Peter W. Castellanos, MD
Neurology with Special Qualifications in Child Neurology Physician · Idaho Falls, ID
Peter W. Castellanos, MD is a neurology with special qualifications in child neurology physician with a practice address in Idaho Falls, Idaho, and NPI 1811991474, issued on Jun 10, 2005. Check the license (Idaho M10191, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Peter W. Castellanos
- Credential
- MD
- Primary taxonomy
- Neurology with Special Qualifications in Child Neurology Physician 2084N0402X
- License numbers
- M10191 ID
01048179 IN
Self-reported in NPPES; status is on the state search - Practice location
- 2225 Teton Plz Ste B, Idaho Falls, ID 83404
- Phone
- (208) 529-4300
- Enumerated
- Jun 10, 2005
- Record last updated
- Jul 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (208) 881-5121
- Medicaid ID
- 200173520 IN
- Medicare enrollment
- Enrolled (PECOS I20120914000545); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1989
- Entity
- Type 1 · individual
2 nearest neurology with special qualifications in child neurology physician records → All 3 in Idaho → Look up another NPI →
Verify Peter W. Castellanos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M10191Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average neurology with special qualifications in child neurology physician in 2024
228 Medicare Part D claims, against an average of 278 among the 900 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Levetiracetam Er48 claims
- Oxtellar Xr33 claims
- Xcopri14 claims
- Clonidine Hcl13 claims
- Minocycline Hcl13 claims
- Lacosamide12 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: $589.58
31 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 1,195 providers of this specialty with any payment received $5,568.05 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.
Neurology with Special Qualifications in Child Neurology Physician providers in Idaho
There are 3 neurology with special qualifications in child neurology physician records in Idaho.
All 3 in Idaho → Every provider in Idaho Falls → Neurology with Special Qualifications in Child Neurology Physician nationwide →
The 2 neurology with special qualifications in child neurology physician records with the nearest ZIP codes
- David Bettis, MDBoise, ID 837121053425603
- Lindsey Foy, MDBoise, ID 837121083817795
Common questions
What is Peter W. Castellanos, MD's NPI number?
Peter W. Castellanos, MD's National Provider Identifier (NPI) is 1811991474, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Peter W. Castellanos, MD located?
The NPPES record lists a practice address at 2225 Teton Plz Ste B, Idaho Falls, ID, 83404. Phone: (208) 529-4300. Providers update this record themselves, so call before visiting.
How can I verify Peter W. Castellanos, MD's license?
NPPES lists Idaho license number M10191, 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 Peter W. Castellanos, MD prescribe under Medicare Part D?
In 2024, Peter W. Castellanos, MD had 228 Medicare Part D claims; the average among neurology with special qualifications in child neurology physician prescribers was 278. 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.