Waihong Chung
NPI 1942694245 · Gastroenterology Physician · Fairhaven, MA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Waihong Chung is a Gastroenterology Physician provider in Fairhaven, MA (NPI 1942694245).
Provider details
- NPI number
- 1942694245
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 290422 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,150 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 156 | $125 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 144 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 124 | $194 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 110 | $181 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 99 | $255 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 193 | 67 |
| Pantoprazole Sodium | 181 | 60 |
| Famotidine | 64 | 21 |
| Linaclotidebrand: Linzess | 57 | 20 |
| Loperamide Hclbrand: Loperamide | 35 | 14 |
| Esomeprazole Magnesium | 35 | 11 |
| Sucralfate | 32 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,413 across 19 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-24
- Last updated
- 2022-10-20
- Certified
- 2022-10-20
Frequently asked questions
- What is Waihong Chung's NPI number?
- Waihong Chung's National Provider Identifier (NPI) is 1942694245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Waihong Chung's specialty?
- Waihong Chung is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Waihong Chung located?
- Waihong Chung's practice location on file with NPPES is 208 Mill Rd, Fairhaven, MA 02719-5208.
- What is Waihong Chung's phone number?
- The practice phone number listed in the NPPES registry for Waihong Chung is (508) 973-2661.
- Does Waihong Chung accept Medicare?
- Waihong Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Waihong Chung's NPI active?
- Yes — Waihong Chung's NPI (1942694245) is active in the NPPES registry as of the last update on 2022-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.