Derrick Wayhorng Hwu, M.D.
Emergency Medicine Physician · Dallas, TX
Derrick Wayhorng Hwu, M.D. is an emergency medicine physician with a practice address in Dallas, Texas, and NPI 1679836720, issued on Jun 22, 2012. Check the license (Texas Q3700, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Derrick Wayhorng Hwu
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- Q3700 TX
4301100671 MI
Self-reported in NPPES; status is on the state search - Practice location
- 350 N Saint Paul St, Dallas, TX 75201
- Phone
- (978) 319-0100
- Enumerated
- Jun 22, 2012
- Record last updated
- Dec 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150910001386); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Verify Derrick Wayhorng Hwu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q3700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average emergency medicine physician in 2024
28 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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
- Century Integrated Partners, IncMcKinney, TX
- Pediatric Emergency Medicine Group, LLPPlano, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derrick Wayhorng Hwu among 4,885 emergency medicine physician records in Texas
Derrick Wayhorng Hwu, M.D. 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 2012, is newer than 55% of them.
- NPI issued2012 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2013 among the 2,779 with a school on file
- Record last updated2016 · 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).
512 emergency medicine physician records list a practice address in Dallas
They are 512 of the 36,304 NPPES records with a practice address in Dallas, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Dallas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Philip Abel, MDDallas, TX 752011679656763
- Brian Blake, D.O.Dallas, TX 752011952578064
- Bryan Buchanan, MDDallas, TX 752011811210537
- Allison Esenwine, MDDallas, TX 752011891719407
- Justin Fleishman, MDDallas, TX 752011821299108
- Omer JamalDallas, TX 752011508157785
- Amy Kahn, M.D.Dallas, TX 752011427177963
- Andy Kahn, M.D.Dallas, TX 752011649399189
Common questions
What is Derrick Wayhorng Hwu, M.D.'s NPI number?
Derrick Wayhorng Hwu, M.D.'s National Provider Identifier (NPI) is 1679836720, issued on Jun 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Derrick Wayhorng Hwu, M.D. located?
The NPPES record lists a practice address at 350 N Saint Paul St, Dallas, TX, 75201. Phone: (978) 319-0100. Providers update this record themselves, so call before visiting.
How can I verify Derrick Wayhorng Hwu, M.D.'s license?
NPPES lists Texas license number Q3700, 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 Derrick Wayhorng Hwu, M.D. prescribe under Medicare Part D?
In 2024, Derrick Wayhorng Hwu, M.D. had 28 Medicare Part D claims for 23 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.