Doctor profile · Federal record

Dr. Jeffrey Gillis, DO

Gastroenterology Physician (CMS: Gastroenterology) · Jackson, TN

  • NPI 1508125626
  • Accepts Medicare
  • MIPS 95.8 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
27A Medical Center Dr
Jackson, TN 383013949
(731) 541-8300
Mailing address
Po Box 381468
Germantown, TN 381831468

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
February 16, 2026
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Tennessee #3450
Medicaid
TN #Q036784

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508125626. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
842
Distinct HCPCS
10
Medicare allowed
$93,139
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 180 123 $46
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 157 151 $122
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 95 95 $95
99214 Established patient office or other outpatient visit, 30-39 minutes 66 51 $119
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 56 56 $230
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 44 44 $100
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 33 26 $75
45378 Diagnostic exam of large bowel using a flexible endoscope 32 31 $154
45380 Biopsy of large bowel using a flexible endoscope 30 30 $135
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 27 27 $147

In context: peer comparison

Among 6 peers in this city , average services per provider: 53. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$297
Transactions
15
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 13 $260.77
Janssen Biotech, Inc. 1 $20.42
Celgene Corporation 1 $15.85

By nature of payment

Food and Beverage
$297

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
228
Patients
81
Total drug cost
$58,942
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 106 44 $2,167
Creon (Lipase/Protease/Amylase) Brand 23 0 $34,600
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 23 22 $3,885
Mesalamine Generic 19 0 $10,678
Dicyclomine Hcl Generic 17 0 $470
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 15 15 $273
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 13 0 $142
Linzess (Linaclotide) Brand 12 0 $6,728

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Gillis's medical specialty?
Dr. Jeffrey Gillis practices Gastroenterology Physician in Jackson, TN.
Where does Dr. Jeffrey Gillis practice?
Dr. Jeffrey Gillis practices at 27A Medical Center Dr, Jackson, TN 383013949. Office phone: 7315418300.
What is Dr. Jeffrey Gillis's NPI?
Dr. Jeffrey Gillis's National Provider Identifier (NPI) is 1508125626, issued by NPPES.
Does Dr. Jeffrey Gillis accept Medicare assignment?
Yes. Dr. Jeffrey Gillis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Gillis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.