NPPES file of Aug 9, 2026

Stephanie A. Niemi-Olson, FNP

Family Nurse Practitioner · Tucson, AZ

Stephanie A. Niemi-Olson, FNP is a family nurse practitioner with a practice address in Tucson, Arizona, and NPI 1699191072, issued on Mar 10, 2014. Check the license (Arizona RN126155, as entered in NPPES) with the Arizona 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
1699191072
Name
Stephanie A. Niemi-Olson
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN126155 AZ
Self-reported in NPPES; status is on the state search
Practice location
2450 E River RD, Tucson, AZ 85718
Phone
(520) 795-7750
Enumerated
Mar 10, 2014
Record last updated
Apr 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(520) 320-2155
Medicare enrollment
Enrolled (PECOS I20140528002008); 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 5,933 in Arizona → Look up another NPI →

Also registered at 2450 E River RD

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

  1. Gabriel Altamirano, ACNPC-AGAcute Care Nurse Practitioner1013431212
  2. Ryan Austerman, M.D.Neurological Surgery Physician1841644168
  3. Anwar Badruddoja, M.D.Neurology Physician1891779872
  4. Robert Barlow, M.D.General Practice Physician1730476920
  5. Stephanie Bourn-Macdonald, AUDAudiologist1447636063
  6. Jonathan BryantNeurology Physician1639639479

Verify Stephanie A. Niemi-Olson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license RN126155    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 Arizona 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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82% more Medicare Part D claims than the average family nurse practitioner in 2024

2,381 Medicare Part D claims for 379 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Stephanie Niemi-Olson2,381
  2. Specialty average1,305

Most prescribed

  1. Donepezil Hcl157 claims
  2. Gabapentin147 claims
  3. Levetiracetam137 claims
  4. Topiramate127 claims
  5. Amitriptyline Hcl109 claims
  6. Botox99 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: $2,219.16

49 payments; by number, the most common kind was food and beverage; the largest payer was TG Therapeutics, 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.

  1. Stephanie Niemi-Olson$2,219.16
  2. Specialty average$650.95

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

Bills Medicare through one group practice

  1. Neurological Associates OF TucsonTucson, AZ

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

Stephanie A. Niemi-Olson among 5,933 family nurse practitioner records in Arizona

Stephanie A. Niemi-Olson, FNP is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 27% of them.

  • NPI issued2014 · 27% of these records are older, 69% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2013 · median 2019 among the 3,510 with a school on file
  • Record last updated2020 · 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 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

907 family nurse practitioner records list a practice address in Tucson

They are 907 of the 18,788 NPPES records with a practice address in Tucson, and 5,933 family nurse practitioner records in Arizona.

All 5,933 in Arizona → Every provider in Tucson → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Kathryn Algeo, FNP-CTucson, AZ 857181871935445
  2. Candace Brewer, FNPTucson, AZ 857181942634142
  3. Anna Desimone, FNPTucson, AZ 857181609891464
  4. Crysty Frick, NP-CTucson, AZ 857181396010823
  5. Edwin Gilliam, FPTucson, AZ 857181952383143
  6. Lisa GriffinTucson, AZ 857181952704223
  7. Nichole Kuhns, FNP-CTucson, AZ 857181770904922
  8. Maria Linda Manalo, NPTucson, AZ 857181871942524

Common questions

What is Stephanie A. Niemi-Olson, FNP's NPI number?

Stephanie A. Niemi-Olson, FNP's National Provider Identifier (NPI) is 1699191072, issued on Mar 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie A. Niemi-Olson, FNP located?

The NPPES record lists a practice address at 2450 E River RD, Tucson, AZ, 85718. Phone: (520) 795-7750. Providers update this record themselves, so call before visiting.

How can I verify Stephanie A. Niemi-Olson, FNP's license?

NPPES lists Arizona license number RN126155, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Stephanie A. Niemi-Olson, FNP prescribe under Medicare Part D?

In 2024, Stephanie A. Niemi-Olson, FNP had 2,381 Medicare Part D claims for 379 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.