Ion Chuang
Emergency Medicine Physician · Allen, TX
Ion Chuang is an emergency medicine physician with a practice address in Allen, Texas, and NPI 1821034448, issued on Jun 21, 2006. Check the license (Texas Q3346, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ion Chuang
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- Q3346 TX
Self-reported in NPPES; status is on the state search - Practice location
- 936 Cottontop Trl, Allen, TX 75013
- Phone
- (856) 906-5116
- Enumerated
- Jun 21, 2006
- Record last updated
- Mar 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20150702000696); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Verify Ion Chuang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q3346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average emergency medicine physician in 2024
351 Medicare Part D claims for 223 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 18 claims were for opioids.
Most prescribed
- Ibuprofen30 claims
- Cephalexin24 claims
- Azithromycin22 claims
- Levofloxacin20 claims
- Prednisone19 claims
- Mupirocin14 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.
Bills Medicare through 2 group practices
- Northeast Texas Emergency Physicians PLLCLongview, TX
- Union Emergency Physicians PLLCTexarkana, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ion Chuang among 4,885 emergency medicine physician records in Texas
Ion Chuang is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1992 · median 2013 among the 2,779 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 emergency medicine physician records list a practice address in Allen
They are 19 of the 1,770 NPPES records with a practice address in Allen, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Allen → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Yvonne Barbee, DOAllen, TX 750131851560122
- Marian Bednar, MDAllen, TX 750131184663346
- John Cox, MDAllen, TX 750131992745558
- Joseph Fagner, MDAllen, TX 750131316051782
- Sean Fleming, MDAllen, TX 750131992745517
- Jonathan Franklin, MDAllen, TX 750131326088956
- Stephan Kramer, DOAllen, TX 750131265475453
- Adebowale Obaitan, MDAllen, TX 750131518952142
Common questions
What is Ion Chuang's NPI number?
Ion Chuang's National Provider Identifier (NPI) is 1821034448, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ion Chuang located?
The NPPES record lists a practice address at 936 Cottontop Trl, Allen, TX, 75013. Phone: (856) 906-5116. Providers update this record themselves, so call before visiting.
How can I verify Ion Chuang's license?
NPPES lists Texas license number Q3346, 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 Ion Chuang prescribe under Medicare Part D?
In 2024, Ion Chuang had 351 Medicare Part D claims for 223 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.