Lily Gem Hwang, MD - Medicare Allergy/immunology in Roswell, GA

Lily Gem Hwang, MD is a medicare enrolled "Allergy & Immunology" physician in Roswell, Georgia. She graduated from medical school in 2003 and has 21 years of diverse experience with area of expertise as Allergy/immunology. She is a member of the group practice Atlanta Allergy And Asthma Pa and her current practice location is 1357 Hembree Rd Ste 200, Roswell, Georgia. You can reach out to her office (for appointments etc.) via phone at (770) 953-3331.

Lily Gem Hwang is licensed to practice in Georgia (license number 062713) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1669648986.

Contact Information

Lily Gem Hwang, MD
1357 Hembree Rd Ste 200,
Roswell, GA 30076-5710
(770) 953-3331
(770) 751-8421

Map and Direction




Physician's Profile

Full NameLily Gem Hwang
GenderFemale
SpecialityAllergy/immunology
Experience21 Years
Location1357 Hembree Rd Ste 200, Roswell, Georgia
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Lily Gem Hwang graduated from medical school in 2003
  NPI Data:
  • NPI Number: 1669648986
  • Provider Enumeration Date: 05/06/2008
  • Last Update Date: 10/26/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8527112713
  • Enrollment ID: I20090824000085

Medical Identifiers

Medical identifiers for Lily Gem Hwang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669648986NPI-NPPES
647362657JMedicaidGA
647362657KMedicaidGA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 062713 (Georgia)Secondary
208000000XPediatrics 062713 (Georgia)Secondary
207K00000XAllergy & Immunology 062713 (Georgia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Piedmont HospitalAtlanta, GAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Atlanta Allergy And Asthma Pa125437200638

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. Lily Gem Hwang allows following entities to bill medicare on her behalf.
Entity NameAtlanta Allergy & Asthma Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598796195
PECOS PAC ID: 1254372006
Enrollment ID: O20050523000011

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. Lily Gem Hwang 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
Lily Gem Hwang, MD
5000 Riverview Rd,
Sandy Springs, GA 30327-4238

Ph: (312) 952-7720
Lily Gem Hwang, MD
1357 Hembree Rd Ste 200,
Roswell, GA 30076-5710

Ph: (770) 953-3331

Reviews and Comments


Allergy & Immunology Doctors in Roswell, GA

Michael S. Blaiss, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 1090 Windfaire Pl, Roswell, GA 30076
Phone: 901-674-6075    

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.