Mary Makenna Pedersen, FNP-C
Primary Care Nurse Practitioner · Jefferson, IA
Mary Makenna 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.
- Name
- Mary Makenna 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
- Record last updated
- Sep 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211004001717); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 61 in Iowa → Look up another NPI →
Also registered at 1000 W Lincoln Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Makenna Pedersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A165415Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% 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 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 63 claims were for opioids.
Most prescribed
- Levothyroxine Sodium114 claims
- Omeprazole94 claims
- Lisinopril77 claims
- Losartan Potassium62 claims
- Amlodipine Besylate60 claims
- 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; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 4,321 providers of this specialty with any payment received $625.13 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
- Greene County Medical CenterJefferson, IA · Critical Access Hospitals
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).
Mary Makenna Pedersen among 61 primary care nurse practitioner records in Iowa
Mary Makenna Pedersen, FNP-C is one of 61 primary care nurse practitioner records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 43% of them.
- NPI issued2021 · 43% of these records are older, 39% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2021 · median 2021 among the 43 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 primary care nurse practitioner record lists a practice address in Jefferson
They are 1 of the 60 NPPES records with a practice address in Jefferson, and 61 primary care nurse practitioner records in Iowa.
All 61 in Iowa → Every provider in Jefferson → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Emmanuel BempahJohnston, IA 501311326972365
- Jessica Ogden, ARNPNewton, IA 502081851965875
- Kendra Perry, NPPella, IA 502191275247736
- Jennifer Blaylock, FNPPolk City, IA 502261316651524
- Jamie SteenhoekPrairie City, IA 502281417469487
- Molly BrechtWest Des Moines, IA 502661518792340
- Jody Horstman, ARNPWest Des Moines, IA 502661962923417
- Candice Gruss, ARNPDes Moines, IA 503091457961476
Common questions
What is Mary Makenna Pedersen, FNP-C's NPI number?
Mary Makenna 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 Makenna 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 Makenna 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 Makenna Pedersen, FNP-C prescribe under Medicare Part D?
In 2024, Mary Makenna Pedersen, FNP-C had 2,345 Medicare Part D claims for 215 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.