Doctor profile · Federal record

Dr. Catherine Hirsch, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Pascagoula, MS

  • NPI 1598795171
  • Accepts Medicare
  • 43 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4511 Hospital St
Pascagoula, MS 395815336
(228) 769-7791
fax (228) 769-7747

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 4, 2013
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Mississippi #10285
Medicaid
MS #00018555

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598795171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,466
Distinct HCPCS
10
Medicare allowed
$131,717
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 354 312 $33
99213 Established patient office or other outpatient visit, 20-29 minutes 304 252 $62
45380 Biopsy of large bowel using a flexible endoscope 280 277 $142
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 172 171 $64
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 72 71 $230
99204 New patient office or other outpatient visit, 45-59 minutes 70 70 $126
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 51 50 $106
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 38 36 $123
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 27 $75
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 29 29 $170

In context: peer comparison

Among 4 peers in this city , average services per provider: 115. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,081
Transactions
56
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 18 $361.94
Janssen Biotech, Inc. 9 $170.97
PFIZER INC. 6 $120.37
Ardelyx, Inc. 4 $86.32
Celgene Corporation 4 $58.44
Lilly USA, LLC 3 $53.04
Takeda Pharmaceuticals U.S.A., Inc. 2 $40.68
AIMMUNE THERAPEUTICS, INC. 2 $40.00
Merck Sharp & Dohme LLC 2 $36.84
QOL Medical, LLC 1 $22.83
GENZYME CORPORATION 1 $21.58
Intercept Pharmaceuticals, Inc. 1 $20.22
Organon Llc 1 $19.37
EVOKE PHARMA, INC. 1 $15.00
Celltrion USA Inc. 1 $13.41

By nature of payment

Food and Beverage
$1,068
Education
$13

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,862
Patients
651
Total drug cost
$68,821
Drug Type Claims Patients Total cost
Omeprazole Generic 518 149 $5,809
Pantoprazole Sodium Generic 301 74 $3,766
Prochlorperazine Maleate Generic 240 236 $530
Sucralfate Generic 190 66 $7,885
Dicyclomine Hcl Generic 154 49 $4,439
Famotidine Generic 95 27 $1,193
Colesevelam Hcl Generic 62 20 $15,077
Ondansetron Hcl Generic 62 30 $1,155
Amitriptyline Hcl Generic 57 0 $587
Nifedipine Er (Nifedipine) Brand 50 0 $597

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Hirsch's medical specialty?
Dr. Catherine Hirsch practices Gastroenterology Physician in Pascagoula, MS.
Where does Dr. Catherine Hirsch practice?
Dr. Catherine Hirsch practices at 4511 Hospital St, Pascagoula, MS 395815336. Office phone: 2287697791.
What is Dr. Catherine Hirsch's NPI?
Dr. Catherine Hirsch's National Provider Identifier (NPI) is 1598795171, issued by NPPES.
Does Dr. Catherine Hirsch accept Medicare assignment?
Yes. Dr. Catherine Hirsch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Hirsch commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.