Melissa Williams, CAA - Medicare Anesthesiologist Assistant in Marietta, GA

Melissa Williams, CAA is a medicare enrolled "Anesthesiologist Assistant" in Marietta, Georgia. Her current practice location is 677 Church St Ne, Marietta, Georgia. You can reach out to her office (for appointments etc.) via phone at (470) 956-4530.

Melissa Williams is licensed to practice in Georgia (license number 11413) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1831865559.

Contact Information

Melissa Williams, CAA
677 Church St Ne,
Marietta, GA 30060-1101
(470) 956-4530
Not Available

Map and Direction




Provider's Profile

Full NameMelissa Williams
GenderFemale
SpecialityAnesthesiologist Assistant
Location677 Church St Ne, Marietta, Georgia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1831865559
  • Provider Enumeration Date: 08/22/2021
  • Last Update Date: 04/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5395100333
  • Enrollment ID: I20230427000495

Medical Identifiers

Medical identifiers for Melissa Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831865559NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
367H00000XAnesthesiologist Assistant (* (Not Available))Secondary
367H00000XAnesthesiologist Assistant 11413 (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. Melissa Williams allows following entities to bill medicare on her behalf.
Entity NameWellstar Medical Group, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558664003
PECOS PAC ID: 6709065402
Enrollment ID: O20110127000374
Entity NameNorth Atlanta Anesthesia Professionals, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982349296
PECOS PAC ID: 5496134348
Enrollment ID: O20220623000371

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. Melissa 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
Melissa Williams, CAA
100 Woodruff Cir Ne,
Atlanta, GA 30322-1020

Ph: (404) 727-5910
Melissa Williams, CAA
677 Church St Ne,
Marietta, GA 30060-1101

Ph: (470) 956-4530

Reviews and Comments


Anesthesiologist Assistant Nurses in Marietta, GA

Whitney Morrow,
Anesthesiologist Assistant
Medicare: May Accept Medicare Assignments
Practice Location: 531 Roselane St Nw, Suite 750, Marietta, GA 30060
Phone: 770-794-0477    
Matthew D Carpenter, AAC
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 677 Church St Ne, Marietta, GA 30060
Phone: 770-794-0477    Fax: 770-794-3108
Eva Silvey Leonard, PAA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 2540 Windy Hill Rd Se, Marietta, GA 30067
Phone: 770-644-1274    
Luke Wilkins,
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 677 Church St Ne, Marietta, GA 30060
Phone: 770-794-0477    Fax: 770-794-3108
Jordan Batson Cawley, CAA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 677 Church St Ne, Marietta, GA 30060
Phone: 770-793-5000    
Mrs. Amber Toman, PAA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 677 Church St Ne, Marietta, GA 30060
Phone: 770-794-0477    
Mary Curran Dewyngaert, PA-AA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 677 Church St Ne, Marietta, GA 30060
Phone: 770-794-0477    Fax: 770-794-3108

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.