Doctor profile · Federal record

Dr. Gareth Gilkey, MD

Internal Medicine Physician (CMS: Internal Medicine) · Indianapolis, IN

  • NPI 1326090325
  • Accepts Medicare
  • MIPS 82.8 / 100 · 2023
  • 62 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1002 Wishard Blvd, 4Th Fl
Indianapolis, IN 462022872
(317) 692-2323
fax (317) 656-3967
Mailing address
8910 Purdue RD, Ste.500
Indianapolis, IN 462686100

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 22, 2011
Year of graduation
1964 — 62 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Indiana #01022461A
Medicaid
IN #100260930

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326090325. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33
Distinct HCPCS
1
Medicare allowed
$314
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 33 23 $10

In context: peer comparison

Among 195 peers in Indianapolis Internal Medicine Physician, average services per provider: 101. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,067
Patients
801
Total drug cost
$169,262
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 441 137 $5,338
Amlodipine Besylate Generic 425 121 $2,748
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 321 39 $7,153
Lisinopril Generic 272 73 $2,071
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 224 45 $8,127
Gabapentin Generic 194 59 $6,057
Losartan Potassium Generic 165 52 $2,141
Pantoprazole Sodium Generic 154 38 $2,013
Metformin Hcl Generic 138 48 $1,530
Metoprolol Succinate Generic 138 38 $2,453

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gareth Gilkey's medical specialty?
Dr. Gareth Gilkey practices Internal Medicine Physician in Indianapolis, IN.
Where does Dr. Gareth Gilkey practice?
Dr. Gareth Gilkey practices at 1002 Wishard Blvd, Indianapolis, IN 462022872. Office phone: 3176922323.
What is Dr. Gareth Gilkey's NPI?
Dr. Gareth Gilkey's National Provider Identifier (NPI) is 1326090325, issued by NPPES.
Does Dr. Gareth Gilkey accept Medicare assignment?
Yes. Dr. Gareth Gilkey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gareth Gilkey commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.