Doctor profile · Federal record

Dr. Gregory Midis, M.D.

Surgical Oncology Physician (CMS: Surgical Oncology) · Surgery Physician · Colon & Rectal Surgery Physician · Knoxville, TN

  • NPI 1033226162
  • Accepts Medicare
  • MIPS 80.9 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1819 W Clinch Ave Ste 200
Knoxville, TN 379162435
(865) 524-3695
fax (865) 602-3528
Mailing address
Po Box 52948
Knoxville, TN 379502948

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 10, 2013
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
2086X0206X — NUCC code
State license (1)
Tennessee #MD29355
Medicaid
TN #3811050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033226162. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
298
Distinct HCPCS
9
Medicare allowed
$62,883
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 94 69 $83
99204 New patient office or other outpatient visit, 45-59 minutes 85 85 $150
45300 Diagnostic exam of rectum and lower large bowel using an endoscope 28 25 $111
46600 Diagnostic exam of anus using an endoscope 26 15 $108
99214 Established patient office or other outpatient visit, 30-39 minutes 18 16 $118
44213 Partial release of large bowel and partial removal of large bowel using an endoscope 13 13 $155
44205 Partial removal of small and large bowel with attachment of small and large bowel using an endoscope 12 12 $1,213
44207 Partial removal of large bowel and reattachment to rectum using an endoscope 11 11 $1,503
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $103

In context: peer comparison

Among 5 peers in Knoxville Surgical Oncology Physician, average services per provider: 32. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$198
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Ethicon US, LLC 5 $156.16
Medtronic, INC. 1 $26.70
Stryker Corporation 1 $15.56

By nature of payment

Food and Beverage
$198

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
71
Total drug cost
$36,230
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 41 37 $177
Enoxaparin Sodium Generic 21 20 $1,656
Pantoprazole Sodium Generic 21 0 $192
Creon (Lipase/Protease/Amylase) Brand 14 0 $34,143
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 14 $64

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Midis's medical specialty?
Dr. Gregory Midis practices Surgical Oncology Physician in Knoxville, TN.
Where does Dr. Gregory Midis practice?
Dr. Gregory Midis practices at 1819 W Clinch Ave Ste 200, Knoxville, TN 379162435. Office phone: 8655243695.
What is Dr. Gregory Midis's NPI?
Dr. Gregory Midis's National Provider Identifier (NPI) is 1033226162, issued by NPPES.
Does Dr. Gregory Midis accept Medicare assignment?
Yes. Dr. Gregory Midis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Midis 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 99204); Diagnostic exam of rectum and lower large bowel using an endoscope (HCPCS 45300). Source: CMS Medicare Physician & Other Practitioners file.