Doctor profile · Federal record

Dr. Charles Morrissette, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Hattiesburg, MS

  • NPI 1760485148
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Methodist Hospital Blvd
Hattiesburg, MS 394021295
(601) 268-5185
fax (601) 268-5006

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Mississippi #13146
Medicaid
MS #00119757

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760485148. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,790
Distinct HCPCS
10
Medicare allowed
$286,770
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 1,285 119 $44
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 712 117 $58
99214 Established patient office or other outpatient visit, 30-39 minutes 226 174 $117
99213 Established patient office or other outpatient visit, 20-29 minutes 198 175 $83
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 151 151 $234
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 147 38 $43
91200 Measurement of liver stiffness 131 130 $27
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 122 34 $44
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 117 117 $90
99204 New patient office or other outpatient visit, 45-59 minutes 114 114 $153

In context: peer comparison

Among 5 peers in Hattiesburg Gastroenterology Physician, average services per provider: 107. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$888
Transactions
50
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 25 $382.74
Qol Medical, LLC 5 $89.75
Janssen Biotech, INC. 3 $84.54
Pfizer INC. 3 $58.07
Celgene Corporation 2 $45.71
Takeda Pharmaceuticals U.S.A., INC. 2 $38.89
Madrigal Pharmaceuticals 1 $33.34
Aimmune Therapeutics, INC. 2 $30.95
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $30.48
Genzyme Corporation 1 $22.13
Ardelyx, INC. 1 $18.90
Phathom Pharmaceuticals, INC. 1 $18.62
Intercept Pharmaceuticals, INC. 1 $17.92
Boehringer Ingelheim Pharmaceuticals, INC. 1 $16.01

By nature of payment

Food and Beverage
$888

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
644
Patients
387
Total drug cost
$250,262
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 178 174 $4,358
Pantoprazole Sodium Generic 111 48 $1,899
Famotidine Generic 79 31 $1,561
Omeprazole Generic 75 33 $1,307
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 37 37 $5,948
Ondansetron Odt (Ondansetron) Brand 25 12 $448
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 20 20 $406
Twinrix (Hepatitis A and B Vaccine/Pf) Brand 20 17 $2,948
Linzess (Linaclotide) Brand 19 0 $14,041
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 16 15 $297

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Morrissette's medical specialty?
Dr. Charles Morrissette practices Gastroenterology Physician in Hattiesburg, MS.
Where does Dr. Charles Morrissette practice?
Dr. Charles Morrissette practices at 100 Methodist Hospital Blvd, Hattiesburg, MS 394021295. Office phone: 6012685185.
What is Dr. Charles Morrissette's NPI?
Dr. Charles Morrissette's National Provider Identifier (NPI) is 1760485148, issued by NPPES.
Does Dr. Charles Morrissette accept Medicare assignment?
Yes. Dr. Charles Morrissette accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Morrissette 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); Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.