NPPES file of Aug 9, 2026

William Guy Weppner, M.D.

Internal Medicine Physician · Boise, ID

William Guy Weppner, M.D. is an internal medicine physician with a practice address in Boise, Idaho, and NPI 1174651830, issued on Mar 2, 2007. Check the license (Idaho M-10887, 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
1174651830
Name
William Guy Weppner
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
M-10887 ID
M8854 ID
11190 MT
MD00044043 WA
Self-reported in NPPES; status is on the state search
Practice location
500 W Fort St, Boise, ID 83702
Phone
(208) 422-1325
Enumerated
Mar 2, 2007
Record last updated
May 5, 2022
Fax
(208) 422-1319
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

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.

  1. Rebecca Acevedo, LMSWSocial Worker1104787555
  2. Nicole Ackley, PHYSICIAN ASSISTANTMedical Physician Assistant1265532337
  3. Mark Adams, PTPhysical Therapist1659014926
  4. Stephanie Adams, RNAdministrator Registered Nurse1477260503
  5. Danielle AhlstromPharmacist1659714459
  6. Carrie Albers, R.D.Registered Dietitian1689987422

Verify William Guy Weppner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license M-10887    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

99% fewer Medicare Part D claims than the average internal medicine physician in 2024

24 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. William Weppner24
  2. Specialty average3,176

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.

William Guy Weppner among 453 internal medicine physician records in Idaho

William Guy Weppner, M.D. 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 2007, is newer than 37% of them.

  • NPI issued2007 · 37% of these records are older, 55% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2022 · 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

  1. Joann Bischoff, MDBoise, ID 837021174540900
  2. Alice BlakeBoise, ID 837021508805078
  3. John Boice, MDBoise, ID 837021316954878
  4. Tina Esther Bronner, MDBoise, ID 837021760444244
  5. Clive Cooper, MDBoise, ID 837021962446104
  6. Ann Cordum, M.D.Boise, ID 837021982653879
  7. Lisa Inouye, MDBoise, ID 837021376514695
  8. Lee Kornfield, MDBoise, ID 837021275527186

Common questions

What is William Guy Weppner, M.D.'s NPI number?

William Guy Weppner, M.D.'s National Provider Identifier (NPI) is 1174651830, issued on Mar 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Guy Weppner, M.D. located?

The NPPES record lists a practice address at 500 W Fort St, Boise, ID, 83702. Phone: (208) 422-1325. Providers update this record themselves, so call before visiting.

How can I verify William Guy Weppner, M.D.'s license?

NPPES lists Idaho license number M-10887, 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 Guy Weppner, M.D. prescribe under Medicare Part D?

In 2024, William Guy Weppner, M.D. had 24 Medicare Part D claims; 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.

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.