William B Ewen, MD - Medicare Emergency Medicine in Dallas, TX

William B Ewen, MD is a medicare enrolled "Emergency Medicine - Emergency Medical Services" physician in Dallas, Texas. His current practice location is 5323 Harry Hines Blvd., Mc 8579, Dallas, Texas. You can reach out to his office (for appointments etc.) via phone at (214) 648-3916.

William B Ewen is licensed to practice in Texas (license number N6286) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1538355490.

Contact Information

William B Ewen, MD
5323 Harry Hines Blvd., Mc 8579,
Dallas, TX 75390-8579
(214) 648-3916
(214) 648-8423

Map and Direction




Physician's Profile

Full NameWilliam B Ewen
GenderMale
SpecialityEmergency Medicine - Emergency Medical Services
Location5323 Harry Hines Blvd., Dallas, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1538355490
  • Provider Enumeration Date: 09/24/2007
  • Last Update Date: 08/23/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 3274690987
  • Enrollment ID: I20101116000195

Medical Identifiers

Medical identifiers for William B Ewen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538355490NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207PE0004XEmergency Medicine - Emergency Medical Services N6286 (Texas)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William B Ewen allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Texas Southwestern Medical Center At Dallas
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972579365
PECOS PAC ID: 0648188250
Enrollment ID: O20031106000792
Entity NameThird Coast Emergency Physicians Southwest Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497793475
PECOS PAC ID: 6800794447
Enrollment ID: O20031222000126
Entity NameBlack Acre Emergency Physicians Medical Group Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013559707
PECOS PAC ID: 8628402500
Enrollment ID: O20191231001391

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William B Ewen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
William B Ewen, MD
5323 Harry Hines Blvd., Mc 8579,
Dallas, TX 75390-8579

Ph: (214) 648-3916
William B Ewen, MD
5323 Harry Hines Blvd., Mc 8579,
Dallas, TX 75390-8579

Ph: (214) 648-3916

Reviews and Comments


Emergency Medicine Doctors in Dallas, TX

Bradford Stager Commons, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5201 Harry Hines Blvd, House Staff & Gme, Dallas, TX 75235
Phone: 214-590-8058    
Dr. Sandeep Guttikonda, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5323 Harry Hines Boulevard, Dallas, TX 75390
Phone: 214-648-3916    Fax: 214-648-8423
Jeffrey Szot, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 7777 Forest Ln, Dallas, TX 75230
Phone: 972-566-2667    
Matthew Tice, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 12221 Merit Dr, Suite 1500, Dallas, TX 75251
Phone: 214-217-1911    
Dr. Renjie Michael Li, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 13737 Noel Rd, Dallas, TX 75240
Phone: 214-217-1912    
James Pierre D'etienne, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3500 Gaston Ave, Dallas, TX 75246
Phone: 214-820-2505    Fax: 214-712-2487
Aditya Lulla, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 6201 Harry Hines Blvd, Dallas, TX 75235
Phone: 214-633-5555    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.