NPPES file of Aug 9, 2026

Aaron Fearday, M.D.

Nephrology Physician · Meridian, ID

Aaron Fearday, M.D. is a nephrology physician with a practice address in Meridian, Idaho, and NPI 1952543118, issued on Apr 1, 2009. Check the license (Idaho M12419, as entered in NPPES) on the Idaho Board of Medicine; 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
1952543118
Name
Aaron Fearday
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
M12419 ID
Self-reported in NPPES; status is on the state search
Practice location
3525 E Louise Dr Ste 195, Meridian, ID 83642
Phone
(208) 846-8335
Enumerated
Apr 1, 2009
Record last updated
May 16, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(208) 846-8336
Medicare enrollment
Enrolled (PECOS I20140617001666); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2009
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 nephrology physician records → All 34 in Idaho → Look up another NPI →

Also registered at 3525 E Louise Dr Ste 195

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

  1. Cypress Cooper, NPAcute Care Nurse Practitioner1104551324
  2. Robert Davidson, M.D.Nephrology Physician1144275694
  3. Amanda Hall, D.O.Nephrology Physician1871737973
  4. Kevin Mitchell, MBBSNephrology Physician1366837718
  5. Devhan Morgan-Gomez, FNPFamily Nurse Practitioner1104642396
  6. Arnold Silva, MD, PHDNephrology Physician1497790646

Verify Aaron Fearday in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license M12419    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
Open the Idaho 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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31% more Medicare Part D claims than the average nephrology physician in 2024

1,920 Medicare Part D claims for 403 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Aaron Fearday1,920
  2. Specialty average1,465

Most prescribed

  1. Farxiga160 claims
  2. Spironolactone130 claims
  3. Chlorthalidone129 claims
  4. Amlodipine Besylate127 claims
  5. Lisinopril82 claims
  6. Losartan Potassium81 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: $17.08

6 payments; by number, the most common kind was education; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Aaron Fearday$17.08
  2. Specialty average$3,091.37

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. St Lukes Clinic-Treasure Valley LLCBoise, ID

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

Aaron Fearday among 34 nephrology physician records in Idaho

Aaron Fearday, M.D. is one of 34 nephrology physician records with a practice address in Idaho. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 79% of them.

  • NPI issued2009 · 79% of these records are older, 15% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2009 · median 2002 among the 27 with a school on file
  • Record last updated2018 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Idaho

There are 34 nephrology physician records in Idaho.

All 34 in Idaho → Every provider in Meridian → Nephrology Physician nationwide →

The 8 nephrology physician records with the nearest ZIP codes

  1. Robert Davidson, M.D.Meridian, ID 836421144275694
  2. Mary Dittrich, MDMeridian, ID 836421437194552
  3. Amanda Hall, D.O.Meridian, ID 836421871737973
  4. Jerry Meng, MDMeridian, ID 836421295894939
  5. Kevin Mitchell, MBBSMeridian, ID 836421366837718
  6. Amit Sharma, MD, FACP, FASNMeridian, ID 836421730123779
  7. Arnold Silva, MD, PHDMeridian, ID 836421497790646
  8. Liang Wu, MDMeridian, ID 836421073776258

Common questions

What is Aaron Fearday, M.D.'s NPI number?

Aaron Fearday, M.D.'s National Provider Identifier (NPI) is 1952543118, issued on Apr 1, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Fearday, M.D. located?

The NPPES record lists a practice address at 3525 E Louise Dr Ste 195, Meridian, ID, 83642. Phone: (208) 846-8335. Providers update this record themselves, so call before visiting.

How can I verify Aaron Fearday, M.D.'s license?

NPPES lists Idaho license number M12419, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Aaron Fearday, M.D. prescribe under Medicare Part D?

In 2024, Aaron Fearday, M.D. had 1,920 Medicare Part D claims for 403 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.