Daniel Irwin
Family Medicine Physician · Sioux City, IA
Daniel Irwin is a family medicine physician with a practice address in Sioux City, Iowa, and NPI 1033524681, issued on Jun 23, 2014. Check the license (Iowa R-10119, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Daniel Irwin
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R-10119 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2501 Pierce St, Sioux City, IA 51104
- Phone
- (712) 294-5000
- Enumerated
- Jun 23, 2014
- Record last updated
- Jun 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (712) 294-5091
- Medicare enrollment
- Enrolled (PECOS I20151028002181); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2014
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 2501 Pierce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amjad Abdelhady, MDFamily Medicine Physician1033966700
- James Anderson, LISWSocial Worker1568447506
- Fnu AnumFamily Medicine Physician1144019944
- Matthew Arnold, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1467707505
- Ravinder AujlaFamily Medicine Physician1073303681
- Jade BairdFamily Medicine Physician1790615227
Verify Daniel Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-10119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
62 Medicare Part D claims for 50 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
One hospital affiliation
- Spencer Municipal HospitalSpencer, IA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Daniel Irwin among 2,336 family medicine physician records in Iowa
Daniel Irwin is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2006 among the 1,367 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
88 family medicine physician records list a practice address in Sioux City
They are 88 of the 1,486 NPPES records with a practice address in Sioux City, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Sioux City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rick Colwell, D.O.Sioux City, IA 511041396710497
- Gary Hattan, MDSioux City, IA 511041619961729
- Michael Jung, MDSioux City, IA 511041023093580
- Frank Marino, DOSioux City, IA 511041699740159
- Gerald McGowan, M.D.Sioux City, IA 511041265418644
- Terry Mitchell, MDSioux City, IA 511041720053796
- Paul Peterson, DOSioux City, IA 511041326013426
- Amy Rief-Elks, D.O.Sioux City, IA 511041194790659
Common questions
What is Daniel Irwin's NPI number?
Daniel Irwin's National Provider Identifier (NPI) is 1033524681, issued on Jun 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Irwin located?
The NPPES record lists a practice address at 2501 Pierce St, Sioux City, IA, 51104. Phone: (712) 294-5000. Providers update this record themselves, so call before visiting.
How can I verify Daniel Irwin's license?
NPPES lists Iowa license number R-10119, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Daniel Irwin prescribe under Medicare Part D?
In 2024, Daniel Irwin had 62 Medicare Part D claims for 50 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.