Doctor profile · Federal record
Dr. Gary Reiss, MD
Gastroenterology Physician (CMS: Gastroenterology) · Marrero, LA
- NPI 1568666543
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1111 Medical Center Blvd, Suite S-450
Marrero, LA 70072
(504) 349-6401
fax (504) 349-6444 - Mailing address
-
P.O. Box 1520
Marrero, LA 70073
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- August 12, 2014
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Louisiana #MD.200117
- Medicaid
- LA #1215040
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568666543. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
774
Distinct HCPCS
10
Medicare allowed
$75,990
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
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 | 110 | 17 | $46 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 100 | 54 | $78 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 98 | 92 | $36 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 60 | 16 | $61 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 57 | 52 | $84 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 51 | $116 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 50 | 50 | $242 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 45 | 45 | $55 | |
43259 |
Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 36 | 33 | $196 | |
43251 |
Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare | 33 | 33 | $139 |
In context: peer comparison
Among 2 peers in Marrero Gastroenterology Physician, average services per provider: 48. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$2,560
Transactions
125
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Laborie Medical Technologies Corp. | 7 | $599.77 | |
| Abbvie INC. | 54 | $466.57 | |
| Takeda Pharmaceuticals U.S.A., INC. | 18 | $295.76 | |
| Medtronic, INC. | 2 | $203.34 | |
| Ardelyx, INC. | 9 | $203.10 | |
| AnX Robotica Corp | 1 | $156.36 | |
| Phathom Pharmaceuticals, INC. | 14 | $131.33 | |
| Janssen Biotech, INC. | 4 | $59.15 | |
| Celltrion USA INC. | 3 | $54.83 | |
| Genzyme Corporation | 3 | $53.34 | |
| Regeneron Healthcare Solutions, INC. | 2 | $48.95 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 3 | $47.92 | |
| Celgene Corporation | 2 | $39.72 | |
| Conmed Corporation | 1 | $35.79 | |
| Fujifilm Healthcare Americas Corporation | 2 | $35.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,727
Patients
754
Total drug cost
$176,272
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 309 | 110 | $4,700 |
| Pantoprazole Sodium | Generic | 279 | 109 | $4,483 |
| Dicyclomine Hcl | Generic | 244 | 102 | $3,431 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 127 | 123 | $20,924 |
| Linzess (Linaclotide) | Brand | 118 | 40 | $120,385 |
| Famotidine | Generic | 107 | 38 | $2,086 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 91 | 88 | $7,010 |
| Ondansetron Odt (Ondansetron) | Brand | 85 | 29 | $2,325 |
| Promethazine Hcl | Generic | 79 | 0 | $2,104 |
| Ondansetron Hcl | Generic | 59 | 21 | $683 |
Hospital affiliations
Frequently asked questions
What is Dr. Gary Reiss's medical specialty?
Dr. Gary Reiss practices Gastroenterology Physician in Marrero, LA.
Where does Dr. Gary Reiss practice?
Dr. Gary Reiss practices at 1111 Medical Center Blvd, Marrero, LA 70072. Office phone: 5043496401.
What is Dr. Gary Reiss's NPI?
Dr. Gary Reiss's National Provider Identifier (NPI) is 1568666543, issued by NPPES.
Does Dr. Gary Reiss accept Medicare assignment?
Yes. Dr. Gary Reiss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Reiss commonly perform?
Top Medicare-reported procedures in 2023: 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.