Doctor profile · Federal record

Dr. Herbert Mayer, M.D.

Gastroenterology Physician · New Orleans, LA

  • NPI 1447225537
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2820 Napoleon Avenue, Suite 720
New Orleans, LA 70115
(504) 896-8670
fax (504) 896-8699
Mailing address
1111 Medical Center Blvd, Suite S-450
Marrero, LA 700723151

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 23, 2012
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Louisiana #MD017305
Medicaid
LA #1336009

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447225537. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
976
Distinct HCPCS
10
Medicare allowed
$92,923
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 207 135 $87
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 198 27 $46
99214 Established patient office or other outpatient visit, 30-39 minutes 118 81 $122
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 116 27 $61
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 54 53 $104
45380 Biopsy of large bowel using a flexible endoscope 51 51 $115
99203 New patient office or other outpatient visit, 30-44 minutes 48 48 $109
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 42 42 $249
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 39 24 $78
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $161

In context: peer comparison

Among 19 peers in this city , average services per provider: 35. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,191
Transactions
85
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 52 $551.96
Salix Pharmaceuticals, a division of Bausch Health US, LLC 9 $140.97
Regeneron Healthcare Solutions, Inc. 3 $91.09
GENZYME CORPORATION 3 $64.68
Janssen Biotech, Inc. 4 $62.93
Takeda Pharmaceuticals U.S.A., Inc. 3 $55.91
Ardelyx, Inc. 2 $46.77
Phathom Pharmaceuticals, Inc. 2 $32.49
Madrigal Pharmaceuticals 1 $26.71
Gilead Sciences, Inc. 1 $20.51
PFIZER INC. 1 $18.47
FUJIFILM Healthcare Americas Corporation 1 $18.42
Celltrion USA Inc. 1 $17.31
Intercept Pharmaceuticals, Inc. 1 $15.41
IRONWOOD PHARMACEUTICALS, INC 1 $14.24

By nature of payment

Food and Beverage
$1,191

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,549
Patients
613
Total drug cost
$99,937
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 461 165 $5,886
Famotidine Generic 301 104 $5,539
Dicyclomine Hcl Generic 181 66 $3,611
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 140 135 $22,834
Omeprazole Generic 69 23 $1,128
Linzess (Linaclotide) Brand 62 21 $49,165
Cholestyramine (Cholestyramine (With Sugar)) Brand 52 23 $5,277
Promethazine Hcl Generic 50 0 $552
Colestipol Hcl Generic 42 14 $2,103
Ciprofloxacin Hcl Generic 39 21 $416

Frequently asked questions

Auto-generated from federal data
What is Dr. Herbert Mayer's medical specialty?
Dr. Herbert Mayer practices Gastroenterology Physician in New Orleans, LA.
Where does Dr. Herbert Mayer practice?
Dr. Herbert Mayer practices at 2820 Napoleon Avenue, New Orleans, LA 70115. Office phone: 5048968670.
What is Dr. Herbert Mayer's NPI?
Dr. Herbert Mayer's National Provider Identifier (NPI) is 1447225537, issued by NPPES.
What procedures does Dr. Herbert Mayer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.