Gretchen Marie Irwin, MD
Family Medicine Physician · Wichita, KS
Gretchen Marie Irwin, MD is a family medicine physician with a practice address in Wichita, Kansas, and NPI 1992732903, issued on Jun 26, 2006. Check the license (Kansas 0434315, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gretchen Marie Irwin
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 0434315 KS
MD436902 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 N Kansas St, Wichita, KS 67214
- Phone
- (316) 293-2607
- Enumerated
- Jun 26, 2006
- Record last updated
- Jan 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20100712000726); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,970 in Kansas → Look up another NPI →
Also registered at 1010 N Kansas St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gretchen Marie Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 0434315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
15 Medicare Part D claims, 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.
Bills Medicare through 2 group practices
- University OF Kansas School OF Medicine Wichita Medical Practice AssocWichita, KS
- Wesley Physicians Medical Specialties LLCWichita, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gretchen Marie Irwin among 1,970 family medicine physician records in Kansas
Gretchen Marie Irwin, MD is one of 1,970 family medicine physician records with a practice address in Kansas. 77% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 51% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2006 among the 1,164 with a school on file
- Record last updated2022 · 51% 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 Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
463 family medicine physician records list a practice address in Wichita
They are 463 of the 10,360 NPPES records with a practice address in Wichita, and 1,970 family medicine physician records in Kansas.
All 1,970 in Kansas → Every provider in Wichita → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sylvester Domme, MDWichita, KS 672141972508018
- John Dorsch, M.D.Wichita, KS 672141346215530
- Hugh Ekengren, MDWichita, KS 672141437111994
- Lynn Fisher, M.D.Wichita, KS 672141083615447
- Rex Keith, MDWichita, KS 672141538164603
- Rickey Kellerman, M.D.Wichita, KS 672141093780579
- Denis Knight, DOWichita, KS 672141235190919
- James Logan, MDWichita, KS 672141952363962
Common questions
What is Gretchen Marie Irwin, MD's NPI number?
Gretchen Marie Irwin, MD's National Provider Identifier (NPI) is 1992732903, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Marie Irwin, MD located?
The NPPES record lists a practice address at 1010 N Kansas St, Wichita, KS, 67214. Phone: (316) 293-2607. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Marie Irwin, MD's license?
NPPES lists Kansas license number 0434315, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gretchen Marie Irwin, MD prescribe under Medicare Part D?
In 2024, Gretchen Marie Irwin, MD had 15 Medicare Part D claims; 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.