Eric Chu
NPI 1790879351 · Gastroenterology Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Chu is a Gastroenterology Physician provider in Long Beach, CA (NPI 1790879351).
Provider details
- NPI number
- 1790879351
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A72184 (CA)
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
19 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
528 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 129 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 87 | $179 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $138 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 70 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $99 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 182 | 81 |
| Peg3350/Sod Sul/Nacl/Kcl/Asb/Cbrand: Plenvu | 102 | 99 |
| Omeprazole | 48 | 18 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 44 | 43 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 32 | 31 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 29 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,456 across 152 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
- 2006-10-03
- Last updated
- 2008-03-31
Frequently asked questions
- What is Eric Chu's NPI number?
- Eric Chu's National Provider Identifier (NPI) is 1790879351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Chu's specialty?
- Eric Chu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Chu located?
- Eric Chu's practice location on file with NPPES is 2880 Atlantic Ave, Long Beach, CA 90806-1714.
- What is Eric Chu's phone number?
- The practice phone number listed in the NPPES registry for Eric Chu is (562) 595-5421.
- Does Eric Chu accept Medicare?
- Eric Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Chu's NPI active?
- Yes — Eric Chu's NPI (1790879351) is active in the NPPES registry as of the last update on 2008-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.