Andrew Chun, MD
NPI 1255370300 · Gastroenterology Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Chun, MD is a Gastroenterology Physician provider in Cincinnati, OH (NPI 1255370300).
Provider details
- NPI number
- 1255370300
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35076752 (OH)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
481 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 156 | $86 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 83 | $236 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 75 | $91 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 39 | $124 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 37 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 289 | 85 |
| Dicyclomine Hcl | 135 | 48 |
| Amitriptyline Hcl | 78 | — |
| Pantoprazole Sodium | 78 | 27 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 72 | 68 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 69 | 68 |
| Famotidine | 55 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,766 across 118 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
Additional practice locations (1)
- 1450 Columbus Ave Ste 106Washington Court House, OH 43160-3701Phone: (740) 333-2922
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2024-09-26
- Certified
- 2024-09-26
Frequently asked questions
- What is Andrew Chun's NPI number?
- Andrew Chun's National Provider Identifier (NPI) is 1255370300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Chun's specialty?
- Andrew Chun is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Chun located?
- Andrew Chun's practice location on file with NPPES is 2925 Vernon Pl Ste 100, Cincinnati, OH 45219-2425.
- What is Andrew Chun's phone number?
- The practice phone number listed in the NPPES registry for Andrew Chun is (513) 751-6667.
- Does Andrew Chun accept Medicare?
- Andrew Chun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Chun's NPI active?
- Yes — Andrew Chun's NPI (1255370300) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.