Kristen Irwin, M.D.
Internal Medicine Physician · Indianapolis, IN
Kristen Irwin, M.D. is an internal medicine physician with a practice address in Indianapolis, Indiana, and NPI 1225340987, issued on Jul 10, 2010. Check the license (Indiana 11015993A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Kristen Irwin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 11015993A IN
4301096586 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2001 W 86TH St, Indianapolis, IN 46260
- Phone
- (317) 338-2172
- Enumerated
- Jul 10, 2010
- Record last updated
- Jun 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140715002139); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 2001 W 86TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Abdel-Mageed, MDStudent in an Organized Health Care Education/Training Program1811690530
- Saleh AbuqwiderRegistered Nurse1922938513
- Aaron Acton, RNRegistered Nurse1932083987
- Christina Adamopoulos, WHNPWomen's Health Nurse Practitioner1134931678
- Jeremy Adamowicz, PAPhysician Assistant1790131357
- Nicholas AddlemanAnesthesiology Physician1518384478
Verify Kristen Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 11015993ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average internal medicine physician in 2024
5,105 Medicare Part D claims for 284 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 150 claims were for opioids.
Most prescribed
- Atorvastatin Calcium347 claims
- Amlodipine Besylate205 claims
- Levothyroxine Sodium186 claims
- Losartan Potassium146 claims
- Alendronate Sodium117 claims
- Omeprazole107 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.
Industry payments in 2024: $341.29
19 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hancock Physician Network LLCGreenfield, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristen Irwin among 2,109 internal medicine physician records in Indiana
Kristen Irwin, M.D. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 38% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2010 · median 2005 among the 1,448 with a school on file
- Record last updated2011 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
699 internal medicine physician records list a practice address in Indianapolis
They are 699 of the 30,493 NPPES records with a practice address in Indianapolis, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Indianapolis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lisa Altuglu, MDIndianapolis, IN 462601235129065
- Thomas Armstrong, MDIndianapolis, IN 462601518940816
- Kristi Dickson, MDIndianapolis, IN 462601194717355
- Dianna Dye, MDIndianapolis, IN 462601962486209
- Usama Fahmy, MDIndianapolis, IN 462601487638722
- Mohammad Gad, M.D.Indianapolis, IN 462601801891692
- Matt Helmen, MDIndianapolis, IN 462601356325880
- Paige Huls, MDIndianapolis, IN 462601265416507
Common questions
What is Kristen Irwin, M.D.'s NPI number?
Kristen Irwin, M.D.'s National Provider Identifier (NPI) is 1225340987, issued on Jul 10, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Kristen Irwin, M.D. located?
The NPPES record lists a practice address at 2001 W 86TH St, Indianapolis, IN, 46260. Phone: (317) 338-2172. Providers update this record themselves, so call before visiting.
How can I verify Kristen Irwin, M.D.'s license?
NPPES lists Indiana license number 11015993A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kristen Irwin, M.D. prescribe under Medicare Part D?
In 2024, Kristen Irwin, M.D. had 5,105 Medicare Part D claims for 284 beneficiaries; 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.
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.