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DR. ANDREW CHUN MD
NPI 1255370300
Internal Medicine - Gastroenterology in Cincinnati, OH

Active since June 05, 2006PECOS EnrolledAccepts Medicare Assignment
2925 VERNON PL STE 100, CINCINNATI, OH 45219(513) 751-6667(513) 872-4553 Get Directions Write a Review

NPPES record last updated: September 26, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 26, 2024, Apr 18, 2024, Jul 21, 2022 (3 updates tracked since 2022).

About Dr. Andrew Chun Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREW CHUN MD (NPI 1255370300) is an individual gastroenterology provider in Cincinnati, Ohio, licensed in Ohio (35076752) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Health-anderson Hospital, and maintains a secondary practice location in Washington Court House.

NPPES Registry Identity

NPI1255370300
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ANDREW CHUNCredential: MD
Location Address2925 VERNON PL STE 100Cincinnati, OH 45219-2425
Mailing Address7975 Greylock DrCincinnati, OH 45243-2725 · (513) 794-5600
Phone(513) 751-6667
Fax(513) 872-4553
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1991
Enumeration DateJune 5, 2006
Last NPPES UpdateSeptember 26, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2024
✔ NPI 1255370300 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in OH · 35076752
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2925 VERNON PL STE 100, Cincinnati, OH 45219
Open in Google Maps ↗

Secondary Practice Location 1

Location 11450 Columbus Ave Ste 106Washington Court House, OH 43160-3701 · Phone (740) 333-2922

Other Identifiers 1

Medicaid2165562OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew Chun Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133012214
PECOS Enrollment IDI20050608000060
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Andrew Chun reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gcga Physicians Inc.
Same address
Gastroenterology
2925 VERNON PL, SUITE 100
Cincinnati, OH 45219
  • Reassigned Medicare billing, Ohio enrollment
  • 96 clinicians in this Medicare group
NPI 1790851095 (513) 751-6667
Trihealth G LLC
1.2 mi
Internal Medicine
379 DIXMYTH AVE
Cincinnati, OH 45220
  • Reassigned Medicare billing, Ohio enrollment
  • 1,126 clinicians in this Medicare group
NPI 1295862944 (513) 246-7000
Highland District Hospital Professional Services Corporation
48 mi
Family Medicine
1275 N HIGH ST
Hillsboro, OH 45133
  • Reassigned Medicare billing, Ohio enrollment
  • 31 clinicians in this Medicare group
NPI 1205893351 (937) 393-6101
Adena Medical Group LLC
84 mi
Family Medicine
272 HOSPITAL RD
Chillicothe, OH 45601
  • Reassigned Medicare billing, Ohio enrollment
  • 763 clinicians in this Medicare group
NPI 1235468083 (740) 779-7500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
156 services94 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
83 services81 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
75 services73 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
39 services38 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
37 services37 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
37 services22 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Health-Anderson Hospital

Acute Care Hospitals · Cincinnati, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360001
Location7500 State RoadCincinnati, OH 45255 · Hamilton County
Emergency services Birthing friendly

Good Samaritan Hospital

Acute Care Hospitals · Cincinnati, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360134
Location375 Dixmyth AvenueCincinnati, OH 45220 · Hamilton County
Emergency services Birthing friendly

Mercy Health - West Hospital

Acute Care Hospitals · Cincinnati, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360234
Location3300 Mercy Health BlvdCincinnati, OH 45211 · Hamilton County
Emergency services Birthing friendly

Mercy Health - Clermont Hospital

Acute Care Hospitals · Batavia, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360236
Location3000 Hospital DriveBatavia, OH 45103 · Clermont County
Emergency services

Adena Fayette Medical Center

Critical Access Hospitals · Washington Ch, OH
OwnershipGovernment - Local
CMS Certification Number361331
Location1430 Columbus AvenueWashington Ch, OH 43160 · Fayette County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45219 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
83%69 patients4/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
73%99 patients3/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
25%105 patients2/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GCGA PHYSICIANS INC.
Internal Medicine (Gastroenterology)
2925 VERNON PL STE 100
CINCINNATI, OH 45219
Hamilton County (513) 751-6667
GCGA PHYSICIANS, LLC
Non-Pharmacy Dispensing Site
2925 VERNON PL STE 100
CINCINNATI, OH 45219
Hamilton County (305) 468-4185
MRS. LAURIE ANN EINWALD P.A.-C
Physician Assistant (Medical)
2925 VERNON PL STE 100
CINCINNATI, OH 45219
Hamilton County (513) 751-6667
DR. JORGE TAN GO M.D.
Internal Medicine (Gastroenterology)
2925 VERNON PL STE 100
CINCINNATI, OH 45219
Hamilton County (513) 751-6667
KAI YIK HA M.D.
Internal Medicine (Gastroenterology)
2925 VERNON PL STE 100
CINCINNATI, OH 45219
Hamilton County (513) 751-6667
EMILY BITTNER APRN
Nurse Practitioner (Family)
2925 VERNON PL STE 100
CINCINNATI, OH 45219
Hamilton County (513) 751-6667

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Chun's NPI number?

The NPI number for Andrew Chun is 1255370300. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Andrew Chun located?

Andrew Chun practices at 2925 Vernon Pl Ste 100, Cincinnati, OH 45219. The listed phone number is (513) 751-6667.

What is Andrew Chun's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Andrew Chun enrolled in Medicare?

Yes. Andrew Chun is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Andrew Chun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Chun reassigns Medicare benefits to 4 organizations: Gcga Physicians Inc. (Cincinnati, OH), Trihealth G LLC (Cincinnati, OH), Highland District Hospital Professional Services Corporation (Hillsboro, OH) and Adena Medical Group LLC (Chillicothe, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Chun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Andrew Chun accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 4 other insurers list Andrew Chun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Andrew Chun affiliated with any hospitals?

According to CMS data, Andrew Chun is affiliated with Mercy Health-Anderson Hospital, Good Samaritan Hospital, Mercy Health - West Hospital, Mercy Health - Clermont Hospital and Adena Fayette Medical Center.

When was this NPI record last updated?

The NPPES record for Andrew Chun was last updated on September 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.