Doctor profile · Federal record

Dr. Herbert Allen, M.D.

Specialist (CMS: Gastroenterology) · Gastroenterology Physician · South Hill, VA

  • NPI 1033188487
  • Accepts Medicare
  • 40 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 N Thomas St
South Hill, VA 239701421
(434) 447-2300
fax (434) 447-2377
Mailing address
Po Box 18563
Raleigh, NC 276198563

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
March 31, 2025
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
174400000X — NUCC code
State licenses (2)
Virginia #0101039630 · North Carolina #30535
Medicaid
VA #005828449

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033188487. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
724
Distinct HCPCS
10
Medicare allowed
$106,302
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 181 180 $236
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 90 84 $82
99213 Established patient office or other outpatient visit, 20-29 minutes 71 55 $85
99204 New patient office or other outpatient visit, 45-59 minutes 64 64 $158
99214 Established patient office or other outpatient visit, 30-39 minutes 59 46 $121
99203 New patient office or other outpatient visit, 30-44 minutes 51 51 $106
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 46 46 $81
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 38 38 $172
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 37 37 $172
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 27 24 $114

In context: peer comparison

Among 1 peers in South Hill Specialist, average services per provider: 55. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,651
Transactions
71
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 31 $514.33
Regeneron Healthcare Solutions, INC. 4 $118.51
Lilly USA, LLC 6 $113.59
Celltrion USA INC. 1 $100.00
Madrigal Pharmaceuticals 3 $77.07
Ardelyx, INC. 4 $75.25
Takeda Pharmaceuticals U.S.A., INC. 3 $59.62
Qol Medical, LLC 3 $57.55
Pfizer INC. 3 $53.32
Intercept Pharmaceuticals, INC. 3 $52.92
Janssen Biotech, INC. 2 $51.39
Boehringer Ingelheim Pharmaceuticals, INC. 2 $50.78
Genzyme Corporation 2 $49.88
Celgene Corporation 2 $49.82
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $42.22

By nature of payment

Food and Beverage
$1,651

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,039
Patients
723
Total drug cost
$27,635
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 249 100 $4,517
Ondansetron Hcl Generic 209 199 $432
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 104 104 $8,137
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 75 75 $1,798
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 73 73 $1,116
Metoclopramide Hcl Generic 56 48 $199
Omeprazole Generic 51 25 $847
Dicyclomine Hcl Generic 41 21 $1,319
Famotidine Generic 41 13 $631
Colestipol Hcl Generic 32 13 $4,524

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Herbert Allen's medical specialty?
Dr. Herbert Allen practices Specialist in South Hill, VA.
Where does Dr. Herbert Allen practice?
Dr. Herbert Allen practices at 500 N Thomas St, South Hill, VA 239701421. Office phone: 4344472300.
What is Dr. Herbert Allen's NPI?
Dr. Herbert Allen's National Provider Identifier (NPI) is 1033188487, issued by NPPES.
Does Dr. Herbert Allen accept Medicare assignment?
Yes. Dr. Herbert Allen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Herbert Allen commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); 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.