NPPES file of Aug 9, 2026

Mary Lou Nora Fiedler, CNP

Family Nurse Practitioner · Sioux Falls, SD

Mary Lou Nora Fiedler, CNP is a family nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1093962706, issued on Aug 25, 2008. Check the license (South Dakota CP000537, as entered in NPPES) with the South Dakota 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
1093962706
Name
Mary Lou Nora Fiedler
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CP000537 SD
Self-reported in NPPES; status is on the state search
Practice location
6100 S Louise Ave Ste 2100, Sioux Falls, SD 57108
Phone
(605) 504-1100
Enumerated
Aug 25, 2008
Record last updated
Feb 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080923000476); 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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8 nearest family nurse practitioner records → All 862 in South Dakota → Look up another NPI →

Also registered at 6100 S Louise Ave Ste 2100

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

  1. Matthew Blake, M.D.Sports Medicine (Orthopaedic Surgery) Physician1730396904
  2. Laura Bleeker, NP-CFamily Nurse Practitioner1992386486
  3. Aaron Bosch, PA-CPhysician Assistant1982251203
  4. Michael Devish, D.O.Orthopaedic Surgery Physician1982821898
  5. Brian Dix, D.P.M.Podiatrist1679860548
  6. Rocio Fuentes Barrow, MDOrthopaedic Hand Surgery Physician1447509203

Verify Mary Lou Nora Fiedler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license CP000537    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 South Dakota 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.

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87% fewer Medicare Part D claims than the average family nurse practitioner in 2024

169 Medicare Part D claims for 63 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 30 claims were for opioids.

  1. Mary Fiedler169
  2. Specialty average1,305

Most prescribed

  1. Gabapentin48 claims
  2. Methocarbamol26 claims
  3. Oxycodone Hcl18 claims
  4. Prednisone13 claims
  5. Duloxetine Hcl12 claims
  6. Tizanidine Hcl11 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. Avera MckennanSioux Falls, SD

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

Mary Lou Nora Fiedler among 862 family nurse practitioner records in South Dakota

Mary Lou Nora Fiedler, CNP is one of 862 family nurse practitioner records with a practice address in South Dakota. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 13% of them.

  • NPI issued2008 · 13% of these records are older, 86% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2008 · median 2019 among the 615 with a school on file
  • Record last updated2021 · 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 363LF0000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

305 family nurse practitioner records list a practice address in Sioux Falls

They are 305 of the 6,563 NPPES records with a practice address in Sioux Falls, and 862 family nurse practitioner records in South Dakota.

All 862 in South Dakota → Every provider in Sioux Falls → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Patricia Bultsma, FNP/CSioux Falls, SD 571081841258159
  2. Irena Chernatinski, CNPSioux Falls, SD 571081700133667
  3. Heidi Furth, CNPSioux Falls, SD 571081669530671
  4. Abigail Gramlick-Mueller, CNPSioux Falls, SD 571081477786200
  5. Paul Kaffar, CNPSioux Falls, SD 571081053419903
  6. Rebecca Leonard, CNPSioux Falls, SD 571081073586632
  7. Sheryl Marckstadt, CNPSioux Falls, SD 571081487658837
  8. Andrea Meekins, CNPSioux Falls, SD 571081487817912

Common questions

What is Mary Lou Nora Fiedler, CNP's NPI number?

Mary Lou Nora Fiedler, CNP's National Provider Identifier (NPI) is 1093962706, issued on Aug 25, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mary Lou Nora Fiedler, CNP located?

The NPPES record lists a practice address at 6100 S Louise Ave Ste 2100, Sioux Falls, SD, 57108. Phone: (605) 504-1100. Providers update this record themselves, so call before visiting.

How can I verify Mary Lou Nora Fiedler, CNP's license?

NPPES lists South Dakota license number CP000537, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Lou Nora Fiedler, CNP prescribe under Medicare Part D?

In 2024, Mary Lou Nora Fiedler, CNP had 169 Medicare Part D claims for 63 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.