ND 582011023075975
- Casey Hoover, FNP-CGrand Forks, ND 582011780607788
- Jessica Kotrba, FNP-CGrand Forks, ND 582011801141049
- Michael Kropp, FNP-CGrand Forks, ND 582011306092069
- Kelly Leach, FNP-CGrand Forks, ND 582011972836385
Common questions
What is Ann Louise Mason, FNP's NPI number?
Ann Louise Mason, FNP's National Provider Identifier (NPI) is 1952696049, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ann Louise Mason, FNP located?
The NPPES record lists a practice address at 1750 47TH Ave S, Grand Forks, ND, 58201. Phone: (701) 757-8700. Providers update this record themselves, so call before visiting.
How can I verify Ann Louise Mason, FNP's license?
NPPES lists North Dakota license number R31004, as entered by the provider. Search the North Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Ann Louise Mason, FNP prescribe under Medicare Part D?
In 2024, Ann Louise Mason, FNP had 5,265 Medicare Part D claims for 304 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Ann Louise Mason, FNP's MIPS final score?
The 2023 MIPS final score is 83 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.