Registry data as of Aug 27, 2026

Mary Pedersen, FNP-C

Primary Care Nurse Practitioner · Jefferson, IA

Mary Pedersen, FNP-C is a primary care nurse practitioner with a practice address in Jefferson, Iowa, and NPI 1700554979, issued on Sep 2, 2021. Check the license (Iowa A165415, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1700554979
Name
Mary Pedersen
Credential
FNP-C
Primary taxonomy
Primary Care Nurse Practitioner 363LP2300X
License number
A165415 IA
Self-reported in NPPES; status is on the state search
Practice location
1000 W Lincoln Way, Jefferson, IA 50129
Phone
(515) 386-0500
Enumerated
Sep 2, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1000 W Lincoln Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alec AntanaitisGerontology Nurse Practitioner1104715770
  2. Ashley BeekmanPhysical Therapy Assistant1215525290
  3. Mark Buettner, DOEmergency Medicine Physician1861474421
  4. Taylan EntrikenPhysical Therapy Assistant1003679143
  5. Erica ErdahlRegistered Dietitian1700467073
  6. Ashley FridayPhysical Therapist1861836488

Verify Mary Pedersen 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 A165415
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

59% more Medicare Part D claims than the average primary care nurse practitioner in 2024

2,345 Medicare Part D claims for 215 beneficiaries, against an average of 1,471 among the 5,882 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 63 claims were for opioids.

  1. Mary Pedersen2,345
  2. Specialty average1,471

Most prescribed

  1. Levothyroxine Sodium114 claims
  2. Omeprazole94 claims
  3. Lisinopril77 claims
  4. Losartan Potassium62 claims
  5. Amlodipine Besylate60 claims
  6. Atorvastatin Calcium56 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.

Industry payments in 2024: $531.34

15 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 4,250 providers of this specialty with any payment received $627.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Pedersen$531.34
  2. Specialty average$627.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Greene County Medical CenterJefferson, IA · Critical Access Hospitals

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1 primary care nurse practitioner records list a Jefferson practice address

They are 1 of the 60 NPPES records with a Jefferson practice address, and 70 primary care nurse practitioner records in Iowa.

Other primary care nurse practitioner records in Iowa

  1. Roha AberaSioux City, IA1841928991
  2. Jodi Bangasser, ARNPCharles City, IA1023465267
  3. Emmanuel BempahJohnston, IA1326972365
  4. Rachel Benson, DNP, ARNPCedar Falls, IA1457820946
  5. Hayle BockenstedtDyersville, IA1417439787
  6. Molly BrechtWest Des Moines, IA1518792340
  7. Amanda Buse, FNPWall Lake, IA1417468091
  8. Kacy Carew, ARNPIowa City, IA1811656333
  9. Kassidee ChurchDavenport, IA1306790233
  10. Chimene Cobb, ARNPLenox, IA1871263350

Common questions

What is Mary Pedersen, FNP-C's NPI number?

Mary Pedersen, FNP-C's National Provider Identifier (NPI) is 1700554979, issued on Sep 2, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mary Pedersen, FNP-C located?

The NPPES record lists a practice address at 1000 W Lincoln Way, Jefferson, IA, 50129. Phone: (515) 386-0500. Providers update this record themselves, so call before visiting.

How can I verify Mary Pedersen, FNP-C's license?

NPPES lists Iowa license number A165415, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Pedersen, FNP-C prescribe under Medicare Part D?

In 2024, Mary Pedersen, FNP-C had 2,345 Medicare Part D claims for 215 beneficiaries; the average among primary care nurse practitioner prescribers was 1,471. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.