DERRICK WAYHORNG HWU M.D.
NPI 1679836720
Emergency Medicine in Dallas, TX

Active since June 22, 2012PECOS EnrolledAccepts Medicare Assignment
350 N SAINT PAUL ST, APT 2117, DALLAS, TX 75201(978) 319-0100 Get Directions Write a Review

NPPES record last updated: December 23, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Derrick Wayhorng Hwu M.d. NPPES

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

DERRICK WAYHORNG HWU M.D. (NPI 1679836720) is an individual emergency medicine provider in Dallas, Texas, licensed in Texas (Q3700) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Baylor Scott And White Medical Center Mckinney, and is a graduate of Tufts University School Of Medicine (2012).

NPPES Registry Identity

NPI1679836720
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDERRICK WAYHORNG HWUCredential: M.D.
Location Address350 N SAINT PAUL ST, APT 2117Dallas, TX 75201-4240
Mailing Address350 N Saint Paul St, Apt 2117Dallas, TX 75201-4240 · (978) 319-0100
Sole ProprietorYes
Medical School CMSTufts University School Of MedicineGraduated 2012
Enumeration DateJune 22, 2012
Last NPPES UpdateDecember 23, 2016
✔ NPI 1679836720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in TX · Q3700✔ Licensed in MI · 4301100671
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
350 N SAINT PAUL ST, Dallas, TX 75201

Accepted 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

Derrick Wayhorng Hwu M.d. 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 ID9638300213
PECOS Enrollment IDI20150910001386
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

5

Medicare enrollment records show Derrick Hwu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
3500 GASTON AVE
Dallas, TX 75246
  • Reassigned Medicare billing, Texas enrollment
  • 1,044 clinicians in this Medicare group
Orthopaedic Surgery
5323 HARRY HINES BLVD
Dallas, TX 75390
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group
Emergency Medicine
7601 PRESTON RD
Plano, TX 75024
  • Reassigned Medicare billing, Texas enrollment
  • 123 clinicians in this Medicare group
Emergency Medicine
6451 BRENTWOOD STAIR RD
Fort Worth, TX 76112
  • Reassigned Medicare billing, Texas enrollment
  • 231 clinicians in this Medicare group
Emergency Medicine
6451 BRENTWOOD STAIR RD, SUITE 200
Fort Worth, TX 76112
  • Reassigned Medicare billing, Texas enrollment
  • 545 clinicians in this Medicare group

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

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
32 services32 patients

Hospital Affiliations CMS Care Compare

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

Baylor Scott And White Medical Center Mckinney

Acute Care Hospitals · Mc Kinney, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670082
Location5252 West University DriveMc Kinney, TX 75071 · Collin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75201 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

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 Derrick Hwu's NPI number?

The NPI number for Derrick Hwu is 1679836720. It was assigned to this individual provider in the NPPES registry on June 22, 2012.

Where is Derrick Hwu located?

Derrick Hwu practices at 350 N Saint Paul St Apt 2117, Dallas, TX 75201. The listed phone number is (978) 319-0100.

What is Derrick Hwu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Derrick Hwu enrolled in Medicare?

Yes. Derrick Hwu 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 Derrick Hwu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derrick Hwu reassigns Medicare benefits to 5 organizations: Century Integrated Partners, Inc (Dallas, TX), University Of Texas Southwestern Medical Center At Dallas (Dallas, TX), Pediatric Emergency Medicine Group LLP (Plano, TX), Texas Physician Resources, LLP (Fort Worth, TX) and Texas Medicine Resources, LLP (Fort Worth, TX). 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 Derrick Hwu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derrick Hwu accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Health and Oscar Insurance Company list Derrick Hwu 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 Derrick Hwu affiliated with any hospitals?

According to CMS data, Derrick Hwu is affiliated with Baylor Scott And White Medical Center Mckinney.

When was this NPI record last updated?

The NPPES record for Derrick Hwu was last updated on December 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.