Richard P. Day, MD
Family Medicine Physician · Sioux Falls, SD
Richard P. Day, MD is a family medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1417952243, issued on Jun 17, 2005. Check the license (South Dakota 1255, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Richard P. Day
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1255 SD
Self-reported in NPPES; status is on the state search - Practice location
- 7220 W 41St St, Sioux Falls, SD 57106
- Phone
- (605) 328-9600
- Enumerated
- Jun 17, 2005
- Record last updated
- Nov 8, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (605) 328-9620
- Medicaid ID
- 5603278 SD
- Entity
- Type 1 · individual
Also registered at 7220 W 41St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Josiah AbrahamBehavior Analyst1306716543
- Ashley Aesoph, OTRPediatric Occupational Therapist1467371518
- Madison AshlockBehavior Technician1780392753
- Keelan BlasiusOccupational Therapist1922730092
- Christopher Boschee, DOFamily Medicine Physician1295992154
- Maria Deboer, RBTBehavior Technician1629677471
Verify Richard P. Day 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 1255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
409 Medicare Part D claims for 15 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium41 claims
- Fluoxetine Hcl26 claims
- Omeprazole21 claims
- Furosemide18 claims
- Donepezil Hcl14 claims
- Amlodipine Besylate13 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.
195 family medicine physician records list a practice address in Sioux Falls
They are 195 of the 6,563 NPPES records with a practice address in Sioux Falls, and 601 family medicine physician records in South Dakota.
All 195 in Sioux Falls → All 601 in South Dakota → Every provider in Sioux Falls →
Other family medicine physician records in South Dakota
- Adeem Abdulwahab, M.DSioux Falls, SD1720432073
- Gordon Abernathie, D.O.Rapid City, SD1053316174
- Kyle Adams, D.O.Rapid City, SD1881009496
- Mary Ahlers, DOBrookings, SD1609301365
- Alese Allerdings, M.D.De Smet, SD1285926261
- Jay Allison, MDSioux Falls, SD1235195041
- E. Amundson, MDSioux Falls, SD1144220914
- Sylvia Anderson, MDFaulkton, SD1790891844
- Wayne Anderson, MDSpearfish, SD1902834914
- Roberto Anel, MDSioux Falls, SD1841411444
Common questions
What is Richard P. Day, MD's NPI number?
Richard P. Day, MD's National Provider Identifier (NPI) is 1417952243, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard P. Day, MD located?
The NPPES record lists a practice address at 7220 W 41St St, Sioux Falls, SD, 57106. Phone: (605) 328-9600. Providers update this record themselves, so call before visiting.
How can I verify Richard P. Day, MD's license?
NPPES lists South Dakota license number 1255, 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.
How much does Richard P. Day, MD prescribe under Medicare Part D?
In 2024, Richard P. Day, MD had 409 Medicare Part D claims for 15 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.