Charles Gregory Mardis, M.D.
Internal Medicine Physician · Atlanta, GA
Charles Gregory Mardis, M.D. is an internal medicine physician with a practice address in Atlanta, Georgia, and NPI 1487752911, issued on Sep 20, 2006. Check the license (Georgia 110089, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles Gregory Mardis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 110089 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1438 W Peachtree St NW, Atlanta, GA 30309
- Phone
- (470) 283-7349
- Enumerated
- Sep 20, 2006
- Record last updated
- Nov 20, 2025
- Fax
- (833) 689-2507
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 1438 W Peachtree St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karla Dunbar, M.D.Family Medicine Physician1780695809
- Shirley Eugene, D.O.Family Medicine Physician1891951349
- James Lackey, FNP-BCFamily Nurse Practitioner1205403151
- Santevia Moore, LCSWClinical Social Worker1205544376
Verify Charles Gregory Mardis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 110089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average internal medicine physician in 2024
3,209 Medicare Part D claims for 135 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Tivicay225 claims
- Descovy166 claims
- Atorvastatin Calcium143 claims
- Amlodipine Besylate135 claims
- Rosuvastatin Calcium121 claims
- Biktarvy87 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Charles Gregory Mardis among 3,911 internal medicine physician records in Georgia
Charles Gregory Mardis, M.D. is one of 3,911 internal medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
870 internal medicine physician records list a practice address in Atlanta
They are 870 of the 31,476 NPPES records with a practice address in Atlanta, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Atlanta → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ibrez Bandukwala, MDAtlanta, GA 303091720030109
- Indumathi Bendi, MDAtlanta, GA 303091508818147
- Mary Dampier, MDAtlanta, GA 303091841262896
- Paul Donnan, MDAtlanta, GA 303091255327680
- Chandra Ghosh, MDAtlanta, GA 303091578515060
- Andy Jaffal, MDAtlanta, GA 303091316927262
- Scott Kleber, MDAtlanta, GA 303091730131194
- Frieda Millhouse-Jones, MDAtlanta, GA 303091144272568
Common questions
What is Charles Gregory Mardis, M.D.'s NPI number?
Charles Gregory Mardis, M.D.'s National Provider Identifier (NPI) is 1487752911, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Gregory Mardis, M.D. located?
The NPPES record lists a practice address at 1438 W Peachtree St NW, Atlanta, GA, 30309. Phone: (470) 283-7349. Providers update this record themselves, so call before visiting.
How can I verify Charles Gregory Mardis, M.D.'s license?
NPPES lists Georgia license number 110089, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Gregory Mardis, M.D. prescribe under Medicare Part D?
In 2024, Charles Gregory Mardis, M.D. had 3,209 Medicare Part D claims for 135 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.