Hyon Sik Kang, D.O.
Gastroenterology Physician · Katy, TX
Hyon Sik Kang, D.O. is a gastroenterology physician with a practice address in Katy, Texas, and NPI 1346202645, issued on Apr 4, 2006. Check the license (Texas N3111, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hyon Sik Kang
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- N3111 TX
Self-reported in NPPES; status is on the state search - Practice location
- 21777 Merchants Way Ste 410, Katy, TX 77449
- Phone
- (281) 895-2186
- Enumerated
- Apr 4, 2006
- Record last updated
- Jan 22, 2025
- Fax
- (281) 895-2187
- Medicaid ID
- 215114406 TX
- Medicare enrollment
- Enrolled (PECOS I20100902000787); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 2000
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Verify Hyon Sik Kang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N3111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average gastroenterology physician in 2024
641 Medicare Part D claims for 291 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium295 claims
- Sod Sulf-Potass Sulf-Mag Sulf159 claims
- Omeprazole69 claims
- Sucralfate21 claims
- Esomeprazole Magnesium13 claims
- Famotidine11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $683.99
13 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kelsey-Seybold Medical Group, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hyon Sik Kang among 1,478 gastroenterology physician records in Texas
Hyon Sik Kang, D.O. is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2000 · median 2003 among the 1,175 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Texas
There are 1,478 gastroenterology physician records in Texas.
All 1,478 in Texas → Every provider in Katy → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- William CurrieKaty, TX 774501093713596
- Nancy Behazin, M.D.Missouri City, TX 774591316108392
- Hamza Aziz, MDCypress, TX 774331306230362
- Sameer Siddique, MDCypress, TX 774331053544130
- Babatunde Adeyefa, M.D.Cypress, TX 774291699940528
- Saad Alsuwaidi, MACypress, TX 774291215851498
- Deepika Chona, M.D.Richmond, TX 774691942687066
- Eric Gou, M.D.Cypress, TX 774291144514670
Common questions
What is Hyon Sik Kang, D.O.'s NPI number?
Hyon Sik Kang, D.O.'s National Provider Identifier (NPI) is 1346202645, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hyon Sik Kang, D.O. located?
The NPPES record lists a practice address at 21777 Merchants Way Ste 410, Katy, TX, 77449. Phone: (281) 895-2186. Providers update this record themselves, so call before visiting.
How can I verify Hyon Sik Kang, D.O.'s license?
NPPES lists Texas license number N3111, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hyon Sik Kang, D.O. prescribe under Medicare Part D?
In 2024, Hyon Sik Kang, D.O. had 641 Medicare Part D claims for 291 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Hyon Sik Kang, D.O.'s MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.