Doctor profile · Federal record

Dr. Robert Loudon, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Alabaster, AL

  • NPI 1487608881
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1010 1St St N, Suite 112
Alabaster, AL 350078608
(205) 663-1023
fax (205) 802-7778
Mailing address
2018 Brookwood Medical Ctr Dr, Suite 206
Birmingham, AL 352096898

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 4, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Alabama #00023791

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487608881. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12,330
Distinct HCPCS
10
Medicare allowed
$331,850
HCPCS Description Services Patients Avg allowed
J3380 Injection, vedolizumab, 1 mg 10,200 23 $22
J1745 Injection, infliximab, excludes biosimilar, 10 mg 1,680 14 $33
45380 Biopsy of large bowel using a flexible endoscope 89 89 $109
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 59 59 $228
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 49 48 $84
99213 Established patient office or other outpatient visit, 20-29 minutes 39 35 $83
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 36 24 $57
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 34 34 $86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $163
96413 Administration of chemotherapy into vein, 1 hour or less 27 14 $115

In context: peer comparison

Among 4 peers in this city , average services per provider: 645. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,216
Transactions
116
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 39 $546.09
Janssen Biotech, Inc. 24 $479.58
Salix Pharmaceuticals, a division of Bausch Health US, LLC 12 $235.32
PFIZER INC. 13 $205.50
Lucid Diagnostics Inc. 1 $112.75
Takeda Pharmaceuticals U.S.A., Inc. 6 $96.35
GENZYME CORPORATION 4 $95.66
Regeneron Healthcare Solutions, Inc. 3 $71.89
AIMMUNE THERAPEUTICS, INC. 4 $55.45
Ardelyx, Inc. 2 $43.82
Celltrion USA Inc. 2 $40.74
Madrigal Pharmaceuticals 2 $34.07
Intercept Pharmaceuticals, Inc. 2 $31.62
Enterra Medical, Inc. 1 $26.80
CONMED Corporation 1 $25.91

By nature of payment

Food and Beverage
$2,116
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,388
Patients
600
Total drug cost
$137,519
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 610 184 $9,674
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 97 95 $7,814
Dicyclomine Hcl Generic 86 41 $2,187
Linzess (Linaclotide) Brand 80 26 $55,757
Esomeprazole Magnesium Generic 62 21 $4,980
Sucralfate Generic 58 23 $4,117
Omeprazole Generic 55 20 $1,177
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 53 53 $9,349
Colestipol Hcl Generic 44 15 $3,927
Ondansetron Hcl Generic 44 14 $706

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Loudon's medical specialty?
Dr. Robert Loudon practices Gastroenterology Physician in Alabaster, AL.
Where does Dr. Robert Loudon practice?
Dr. Robert Loudon practices at 1010 1St St N, Alabaster, AL 350078608. Office phone: 2056631023.
What is Dr. Robert Loudon's NPI?
Dr. Robert Loudon's National Provider Identifier (NPI) is 1487608881, issued by NPPES.
Does Dr. Robert Loudon accept Medicare assignment?
Yes. Dr. Robert Loudon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Loudon commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Injection, infliximab, excludes biosimilar, 10 mg (HCPCS J1745); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.