William Dennis Loome, MD
Internal Medicine Physician · Boise, ID
William Dennis Loome, MD is an internal medicine physician with a practice address in Boise, Idaho, and NPI 1851786362, issued on Apr 1, 2015. Check the license (Idaho M-14289, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- William Dennis Loome
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M-14289 ID
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Fort St, Boise, ID 83702
- Phone
- (208) 422-1314
- Enumerated
- Apr 1, 2015
- Record last updated
- Apr 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210802003689); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 453 in Idaho → Look up another NPI →
Also registered at 500 W Fort St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Acevedo, LMSWSocial Worker1104787555
- Nicole Ackley, PHYSICIAN ASSISTANTMedical Physician Assistant1265532337
- Mark Adams, PTPhysical Therapist1659014926
- Stephanie Adams, RNAdministrator Registered Nurse1477260503
- Danielle AhlstromPharmacist1659714459
- Carrie Albers, R.D.Registered Dietitian1689987422
Verify William Dennis Loome in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M-14289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,547 Medicare Part D claims for 485 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 179 claims were for opioids.
Most prescribed
- Atorvastatin Calcium537 claims
- Losartan Potassium334 claims
- Lisinopril268 claims
- Levothyroxine Sodium253 claims
- Amlodipine Besylate237 claims
- Metoprolol Succinate167 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.
Bills Medicare through one group practice
- St Lukes Clinic - Mccall LLCMcCall, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Dennis Loome among 453 internal medicine physician records in Idaho
William Dennis Loome, MD is one of 453 internal medicine physician records with a practice address in Idaho. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 62% of them.
- NPI issued2015 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2015 · median 2011 among the 254 with a school on file
- Record last updated2020 · 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 207R00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
217 internal medicine physician records list a practice address in Boise
They are 217 of the 9,467 NPPES records with a practice address in Boise, and 453 internal medicine physician records in Idaho.
All 453 in Idaho → Every provider in Boise → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joann Bischoff, MDBoise, ID 837021174540900
- Alice BlakeBoise, ID 837021508805078
- John Boice, MDBoise, ID 837021316954878
- Tina Esther Bronner, MDBoise, ID 837021760444244
- Clive Cooper, MDBoise, ID 837021962446104
- Ann Cordum, M.D.Boise, ID 837021982653879
- Lisa Inouye, MDBoise, ID 837021376514695
- Lee Kornfield, MDBoise, ID 837021275527186
Common questions
What is William Dennis Loome, MD's NPI number?
William Dennis Loome, MD's National Provider Identifier (NPI) is 1851786362, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is William Dennis Loome, MD located?
The NPPES record lists a practice address at 500 W Fort St, Boise, ID, 83702. Phone: (208) 422-1314. Providers update this record themselves, so call before visiting.
How can I verify William Dennis Loome, MD's license?
NPPES lists Idaho license number M-14289, 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 William Dennis Loome, MD prescribe under Medicare Part D?
In 2024, William Dennis Loome, MD had 6,547 Medicare Part D claims for 485 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.