Doctor profile · Federal record

Dr. William Barlow, MD

Gastroenterology Physician (CMS: Gastroenterology) · St Augustine, FL

  • NPI 1700073251
  • Accepts Medicare
  • MIPS 77.2 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Groover Loop Ste 200
St Augustine, FL 320866569
(904) 398-7205
Mailing address
4800 Belfort RD
Jacksonville, FL 322566004

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
January 22, 2025
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Florida #ME0099996
Medicaid
FL #279654600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700073251. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,137
Distinct HCPCS
10
Medicare allowed
$159,570
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 244 206 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 215 170 $126
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 108 102 $103
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 108 108 $255
99204 New patient office or other outpatient visit, 45-59 minutes 93 93 $166
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 88 86 $132
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 78 56 $119
45380 Biopsy of large bowel using a flexible endoscope 73 72 $101
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 23 23 $187
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 21 21 $109

In context: peer comparison

Among 6 peers in this city , average services per provider: 106. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$437
Transactions
25
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 14 $260.93
PFIZER INC. 4 $60.02
Merck Sharp & Dohme LLC 3 $57.06
AIMMUNE THERAPEUTICS, INC. 2 $30.03
Takeda Pharmaceuticals U.S.A., Inc. 1 $15.25
Celgene Corporation 1 $13.86

By nature of payment

Food and Beverage
$437

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,086
Patients
454
Total drug cost
$370,657
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 290 117 $4,213
Omeprazole Generic 246 79 $3,330
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 141 137 $11,224
Dicyclomine Hcl Generic 98 36 $1,661
Linzess (Linaclotide) Brand 89 30 $66,596
Sucralfate Generic 44 20 $1,592
Bethanechol Chloride Generic 29 0 $1,430
Ondansetron Odt (Ondansetron) Brand 27 0 $750
Mesalamine Er (Mesalamine) Brand 23 0 $6,823
Humira(Cf) Pen (Adalimumab) Brand 20 0 $222,982

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Barlow's medical specialty?
Dr. William Barlow practices Gastroenterology Physician in St Augustine, FL.
Where does Dr. William Barlow practice?
Dr. William Barlow practices at 40 Groover Loop Ste 200, St Augustine, FL 320866569. Office phone: 9043987205.
What is Dr. William Barlow's NPI?
Dr. William Barlow's National Provider Identifier (NPI) is 1700073251, issued by NPPES.
Does Dr. William Barlow accept Medicare assignment?
Yes. Dr. William Barlow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Barlow commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.