Dr Mark David Williams, MD - Medicare Obstetrics & Gynecology in Lawrenceville, GA

Dr Mark David Williams, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Lawrenceville, Georgia. His current practice location is 1942 Atkinson Rd Ste 100, Lawrenceville, Georgia. You can reach out to his office (for appointments etc.) via phone at (678) 775-0600.

Dr Mark David Williams is licensed to practice in Georgia (license number 87944) 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 1447663679.

Contact Information

Dr Mark David Williams, MD
1942 Atkinson Rd Ste 100,
Lawrenceville, GA 30043-5004
(678) 775-0600
(678) 377-5284

Map and Direction




Physician's Profile

Full NameDr Mark David Williams
GenderMale
SpecialityObstetrics & Gynecology
Location1942 Atkinson Rd Ste 100, Lawrenceville, Georgia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1447663679
  • Provider Enumeration Date: 06/05/2014
  • Last Update Date: 11/03/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3779877709
  • Enrollment ID: I20180731002207

Medical Identifiers

Medical identifiers for Dr Mark David Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447663679NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 87944 (Georgia)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. Dr Mark David Williams allows following entities to bill medicare on his behalf.
Entity NameWellspan Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750480299
PECOS PAC ID: 1951213115
Enrollment ID: O20040220000815

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. Dr Mark David 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
Dr Mark David Williams, MD
1942 Atkinson Rd Ste 100,
Lawrenceville, GA 30043-5004

Ph: (678) 775-0600
Dr Mark David Williams, MD
1942 Atkinson Rd Ste 100,
Lawrenceville, GA 30043-5004

Ph: (678) 775-0600

Reviews and Comments


Obstetrics & Gynecology Doctors in Lawrenceville, GA

Mrs. Pushpa Lalaji, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 2878 Five Forks Trickum Rd, 2a, Lawrenceville, GA 30044
Phone: 678-344-8700    Fax: 678-344-8600
Erica Jin, DO
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1942 Atkinson Rd, Suite 100, Lawrenceville, GA 30043
Phone: 678-775-0600    Fax: 678-377-5284
Dr. Joseph F Pohl, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 500 Medical Center Blvd., Suite 365, Lawrenceville, GA 30046
Phone: 770-962-0972    
Dr. Vandene Tamoy Miller-adams, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1942 Atkinson Rd Ste 100, Lawrenceville, GA 30043
Phone: 678-775-0600    Fax: 678-377-5284
Denise B Pecht, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 575 Professional Dr, Ste 580, Lawrenceville, GA 30045
Phone: 770-339-4000    Fax: 770-339-9037
David P. Spielvogel, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1766 Crowes Lake Ct, Lawrenceville, GA 30043
Phone: 678-646-7545    
Laura Marie Morgigno, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 761 Old Norcross Rd, Lawrenceville, GA 30046
Phone: 770-513-4000    Fax: 770-995-1604

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.