Nazanin Williams, MD - Medicare Emergency Medicine in Flower Mound, TX

Nazanin Williams, MD is a medicare enrolled "Emergency Medicine" physician in Flower Mound, Texas. She graduated from medical school in 2006 and has 18 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Legacy Urgent Care Pa and her current practice location is 4400 Long Prairie Road, Flower Mound, Texas. You can reach out to her office (for appointments etc.) via phone at (512) 452-8533.

Nazanin Williams is licensed to practice in Texas (license number N5484) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1174855548.

Contact Information

Nazanin Williams, MD
4400 Long Prairie Road,
Flower Mound, TX 75028
(512) 452-8533
Not Available

Map and Direction




Physician's Profile

Full NameNazanin Williams
GenderFemale
SpecialityEmergency Medicine
Experience18 Years
Location4400 Long Prairie Road, Flower Mound, Texas
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Nazanin Williams graduated from medical school in 2006
  NPI Data:
  • NPI Number: 1174855548
  • Provider Enumeration Date: 02/09/2010
  • Last Update Date: 04/10/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 6103955588
  • Enrollment ID: I20100524000209

Medical Identifiers

Medical identifiers for Nazanin Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174855548NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine N5484 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Texas Health Presbyterian Hospital Flower MoundFlower mound, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Legacy Urgent Care Pa3072679828122

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. Nazanin Williams allows following entities to bill medicare on her behalf.
Entity NameTravis County Emergency Physicians Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962440933
PECOS PAC ID: 0840289468
Enrollment ID: O20040510000492
Entity NameLegacy Urgent Care Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568622272
PECOS PAC ID: 3072679828
Enrollment ID: O20090304000140
Entity NamePediatric Emergency Medicine Group, Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629448535
PECOS PAC ID: 9931409943
Enrollment ID: O20151124000478

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. Nazanin Williams 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
Nazanin Williams, MD
10807 Stone House Ln,
Frisco, TX 75033-2362

Ph: (469) 865-8635
Nazanin Williams, MD
4400 Long Prairie Road,
Flower Mound, TX 75028

Ph: (512) 452-8533

Reviews and Comments


Emergency Medicine Doctors in Flower Mound, TX

Jacob John Novak, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2628 Long Prairie Rd, Suite 107, Flower Mound, TX 75022
Phone: 972-899-6666    Fax: 972-899-6665
Dr. Roberto Antonio Lopez-freeman, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 4400 Long Prairie Rd, Emergency Department, Flower Mound, TX 75028
Phone: 469-322-7100    
John Michael Therwhanger, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2913 Carterton Ct, Flower Mound, TX 75022
Phone: 214-564-1525    
Dr. Long Van Nguyen, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 4400 Long Prairie Rd, Flower Mound, TX 75028
Phone: 469-322-7100    
Shrirang Shridhar Neurgaonkar, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3611 Morriss Rd, Flower Mound, TX 75028
Phone: 972-874-3776    Fax: 972-691-1444
James Michael Muzzarelli, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2628 Long Prairie Rd, Flower Mound, TX 75022
Phone: 972-899-6660    

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.