Doctor profile · Federal record

Dr. Kristen Irwin, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Obstetrics & Gynecology Physician · Indianapolis, IN

  • NPI 1225340987
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 W 86Th St
Indianapolis, IN 462601902
(317) 338-2172

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
June 22, 2011
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Indiana #11015993A · Michigan #4301096586

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225340987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
731
Distinct HCPCS
10
Medicare allowed
$71,229
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 205 98 $120
99215 Established patient office or other outpatient visit, 40-54 minutes 133 110 $167
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 108 108 $122
83037 Hemoglobin a1c level, by device for home use 61 39 $10
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 45 25 $57
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 42 22 $42
99443 Telephone medical discussion with physician, 21-30 minutes 38 30 $65
G0008 Administration of influenza virus vaccine 29 29 $26
87804 Detection test by immunoassay with direct visual observation for influenza virus 28 12 $16
90662 Influenza vaccine split virus, preservative free 28 28 $71

In context: peer comparison

Among 195 peers in Indianapolis Internal Medicine Physician, average services per provider: 101. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$341
Transactions
19
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 4 $71.50
Lilly USA, LLC 4 $62.42
Exact Sciences Corporation 2 $43.41
Neurocrine Biosciences, INC. 2 $38.66
Pfizer INC. 2 $37.40
Amgen INC. 2 $34.25
Medtronic, INC. 1 $18.80
GlaxoSmithKline, LLC. 1 $17.90
Novo Nordisk INC 1 $16.95

By nature of payment

Food and Beverage
$341

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,961
Patients
534
Total drug cost
$27,343
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 366 110 $4,594
Amlodipine Besylate Generic 213 61 $1,778
Levothyroxine Sodium Generic 180 42 $2,590
Losartan Potassium Generic 148 41 $2,275
Omeprazole Generic 121 33 $1,782
Hydrochlorothiazide Generic 104 27 $543
Potassium Chloride Generic 102 22 $4,603
Lisinopril Generic 101 29 $788
Pantoprazole Sodium Generic 99 28 $2,157
Gabapentin Generic 95 26 $2,312

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristen Irwin's medical specialty?
Dr. Kristen Irwin practices Internal Medicine Physician in Indianapolis, IN.
Where does Dr. Kristen Irwin practice?
Dr. Kristen Irwin practices at 2001 W 86Th St, Indianapolis, IN 462601902. Office phone: 3173382172.
What is Dr. Kristen Irwin's NPI?
Dr. Kristen Irwin's National Provider Identifier (NPI) is 1225340987, issued by NPPES.
Does Dr. Kristen Irwin accept Medicare assignment?
Yes. Dr. Kristen Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen Irwin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.