Doctor profile · Federal record

Dr. Andrew Simpson, MD

Gastroenterology Physician (CMS: Gastroenterology) · Decatur, GA

  • NPI 1417134008
  • Accepts Medicare
  • MIPS 86.9 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2675 N Decatur RD Ste 506
Decatur, GA 300336134
(404) 299-1679
fax (404) 508-7558

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
January 19, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Georgia #061859

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417134008. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
472
Distinct HCPCS
10
Medicare allowed
$60,749
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 151 100 $125
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 64 64 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 56 45 $89
99204 New patient office or other outpatient visit, 45-59 minutes 38 38 $165
45380 Biopsy of large bowel using a flexible endoscope 34 34 $133
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 30 30 $248
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 27 17 $78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 20 $128
43450 Dilation of esophagus 14 14 $39
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 14 14 $180

In context: peer comparison

Among 7 peers in Decatur Gastroenterology Physician, average services per provider: 42. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,616
Transactions
113
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 20 $451.09
Abbvie INC. 25 $386.33
Lilly USA, LLC 11 $263.61
Regeneron Healthcare Solutions, INC. 8 $231.67
Takeda Pharmaceuticals U.S.A., INC. 11 $208.72
Intercept Pharmaceuticals, INC. 7 $154.13
Phathom Pharmaceuticals, INC. 5 $105.03
Gilead Sciences, INC. 3 $92.47
Celgene Corporation 5 $91.82
Genzyme Corporation 4 $89.98
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 4 $79.74
Ardelyx, INC. 4 $74.36
Pfizer INC. 2 $42.45
Ipsen Biopharmaceuticals, INC 2 $41.47
Organon LLC 2 $40.26

By nature of payment

Food and Beverage
$2,616

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
859
Patients
245
Total drug cost
$93,267
Drug Type Claims Patients Total cost
Omeprazole Generic 211 86 $2,990
Pantoprazole Sodium Generic 132 37 $2,121
Dicyclomine Hcl Generic 130 56 $2,571
Famotidine Generic 75 25 $1,262
Ondansetron Hcl Generic 54 14 $613
Linzess (Linaclotide) Brand 43 14 $34,032
Metoclopramide Hcl Generic 33 0 $184
Ondansetron Odt (Ondansetron) Brand 29 0 $611
Sucralfate Generic 25 13 $1,699
Colestipol Hcl Generic 23 0 $2,287

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Simpson's medical specialty?
Dr. Andrew Simpson practices Gastroenterology Physician in Decatur, GA.
Where does Dr. Andrew Simpson practice?
Dr. Andrew Simpson practices at 2675 N Decatur RD Ste 506, Decatur, GA 300336134. Office phone: 4042991679.
What is Dr. Andrew Simpson's NPI?
Dr. Andrew Simpson's National Provider Identifier (NPI) is 1417134008, issued by NPPES.
Does Dr. Andrew Simpson accept Medicare assignment?
Yes. Dr. Andrew Simpson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Simpson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.