Dr. Aaron A. Fearday, MD
- Medicare services, 2024
- 586
- Medicare patients, 2024
- 323
- Part D claims, 2024
- 1,920
- Hospital affiliations
- 5
- Industry payments
- $219
- Practice address
- 190 East Bannock Street, Boise, ID 83712
- Practice phone
- Call (208) 381-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fearday's professional email, personal email and mobile number
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Dr. Aaron A. Fearday is a nephrologist in Boise, Idaho
Dr. Fearday practices at St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System.
Dr. Fearday's NPI, 1952543118, was assigned on April 1, 2009. Dr. Fearday graduated from University of Wisconsin School of Medicine in 2009. Dr. Fearday holds Idaho license M12419.
- NPI
- 1952543118NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668604729
- NPI enumeration date
- April 1, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (208) 381-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron A. Fearday practices at St. Luke's Boise Medical Center in Boise, Idaho
Dr. Fearday's primary practice is St. Luke's Boise Medical Center, at 190 East Bannock Street, Boise, ID 83712 in Ada County. The practice phone is (208) 381-2222.
- St. Luke's Boise Medical Center190 East Bannock Street, Boise, ID 83712 · Ada CountyPhone(208) 381-2222
Source: Dmand AI Affiliation Data
Dr. Aaron A. Fearday is affiliated with 9 sites of care and 2 medical groups
Dr. Fearday's primary practice is St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System. Dr. Fearday is also affiliated with Saint Alphonsus Regional Medical Center. The medical group on file is St. Luke's Health System. Dmand AI also links Dr. Fearday to 3 more hospitals, 2 group practices and clinics, 1 breast imaging center, 1 dialysis center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron A. Fearday's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fearday practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Luke's Boise Medical Center | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across St. Luke's Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aaron A. Fearday is one of 32 nephrologists in Idaho
Nephrology is Dr. Fearday's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Fearday is licensed in Idaho.
Specialties and state licenses
- Nephrology, IdahoPrimary
Nephrologists near Dr. Fearday
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Aaron A. Fearday billed Medicare for 586 services in 2024
CMS data shows 586 Medicare services from Dr. Fearday across 9 procedure codes in 2024, for 323 Medicare patients. Medicare paid $52,862 for them.
Dr. Fearday's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4792024: 42811%
- Tests and treatments
- 2023: 2082024: 14630%
- Other services
- 2023: 02024: 12
Where Dr. Fearday's Medicare services took place, 2024
- In an office22739%
- In a facility35961%
Dr. Fearday compared with the Idaho median for nephrologists, 2024
- Dr. Fearday
- Idaho median
- Medicare services
- 586vs 72219% below
- Medicare patients
- 323vs 323Close to median
- Part D claims
- 1,642vs 4693.5 times
Medians across 32 nephrologists in Idaho with Dmand AI profiles that report each measure.
Dr. Fearday's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Fearday?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fearday and other nephrologists in Idaho.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron A. Fearday treated 323 Medicare patients in 2024, average age 74
CMS counts 323 Medicare patients who saw Dr. Fearday in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 2.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Fearday's median patient age at 73, with 50% women.
Dr. Fearday's Medicare patients by age, 2024
Dr. Fearday's Medicare patients by sex, 2024
- Women15648%
- Men16752%
Chronic conditions among Dr. Fearday's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol74%
- Diabetes49%
- Arthritis45%
- Heart failure34%
- Atrial fibrillation30%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fearday's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron A. Fearday wrote 1,920 Medicare Part D claims in 2024
In 2024, Dr. Fearday wrote 1,920 Medicare Part D claims for 403 patients. 81% of them were for generic drugs. CMS names the drug for 1,642 of them, across 37 drugs with 11 or more claims each, at $441,541 in total drug cost. In 2023, CMS named 2,259 claims across 44 drugs.
Dr. Fearday's Part D claims by kind of drug, 2024
- Generic1,562 claims81%
- Brand-name358 claims19%
Dr. Fearday's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Fearday's Part D claims, 2024
- Antibiotics1%15 of 1,920 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,2592024: 1,64227%
Drugs named by CMS: 37 in 2024, 44 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Aaron A. Fearday takes part in Medicare
Dr. Fearday accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Aaron A. Fearday received $219 in industry payments from 2017 to 2024
CMS Open Payments shows 11 general payments to Dr. Fearday from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 89% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $156.
General payments to Dr. Fearday by program year, 2017 to 2024
General payments to Dr. Fearday by kind, 2017 to 2024
- Food and beverage$19589%
- Education$2411%
Companies that paid Dr. Fearday the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aaron A. Fearday graduated from University of Wisconsin School of Medicine
Dr. Fearday graduated from University of Wisconsin School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron A. Fearday's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Aaron A. Fearday
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Aaron A. Fearday's NPI number?
Dr. Aaron A. Fearday's NPI number is 1952543118. It was assigned on April 1, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron A. Fearday?
Dr. Aaron A. Fearday is a nephrologist in Boise, Idaho. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Aaron A. Fearday practice?
Dr. Fearday practices at 190 East Bannock Street, Boise, ID 83712. Dr. Fearday's primary practice is St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System. Dmand AI also links Dr. Fearday to 3 hospitals, 2 group practices and clinics, 1 breast imaging center, 1 dialysis center and 1 medical group.
What is Dr. Aaron A. Fearday's office phone number?
The practice phone on file for Dr. Fearday is (208) 381-2222.
What is Dr. Aaron A. Fearday's medical license number?
Dr. Fearday holds Idaho license M12419.
Which hospitals is Dr. Aaron A. Fearday affiliated with?
Dr. Fearday practices at St. Luke's Boise Medical Center in Boise, Idaho. Dr. Fearday is also affiliated with Saint Alphonsus Regional Medical Center. Dmand AI links Dr. Fearday to 3 more hospitals.
What medical group is Dr. Aaron A. Fearday part of?
Dr. Fearday is linked to St. Luke's Health System. Dmand AI links Dr. Fearday to 1 more medical group.
Does Dr. Aaron A. Fearday accept Medicare?
Yes. CMS data shows Dr. Fearday billed Medicare for 586 services in 2024, and Dr. Fearday accepts Medicare assignment.
How many Medicare patients does Dr. Aaron A. Fearday see?
CMS counts 323 Medicare patients who saw Dr. Fearday in 2024, with an average age of 74.
What services does Dr. Aaron A. Fearday bill to Medicare?
In 2024, Dr. Fearday's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and dialysis (90961).
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Where did Dr. Aaron A. Fearday go to medical school?
Dr. Fearday graduated from University of Wisconsin School of Medicine in 2009.
What drugs does Dr. Aaron A. Fearday prescribe most?
In 2024 Medicare Part D data, Dr. Fearday's most prescribed drugs by claims were Farxiga, Spironolactone and Chlorthalidone.
Has Dr. Aaron A. Fearday received payments from drug or device companies?
CMS Open Payments shows $219 in general payments to Dr. Fearday from 4 companies from 2017 to 2024. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Dr. Aaron A. Fearday been practicing?
Dr. Fearday graduated from medical school in 2009, 17 years ago.
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