David William Zaas, MD - Medicare Internal Medicine in Winston Salem, NC

David William Zaas, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Winston Salem, North Carolina. His current practice location is Medical Center Blvd, Winston Salem, North Carolina. You can reach out to his office (for appointments etc.) via phone at (336) 716-4649.

David William Zaas is licensed to practice in North Carolina (license number 200101304) 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 1588748461.

Contact Information

David William Zaas, MD
Medical Center Blvd,
Winston Salem, NC 27157-0001
(336) 716-4649
Not Available

Map and Direction




Physician's Profile

Full NameDavid William Zaas
GenderMale
SpecialityInternal Medicine - Pulmonary Disease
LocationMedical Center Blvd, Winston Salem, North Carolina
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1588748461
  • Provider Enumeration Date: 10/25/2006
  • Last Update Date: 01/18/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3779511027
  • Enrollment ID: I20050728000939

Medical Identifiers

Medical identifiers for David William Zaas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588748461NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 200101304 (North Carolina)Primary
207RP1001XInternal Medicine - Pulmonary Disease 84162 (South Carolina)Secondary
207RC0200XInternal Medicine - Critical Care Medicine 84162 (South Carolina)Secondary

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. David William Zaas allows following entities to bill medicare on his behalf.
Entity NameWake Forest University Health Sciences
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003803032
PECOS PAC ID: 4486564952
Enrollment ID: O20031105000436
Entity NameDuke University Health System, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376574798
PECOS PAC ID: 2567372345
Enrollment ID: O20031126000274

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. David William Zaas 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
David William Zaas, MD
Medical Center Blvd,
Winston Salem, NC 27157-0001

Ph: (367) 164-6493
David William Zaas, MD
Medical Center Blvd,
Winston Salem, NC 27157-0001

Ph: (336) 716-4649

Reviews and Comments


Internal Medicine Doctors in Winston Salem, NC

Shannon Mitchell St Clair, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 186 Kimel Park Dr, Winston Salem, NC 27103
Phone: 336-277-2000    Fax: 336-277-2050
Dr. Kamal Hanee Henderson, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 186 Kimel Park Dr, Winston Salem, NC 27103
Phone: 336-277-2000    Fax: 336-277-2050
Dr. Michael Joseph Mccormack Jr., M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: Medical Center Blvd, Winston Salem, NC 27157
Phone: 336-716-2255    
Randall Stephan Conrad, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: Medical Center Blvd, Winston Salem, NC 27157
Phone: 336-716-4305    
Brooke Williams, DO
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3333 Silas Creek Pkwy, Winston Salem, NC 27103
Phone: 336-718-8383    
Dr. Analicia Marie Alvarado, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: Medical Center Blvd, Winston Salem, NC 27157
Phone: 336-716-2255    
Dr. David Defeo, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3001 Lyndhurst Ave, Winston Salem, NC 27103
Phone: 336-765-0383    Fax: 336-768-1737

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.