Dr. Chang Kyeong Oh, MD
- Medicare services, 2024
- 788
- Medicare patients, 2024
- 498
- Part D claims, 2024
- 1,028
- Hospital affiliations
- 1
- Industry payments
- $8,306
- Practice address
- 2544 Court Dr, Gastonia, NC 28054
- Practice phone
- Call (704) 671-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endocrinology Associates
Gastonia, North Carolina
Find Dr. Oh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Chang Kyeong Oh is a gastroenterologist in Gastonia, North Carolina
Dr. Oh practices at Endocrinology Associates in Gastonia, North Carolina.
Dr. Oh's NPI, 1316989288, was assigned on June 12, 2006. Dr. Oh holds North Carolina license 2016-02536.
- NPI
- 1316989288NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224031489
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (704) 671-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chang Kyeong Oh practices at Endocrinology Associates in Gastonia, North Carolina
Dr. Oh's primary practice is Endocrinology Associates, at 2544 Court Dr, Gastonia, NC 28054 in Gaston County. The practice phone is (704) 671-6400.
- Endocrinology Associates2544 Court Dr, Gastonia, NC 28054 · Gaston CountyPhone(704) 671-6400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Chang Kyeong Oh is affiliated with 3 sites of care and 1 medical group
Dr. Oh's primary practice is Endocrinology Associates in Gastonia, North Carolina. Dr. Oh is also affiliated with CaroMont Regional Medical Center. The medical group on file is CaroMont Medical Group. Dmand AI also links Dr. Oh to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chang Kyeong Oh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endocrinology Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chang Kyeong Oh is one of 590 gastroenterologists in North Carolina
Gastroenterology is Dr. Oh's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Oh's licenses on file in 2 states: North Carolina and Indiana.
Specialties and state licenses
- Gastroenterology, North CarolinaPrimary
- Indiana license
Gastroenterologists near Dr. Oh
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Chang Kyeong Oh billed Medicare for 788 services in 2024
CMS data shows 788 Medicare services from Dr. Oh across 15 procedure codes in 2024, for 498 Medicare patients. Medicare paid $87,091 for them.
Dr. Oh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4092024: 3924%
- Surgery
- 2023: 4432024: 34522%
- Other services
- 2023: 262024: 3535%
- Tests and treatments
- 2023: 262024: 1638%
Where Dr. Oh's Medicare services took place, 2024
- In an office16321%
- In a facility62579%
Dr. Oh compared with the North Carolina median for gastroenterologists, 2024
- Dr. Oh
- North Carolina median
- Medicare services
- 788vs 43880% above
- Medicare patients
- 498vs 26886% above
- Part D claims
- 870vs 4022.2 times
Medians across 567 gastroenterologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Oh's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oh and other gastroenterologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chang Kyeong Oh treated 498 Medicare patients in 2024, average age 73
CMS counts 498 Medicare patients who saw Dr. Oh in 2024. The largest group is 65 to 74, with 244 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Oh's median patient age at 68, with 60% women.
Dr. Oh's Medicare patients by age, 2024
Dr. Oh's Medicare patients by sex, 2024
- Women29158%
- Men20742%
Chronic conditions among Dr. Oh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes38%
- Anxiety36%
- Chronic kidney disease35%
- Mood disorders33%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chang Kyeong Oh wrote 1,028 Medicare Part D claims in 2024
In 2024, Dr. Oh wrote 1,028 Medicare Part D claims for 317 patients. 94% of them were for generic drugs. CMS names the drug for 870 of them, across 9 drugs with 11 or more claims each, at $27,948 in total drug cost. In 2023, CMS named 898 claims across 9 drugs.
Dr. Oh's Part D claims by kind of drug, 2024
- Generic962 claims94%
- Brand-name66 claims6%
Dr. Oh's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8982024: 8703%
Drugs named by CMS: 9 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Chang Kyeong Oh ranks in the 89th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Oh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 189 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Oh, more than 89% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Oh ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 89th percentile189 procedures
- Colonoscopy
- 87th percentile138 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Chang Kyeong Oh received $8,306 in industry payments from 2017 to 2025
CMS Open Payments shows 173 general payments to Dr. Oh from 38 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 64% of the total. Olympus Corporation of the Americas paid the most, $1,840.
General payments to Dr. Oh by program year, 2017 to 2025
General payments to Dr. Oh by kind, 2017 to 2025
- Food and beverage$5,29064%
- Travel and lodging$2,88735%
- Education$1282%
Companies that paid Dr. Oh the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Chang Kyeong Oh's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Chang Kyeong Oh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Chang Kyeong Oh's NPI number?
Dr. Chang Kyeong Oh's NPI number is 1316989288. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chang Kyeong Oh?
Dr. Chang Kyeong Oh is a gastroenterologist in Gastonia, North Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Chang Kyeong Oh practice?
Dr. Oh practices at 2544 Court Dr, Gastonia, NC 28054. Dr. Oh's primary practice is Endocrinology Associates in Gastonia, North Carolina. Dmand AI also links Dr. Oh to 1 group practice or clinic.
What is Dr. Chang Kyeong Oh's office phone number?
The practice phone on file for Dr. Oh is (704) 671-6400.
What is Dr. Chang Kyeong Oh's medical license number?
Dr. Oh holds North Carolina license 2016-02536, one of the licenses on file in 2 states.
Which states has Dr. Chang Kyeong Oh been licensed in?
Dmand AI has state licenses on file for Dr. Oh in North Carolina and Indiana.
Which hospitals is Dr. Chang Kyeong Oh affiliated with?
Dr. Oh is affiliated with CaroMont Regional Medical Center.
What medical group is Dr. Chang Kyeong Oh part of?
Dr. Oh is linked to CaroMont Medical Group.
Does Dr. Chang Kyeong Oh accept Medicare?
Yes. CMS data shows Dr. Oh billed Medicare for 788 services in 2024, and Dr. Oh accepts Medicare assignment.
How many Medicare patients does Dr. Chang Kyeong Oh see?
CMS counts 498 Medicare patients who saw Dr. Oh in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Chang Kyeong Oh bill to Medicare?
In 2024, Dr. Oh's most billed Medicare services were hospital inpatient care (99232), surgery: digestive system (45385) and office visit, established patient (99214).
What drugs does Dr. Chang Kyeong Oh prescribe most?
In 2024 Medicare Part D data, Dr. Oh's most prescribed drugs by claims were Famotidine, Omeprazole and Pantoprazole Sodium.
Has Dr. Chang Kyeong Oh received payments from drug or device companies?
CMS Open Payments shows $8,306 in general payments to Dr. Oh from 38 companies from 2017 to 2025. The largest total came from Olympus Corporation of the Americas.
How long has Dr. Chang Kyeong Oh been practicing?
Dr. Oh graduated from medical school in 1999, 27 years ago.
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