Doctor profile · Federal record

Dr. Adam Parker, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Meridian, MS

  • NPI 1053724179
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1800 12Th St
Meridian, MS 393014190
(601) 484-6700
Mailing address
Po Box 5392
Meridian, MS 393025392

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
September 19, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Mississippi #24929

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053724179. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
494
Distinct HCPCS
10
Medicare allowed
$65,516
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 103 98 $75
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 103 102 $207
45380 Biopsy of large bowel using a flexible endoscope 73 73 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 64 62 $159
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 42 41 $151
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 22 16 $71
45390 Removal of large bowel tissue using a flexible endoscope 18 18 $303
99214 Established patient office or other outpatient visit, 30-39 minutes 18 17 $91
45381 Injection beneath lining of large bowel using a flexible endoscope 15 15 $37
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 13 $107

In context: peer comparison

Among 4 peers in Meridian Gastroenterology Physician, average services per provider: 77. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$205
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 5 $96.26
Pfizer INC. 2 $49.50
Abbvie INC. 2 $29.50
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $15.77
Celgene Corporation 1 $14.08

By nature of payment

Food and Beverage
$205

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
485
Patients
421
Total drug cost
$9,027
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 257 245 $4,410
Omeprazole Generic 67 33 $1,067
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 49 48 $879
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 45 45 $1,319
Pantoprazole Sodium Generic 35 20 $784
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 32 30 $566

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Adam Parker's medical specialty?
Dr. Adam Parker practices Gastroenterology Physician in Meridian, MS.
Where does Dr. Adam Parker practice?
Dr. Adam Parker practices at 1800 12Th St, Meridian, MS 393014190. Office phone: 6014846700.
What is Dr. Adam Parker's NPI?
Dr. Adam Parker's National Provider Identifier (NPI) is 1053724179, issued by NPPES.
Does Dr. Adam Parker accept Medicare assignment?
Yes. Dr. Adam Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Parker commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.