Doctor profile · Federal record

Dr. Corey Graham, M.D.

Surgery Physician (CMS: General Surgery) · Warsaw, IN

  • NPI 1316109317
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Provident Dr, Suite C
Warsaw, IN 465803255
(574) 267-8728
fax (574) 269-3470
Mailing address
7916 W Jefferson Blvd
Fort Wayne, IN 468044140

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
December 15, 2021
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Indiana #01074316A
Medicaid
IN #201246970

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316109317. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
248
Distinct HCPCS
9
Medicare allowed
$26,475
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 96 64 $85
99203 New patient office or other outpatient visit, 30-44 minutes 57 57 $105
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 18 15 $75
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 17 17 $229
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 14 14 $69
99214 Established patient office or other outpatient visit, 30-39 minutes 13 12 $121
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $124
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 11 11 $148
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 11 11 $140

In context: peer comparison

Among 3 peers in Warsaw Surgery Physician, average services per provider: 40. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,901
Transactions
24
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 15 $1,531.64
Intuitive Surgical, INC. 5 $181.62
Ethicon US, LLC 3 $136.50
Inspire Medical Systems, INC. 1 $50.89

By nature of payment

Food and Beverage
$969
Travel and Lodging
$931

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
214
Patients
155
Total drug cost
$3,930
Drug Type Claims Patients Total cost
Omeprazole Generic 81 43 $2,601
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 38 37 $214
Metronidazole Generic 27 26 $104
Ciprofloxacin Hcl Generic 18 18 $30
Pantoprazole Sodium Generic 18 0 $435
Potassium Chloride Generic 18 18 $15
Sucralfate Generic 14 13 $532

Frequently asked questions

Auto-generated from federal data
What is Dr. Corey Graham's medical specialty?
Dr. Corey Graham practices Surgery Physician in Warsaw, IN.
Where does Dr. Corey Graham practice?
Dr. Corey Graham practices at 1000 Provident Dr, Warsaw, IN 465803255. Office phone: 5742678728.
What is Dr. Corey Graham's NPI?
Dr. Corey Graham's National Provider Identifier (NPI) is 1316109317, issued by NPPES.
Does Dr. Corey Graham accept Medicare assignment?
Yes. Dr. Corey Graham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Corey Graham commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.