DR. CHARLES GREGORY MARDIS M.D.
NPI 1487752911
Internal Medicine in Atlanta, GA

Active since September 20, 2006PECOS Enrolled
1438 W PEACHTREE ST NW, ATLANTA, GA 30309(470) 283-7349(833) 689-2507 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 20, 2025, Nov 13, 2025, Jul 3, 2024 (3 updates tracked since 2024).

About Dr. Charles Gregory Mardis M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES GREGORY MARDIS M.D. (NPI 1487752911) is an individual internal medicine provider in Atlanta, Georgia, licensed in Georgia (110089) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487752911
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHARLES GREGORY MARDISCredential: M.D.
Location Address1438 W PEACHTREE ST NWAtlanta, GA 30309-2955
Mailing Address6255 W Sunset Blvd Fl 21Los Angeles, CA 90028-7422 · (323) 860-5200 · Fax (323) 467-7119
Fax(833) 689-2507
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateNovember 20, 20253 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
NPI 1487752911 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in GA · 110089
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1438 W PEACHTREE ST NW, Atlanta, GA 30309

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Charles Gregory Mardis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30309 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
1438 W PEACHTREE ST NW
ATLANTA, GA 30309
Social Worker (Clinical)
1438 W PEACHTREE ST NW
ATLANTA, GA 30309
Nurse Practitioner
1438 W PEACHTREE ST NW
ATLANTA, GA 30309
Nurse Practitioner (Women's Health)
1438 W PEACHTREE ST NW
ATLANTA, GA 30309
Nurse Practitioner (Family)
1438 W PEACHTREE ST NW
ATLANTA, GA 30309
Family Medicine
1438 W PEACHTREE ST NW
ATLANTA, GA 30309
Family Medicine
1438 W PEACHTREE ST NW
ATLANTA, GA 30309
Internal Medicine (Infectious Disease)
1438 W PEACHTREE ST NW
ATLANTA, GA 30309

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Mardis's NPI number?

The NPI number for Charles Mardis is 1487752911. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Charles Mardis located?

Charles Mardis practices at 1438 W Peachtree St NW, Atlanta, GA 30309. The listed phone number is (470) 283-7349.

What is Charles Mardis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Charles Mardis enrolled in Medicare?

Yes. Charles Mardis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Charles Mardis was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.