Doctor profile · Federal record

Dr. Waihong Chung

Gastroenterology Physician (CMS: Gastroenterology) · Fairhaven, MA

  • NPI 1942694245
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
208 Mill RD
Fairhaven, MA 027195208
(508) 973-2661
fax (508) 973-0314
Mailing address
200 Mill RD Ste 180
Fairhaven, MA 027195255

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
October 20, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #290422

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942694245. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,062
Distinct HCPCS
10
Medicare allowed
$160,409
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 206 118 $120
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 119 119 $95
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 114 103 $175
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 107 107 $248
99215 Established patient office or other outpatient visit, 40-54 minutes 88 73 $181
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 79 54 $80
45380 Biopsy of large bowel using a flexible endoscope 61 61 $122
99215 Established patient office or other outpatient visit, 40-54 minutes 53 51 $144
99205 New patient office or other outpatient visit, 60-74 minutes 38 38 $224
45378 Diagnostic exam of large bowel using a flexible endoscope 32 32 $176

In context: peer comparison

Among 3 peers in Fairhaven Gastroenterology Physician, average services per provider: 61. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,413
Transactions
19
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 3 $336.97
Gilead Sciences, INC. 4 $296.98
Phathom Pharmaceuticals, INC. 2 $204.34
Janssen Biotech, INC. 2 $154.18
Abbvie INC. 4 $151.49
Madrigal Pharmaceuticals 2 $135.07
Pfizer INC. 1 $118.05
Ardelyx, INC. 1 $15.67

By nature of payment

Food and Beverage
$1,199
Travel and Lodging
$214

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
435
Patients
144
Total drug cost
$74,451
Drug Type Claims Patients Total cost
Omeprazole Generic 153 56 $3,679
Pantoprazole Sodium Generic 98 48 $2,031
Famotidine Generic 54 17 $1,297
Mesalamine Generic 34 0 $30,893
Linzess (Linaclotide) Brand 24 11 $31,830
Sucralfate Generic 18 0 $640
Esomeprazole Magnesium Generic 16 0 $3,227
Loperamide (Loperamide Hcl) Brand 14 0 $275
Metronidazole Generic 12 12 $164
Ondansetron Odt (Ondansetron) Brand 12 0 $416

Frequently asked questions

Auto-generated from federal data
What is Dr. Waihong Chung's medical specialty?
Dr. Waihong Chung practices Gastroenterology Physician in Fairhaven, MA.
Where does Dr. Waihong Chung practice?
Dr. Waihong Chung practices at 208 Mill RD, Fairhaven, MA 027195208. Office phone: 5089732661.
What is Dr. Waihong Chung's NPI?
Dr. Waihong Chung's National Provider Identifier (NPI) is 1942694245, issued by NPPES.
Does Dr. Waihong Chung accept Medicare assignment?
Yes. Dr. Waihong Chung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Waihong Chung commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.