William C. Dir, MD
Critical Care Medicine (Internal Medicine) Physician · Rapid City, SD
William C. Dir, MD is a critical care medicine (internal medicine) physician with a practice address in Rapid City, South Dakota, and NPI 1376517268, issued on Feb 15, 2006. Check the license (South Dakota 9106, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- William C. Dir
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 9106 SD
MD00042788 WA
M9046 ID
Self-reported in NPPES; status is on the state search - Practice location
- 353 Fairmont Blvd, Rapid City, SD 57701
- Phone
- (605) 755-1000
- Enumerated
- Feb 15, 2006
- Record last updated
- Sep 29, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (208) 750-7516
- Medicaid IDs
- 806983600 ID
L13360 WA - Medicare enrollment
- Enrolled (PECOS I20070409000189); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 10 in South Dakota → Look up another NPI →
Also registered at 353 Fairmont Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Riley AckermanPhysician Assistant1073241790
- Shakeel Ahmed, MDInternal Medicine Physician1356773113
- Osama Ahsan, DOHospitalist Physician1043903891
- Bayan Al Share, MDHematology & Oncology Physician1235582065
- Ghassan Al-Shbool, MDHematology & Oncology Physician1215450937
- Marc Aldrich, MDInternal Medicine Physician1932209442
Verify William C. Dir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 9106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Multicare Health SystemGig Harbor, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William C. Dir among 10 critical care medicine (internal medicine) physician records in South Dakota
William C. Dir, MD is one of 10 critical care medicine (internal medicine) physician records with a practice address in South Dakota. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 40% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Record last updated2017 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in South Dakota
There are 10 critical care medicine (internal medicine) physician records in South Dakota.
All 10 in South Dakota → Every provider in Rapid City → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Srinivas Gangineni, MDRapid City, SD 577011881865392
- Ashok Kumar, MDRapid City, SD 577011760570246
- Christopher MillerRapid City, SD 577011982010609
- Richard Evans, MDWatertown, SD 572011881707602
- Elias Alhanoun, MDSioux Falls, SD 571051770689473
- Michelle Biehl, M.D.Sioux Falls, SD 571051184871618
- Richard Gandee, DOSioux Falls, SD 571051316331861
- Anthony Hericks, D.O.Sioux Falls, SD 571051689606303
Common questions
What is William C. Dir, MD's NPI number?
William C. Dir, MD's National Provider Identifier (NPI) is 1376517268, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William C. Dir, MD located?
The NPPES record lists a practice address at 353 Fairmont Blvd, Rapid City, SD, 57701. Phone: (605) 755-1000. Providers update this record themselves, so call before visiting.
How can I verify William C. Dir, MD's license?
NPPES lists South Dakota license number 9106, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.