Casten R. Fischer, DO
Family Medicine Physician · Burley, ID
Casten R. Fischer, DO is a family medicine physician with a practice address in Burley, Idaho, and NPI 1528670585, issued on Aug 20, 2020. Check the license (Idaho 0-1897, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Casten R. Fischer
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0-1897 ID
Self-reported in NPPES; status is on the state search - Practice location
- 521 E Main St, Burley, ID 83318
- Phone
- (208) 677-6091
- Enumerated
- Aug 20, 2020
- Record last updated
- Jun 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20231201002718); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,316 in Idaho → Look up another NPI →
Also registered at 521 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wayne Blauer, MDFamily Medicine Physician1851334817
- Marcus Christiansen, DOFamily Medicine Physician1831501717
- Dallon Ray, DOFamily Medicine Physician1316696966
Verify Casten R. Fischer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license 0-1897Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average family medicine physician in 2024
5,001 Medicare Part D claims for 304 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 65 claims were for opioids.
Most prescribed
- Atorvastatin Calcium249 claims
- Levothyroxine Sodium229 claims
- Amlodipine Besylate190 claims
- Potassium Chloride158 claims
- Gabapentin141 claims
- Losartan Potassium141 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: $13.34
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Ihc Health Services IncBurley, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Casten R. Fischer among 1,316 family medicine physician records in Idaho
Casten R. Fischer, DO is one of 1,316 family medicine physician records with a practice address in Idaho. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2009 among the 793 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 family medicine physician records list a practice address in Burley
They are 20 of the 270 NPPES records with a practice address in Burley, and 1,316 family medicine physician records in Idaho.
All 1,316 in Idaho → Every provider in Burley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Anthony Anderson, MDBurley, ID 833181508021726
- Wayne Blauer, MDBurley, ID 833181851334817
- Bernard Boehmer, MDBurley, ID 833181902891484
- Steven Boehmer, DOBurley, ID 833181336563063
- Ronald Campbell, D.O.Burley, ID 833181124041116
- Matthew Detemple, D.O.Burley, ID 833181467419150
- Walter Graham, M.D.Burley, ID 833181821031758
- Jeremy Haymore, M.D.Burley, ID 833181265547582
Common questions
What is Casten R. Fischer, DO's NPI number?
Casten R. Fischer, DO's National Provider Identifier (NPI) is 1528670585, issued on Aug 20, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Casten R. Fischer, DO located?
The NPPES record lists a practice address at 521 E Main St, Burley, ID, 83318. Phone: (208) 677-6091. Providers update this record themselves, so call before visiting.
How can I verify Casten R. Fischer, DO's license?
NPPES lists Idaho license number 0-1897, 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 Casten R. Fischer, DO prescribe under Medicare Part D?
In 2024, Casten R. Fischer, DO had 5,001 Medicare Part D claims for 304 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.