Dr. Kristen L. Irwin, MD

  • Mc Cordsville, IN
  • Internist
NPI1225340987PAC ID5991938698
Medicare services, 2024
886
Medicare patients, 2024
149
Part D claims, 2024
5,105
Hospital affiliations
3
Industry payments
$2,943
Practice address
8535 N Clearview Dr, Mc Cordsville, IN 46055
Practice phone
Call (317) 468-6260
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hancock Physician Network

Mc Cordsville, Indiana

See all 7 affiliations

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Dr. Kristen L. Irwin is an internist in Mc Cordsville, Indiana

Dr. Irwin practices at Hancock Physician Network in Mc Cordsville, Indiana.

Dr. Irwin's NPI, 1225340987, was assigned on July 10, 2010. Dr. Irwin graduated from Indiana University School of Medicine in 2010. Dr. Irwin holds Indiana license 11015993A.

NPI and contact details
Medicare PAC ID
5991938698
NPI enumeration date
July 10, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(317) 468-6260
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Kristen L. Irwin practices at Hancock Physician Network in Mc Cordsville, Indiana

Dr. Irwin's primary practice is Hancock Physician Network, at 8535 N Clearview Dr, Mc Cordsville, IN 46055 in Hancock County. The practice phone is (317) 468-6260.

  • Hancock Physician Network
    8535 N Clearview Dr, Mc Cordsville, IN 46055 · Hancock CountyPhone(317) 468-6260

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Kristen L. Irwin is affiliated with 6 sites of care and 1 medical group

Dr. Irwin's primary practice is Hancock Physician Network in Mc Cordsville, Indiana. Dr. Irwin is also affiliated with Ascension St. Vincent Hospital - Indianapolis. The medical group on file is Hancock Counseling and Psychiatric Services. Dmand AI also links Dr. Irwin to 2 more hospitals and 2 home health agencies, each named with a free account.

See all 7 affiliations for Dr. Irwin

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Kristen L. Irwin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Irwin practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hancock Physician NetworkAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kristen L. Irwin is one of 1,987 internists in Indiana

Internal medicine is Dr. Irwin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Irwin's licenses on file in 2 states: Indiana and Michigan.

Specialties and state licenses

  • Internal medicine, IndianaPrimaryLicense 11015993A · taxonomy 207R00000X
  • Obstetrics and gynecology, MichiganLicense 4301096586 · taxonomy 207V00000X

Internists near Dr. Irwin

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

1,987internists in Indiana
4internists in Mc Cordsville

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Kristen L. Irwin billed Medicare for 886 services in 2024

CMS data shows 886 Medicare services from Dr. Irwin across 13 procedure codes in 2024, for 149 Medicare patients. Medicare paid $55,625 for them. Every service was in an office.

Medicare services, 2024886
Medicare patients149
Paid by Medicare$55,625
Procedure codes13

Dr. Irwin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4632024: 41710%
Other services
2023: 1372024: 296116%
Lab and pathology
2023: 1032024: 13329%
Tests and treatments
2023: 282024: 2125%
Surgery
2023: 02024: 19

Dr. Irwin compared with the Indiana median for internists, 2024

  • Dr. Irwin
  • Indiana median
Medicare services
886vs 52070% above
Medicare patients
149vs 21230% below
Part D claims
4,381vs 15927.6 times

Medians across 1,948 internists in Indiana with Dmand AI profiles that report each measure.

Dr. Irwin's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Irwin

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Kristen L. Irwin treated 149 Medicare patients in 2024, average age 74

CMS counts 149 Medicare patients who saw Dr. Irwin in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Irwin's median patient age at 65, with 65% women.

Medicare patients, 2024149
Average age74
Average risk score1.15

Dr. Irwin's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Irwin's Medicare patients by sex, 2024

  • Women9161%
  • Men5839%

Chronic conditions among Dr. Irwin's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis42%
  4. Diabetes33%
  5. Mood disorders25%
  6. Depression24%
  7. Ischemic heart disease24%
  8. Anxiety21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Irwin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women65%
  • Men34%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Kristen L. Irwin wrote 5,105 Medicare Part D claims in 2024

In 2024, Dr. Irwin wrote 5,105 Medicare Part D claims for 284 patients. 88% of them were for generic drugs. CMS names the drug for 4,381 of them, across 103 drugs with 11 or more claims each, at $306,900 in total drug cost. In 2023, CMS named 4,546 claims across 106 drugs.

Part D claims, 20245,105
Drugs named by CMS103
Total drug cost$306,900
Part D patients284

Dr. Irwin's Part D claims by kind of drug, 2024

  • Generic4,500 claims88%
  • Brand-name585 claims11%
  • Other20 claims0%

Dr. Irwin's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Irwin's Part D claims, 2024

  • Opioids3%150 of 5,105 claims
  • Antibiotics3%131 of 5,105 claims
  • Antipsychotics, patients 65 and over0%11 of 5,105 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4,5462024: 4,3814%

Drugs named by CMS: 103 in 2024, 106 in 2023.

See all prescribing by Dr. Irwin

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Kristen L. Irwin offers telehealth to Medicare patients

Dr. Irwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Irwin as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Kristen L. Irwin received $2,943 in industry payments from 2016 to 2025

CMS Open Payments shows 190 general payments to Dr. Irwin from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 91% of the total. Novo Nordisk Inc paid the most, $419.

General payments to Dr. Irwin by program year, 2016 to 2025

General payments to Dr. Irwin by kind, 2016 to 2025

$2.9Kin total
  • Food and beverage$2,68491%
  • Speaker and faculty fees$2408%
  • Education$181%

Companies that paid Dr. Irwin the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Irwin

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Kristen L. Irwin graduated from Indiana University School of Medicine

Dr. Irwin graduated from Indiana University School of Medicine in 2010.

  1. Medical schoolIndiana University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Kristen L. Irwin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Kristen L. Irwin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Kristen L. Irwin's NPI number?

Dr. Kristen L. Irwin's NPI number is 1225340987. It was assigned on July 10, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Kristen L. Irwin?

Dr. Kristen L. Irwin is an internist in Mc Cordsville, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Kristen L. Irwin practice?

Dr. Irwin practices at 8535 N Clearview Dr, Mc Cordsville, IN 46055. Dr. Irwin's primary practice is Hancock Physician Network in Mc Cordsville, Indiana. Dmand AI also links Dr. Irwin to 2 hospitals and 2 home health agencies.

What is Dr. Kristen L. Irwin's office phone number?

The practice phone on file for Dr. Irwin is (317) 468-6260.

What is Dr. Kristen L. Irwin's medical license number?

Dr. Irwin holds Indiana license 11015993A, one of the licenses on file in 2 states.

Which states has Dr. Kristen L. Irwin been licensed in?

Dmand AI has state licenses on file for Dr. Irwin in Indiana and Michigan.

Which hospitals is Dr. Kristen L. Irwin affiliated with?

Dr. Irwin is affiliated with Ascension St. Vincent Hospital - Indianapolis. Dmand AI links Dr. Irwin to 2 more hospitals.

What medical group is Dr. Kristen L. Irwin part of?

Dr. Irwin is linked to Hancock Counseling and Psychiatric Services.

Does Dr. Kristen L. Irwin accept Medicare?

Yes. CMS data shows Dr. Irwin billed Medicare for 886 services in 2024, and Dr. Irwin accepts Medicare assignment.

Does Dr. Kristen L. Irwin offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Irwin as offering telehealth services.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Kristen L. Irwin see?

CMS counts 149 Medicare patients who saw Dr. Irwin in 2024, with an average age of 74.

What services does Dr. Kristen L. Irwin bill to Medicare?

In 2024, Dr. Irwin's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).

Where did Dr. Kristen L. Irwin go to medical school?

Dr. Irwin graduated from Indiana University School of Medicine in 2010.

What drugs does Dr. Kristen L. Irwin prescribe most?

In 2024 Medicare Part D data, Dr. Irwin's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.

Has Dr. Kristen L. Irwin received payments from drug or device companies?

CMS Open Payments shows $2,943 in general payments to Dr. Irwin from 33 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.

How long has Dr. Kristen L. Irwin been practicing?

Dr. Irwin graduated from medical school in 2010, 16 years ago.

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