Corey Graham, M.D.
NPI 1316109317 · Surgery Physician · Warsaw, IN
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Corey Graham, M.D. is a Surgery Physician provider in Warsaw, IN (NPI 1316109317).
Provider details
- NPI number
- 1316109317
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01074316A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
263 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $85 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 33 | $104 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 28 | $73 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 25 | $232 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 23 | $103 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 110 | 52 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 55 | 53 |
| Metronidazole | 34 | 30 |
| Pantoprazole Sodium | 24 | 14 |
| Ciprofloxacin Hcl | 20 | 20 |
| Potassium Chloride | 20 | 19 |
| Sucralfate | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,901 across 24 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-30
- Last updated
- 2021-12-15
- Certified
- 2021-12-15
Frequently asked questions
- What is Corey Graham's NPI number?
- Corey Graham's National Provider Identifier (NPI) is 1316109317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Corey Graham's specialty?
- Corey Graham is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Corey Graham located?
- Corey Graham's practice location on file with NPPES is 1000 Provident Dr, Warsaw, IN 46580-3255.
- What is Corey Graham's phone number?
- The practice phone number listed in the NPPES registry for Corey Graham is (574) 267-8728.
- Does Corey Graham accept Medicare?
- Corey Graham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Corey Graham's NPI active?
- Yes — Corey Graham's NPI (1316109317) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.