John Hong, MD
NPI 1023088630 · Gastroenterology Physician · Fallbrook, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hong, MD is a Gastroenterology Physician provider in Fallbrook, CA (NPI 1023088630).
Provider details
- NPI number
- 1023088630
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A63582 (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
20 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
2,484 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 572 | $139 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 474 | $100 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 467 | $71 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 213 | $266 |
| Balloon Dilation of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope, Less Than 3.0 Cm43249 | 166 | $118 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 383 | 185 |
| Esomeprazole Magnesium | 122 | 58 |
| Famotidine | 67 | 39 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 42 | 18 |
| Omeprazole | 25 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 13 | 13 |
| Eluxadolinebrand: Viberzi | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,625 across 21 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
- 2006-01-25
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is John Hong's NPI number?
- John Hong's National Provider Identifier (NPI) is 1023088630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hong's specialty?
- John Hong is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Hong located?
- John Hong's practice location on file with NPPES is 521 East Elder St, Fallbrook, CA 92028.
- What is John Hong's phone number?
- The practice phone number listed in the NPPES registry for John Hong is (760) 728-9560.
- Does John Hong accept Medicare?
- John Hong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hong's NPI active?
- Yes — John Hong's NPI (1023088630) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.