NPPES file of Aug 9, 2026

Mary S. Knutson, ARNP

Nurse Practitioner · Denver, IA

Mary S. Knutson, ARNP is a nurse practitioner with a practice address in Denver, Iowa, and NPI 1144750829, issued on Jun 15, 2017. Check the license (Iowa A109101, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144750829
Name
Mary S. Knutson
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
A109101 IA
Self-reported in NPPES; status is on the state search
Practice location
111 Tower St, Denver, IA 50622
Phone
(319) 984-5645
Enumerated
Jun 15, 2017
Record last updated
Jun 19, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(319) 984-5364
Medicare enrollment
Enrolled (PECOS I20170714002552); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mary S. Knutson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license A109101
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

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6.4 times the Medicare Part D claims of the average nurse practitioner in 2024

7,049 Medicare Part D claims for 444 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 179 claims were for opioids.

  1. Mary Knutson7,049
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium656 claims
  2. Lisinopril462 claims
  3. Levothyroxine Sodium253 claims
  4. Furosemide224 claims
  5. Hydrochlorothiazide211 claims
  6. Omeprazole195 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.

Bills Medicare through one group practice

  1. Unified Therapy Services, IncDubuque, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary S. Knutson among 1,294 nurse practitioner records in Iowa

Mary S. Knutson, ARNP is one of 1,294 nurse practitioner records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 49% of them.

  • NPI issued2017 · 49% of these records are older, 45% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2017 · median 2018 among the 873 with a school on file
  • Record last updated2017 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 nurse practitioner record lists a practice address in Denver

They are 1 of the 15 NPPES records with a practice address in Denver, and 1,294 nurse practitioner records in Iowa.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Joanne Robinson, ARNPCharles City, IA 506161639106214
  2. Brenda Cooper, ARNPCedar Falls, IA 506141770537300
  3. Mariah Forsyth, ARNPCedar Falls, IA 506131932947702
  4. Marcia Hillman, ARNPCedar Falls, IA 506131861420127
  5. Teresa Hippen, ARNPCedar Falls, IA 506131669887006
  6. Carolyn Johnson, NURSE PRACTITIONERCedar Falls, IA 506131134417280
  7. Elysia Jones, ARNPCedar Falls, IA 506131811422108
  8. Cassie KurashCedar Falls, IA 506131295220192

Common questions

What is Mary S. Knutson, ARNP's NPI number?

Mary S. Knutson, ARNP's National Provider Identifier (NPI) is 1144750829, issued on Jun 15, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mary S. Knutson, ARNP located?

The NPPES record lists a practice address at 111 Tower St, Denver, IA, 50622. Phone: (319) 984-5645. Providers update this record themselves, so call before visiting.

How can I verify Mary S. Knutson, ARNP's license?

NPPES lists Iowa license number A109101, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Mary S. Knutson, ARNP prescribe under Medicare Part D?

In 2024, Mary S. Knutson, ARNP had 7,049 Medicare Part D claims for 444 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

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.