Dr. Charles Preston Stewart III, MD
- Medicare services, 2024
- 23,167
- Medicare patients, 2024
- 860
- Part D claims, 2024
- 3,184
- MIPS score, 2024
- 92
- Hospital affiliations
- 2
- Practice address
- 3280 Howell Mill NW Rd, Atlanta, GA 30327
- Practice phone
- Call (404) 603-3543
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Digestive Healthcare of Georgia Endoscopy Center Mountainside
Atlanta, Georgia
Find Dr. Stewart's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Charles Preston Stewart III is a gastroenterologist in Atlanta, Georgia
Dr. Stewart practices at Digestive Healthcare of Georgia Endoscopy Center Mountainside in Atlanta, Georgia.
Dr. Stewart's NPI, 1629072210, was assigned on June 10, 2005. Dr. Stewart graduated from Emory University School of Medicine in 1998. Dr. Stewart holds Georgia license 054037.
- NPI
- 1629072210NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789671686
- NPI enumeration date
- June 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (404) 603-3543
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles Preston Stewart III practices at Digestive Healthcare of Georgia Endoscopy Center Mountainside in Atlanta, Georgia
Dr. Stewart's primary practice is Digestive Healthcare of Georgia Endoscopy Center Mountainside, at 3280 Howell Mill NW Rd, Atlanta, GA 30327 in Fulton County. The practice phone is (404) 603-3543.
- Digestive Healthcare of Georgia Endoscopy Center Mountainside3280 Howell Mill NW Rd, Atlanta, GA 30327 · Fulton CountyPhone(404) 603-3543
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charles Preston Stewart III is affiliated with 4 sites of care and 1 medical group
Dr. Stewart's primary practice is Digestive Healthcare of Georgia Endoscopy Center Mountainside in Atlanta, Georgia. Dr. Stewart is also affiliated with Piedmont Atlanta. The medical group on file is Digestive Healthcare of Georgia. Dmand AI also links Dr. Stewart to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Charles Preston Stewart III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Digestive Healthcare of Georgia Endoscopy Center Mountainside | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles Preston Stewart III is one of 503 gastroenterologists in Georgia
Gastroenterology is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Stewart is licensed in Georgia.
Specialties and state licenses
- Gastroenterology, GeorgiaPrimary
Gastroenterologists near Dr. Stewart
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Charles Preston Stewart III billed Medicare for 23,167 services in 2024
CMS data shows 23,167 Medicare services from Dr. Stewart across 22 procedure codes in 2024, for 860 Medicare patients. Medicare paid $557,574 for them.
Dr. Stewart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 632024: 20,70032757%
- Office and hospital visits
- 2023: 8062024: 8789%
- Lab and pathology
- 2023: 6462024: 86734%
- Surgery
- 2023: 5072024: 5325%
- Tests and treatments
- 2023: 652024: 12186%
- Other services
- 2023: 652024: 696%
Where Dr. Stewart's Medicare services took place, 2024
- In an office22,44497%
- In a facility7233%
Dr. Stewart compared with the Georgia median for gastroenterologists, 2024
- Dr. Stewart
- Georgia median
- Medicare services
- 23,167vs 49446.9 times
- Medicare patients
- 860vs 2972.9 times
- Part D claims
- 2,910vs 5035.8 times
Medians across 499 gastroenterologists in Georgia with Dmand AI profiles that report each measure.
Dr. Stewart's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles Preston Stewart III treated 860 Medicare patients in 2024, average age 74
CMS counts 860 Medicare patients who saw Dr. Stewart in 2024. The largest group is 65 to 74, with 432 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 62, with 55% women.
Dr. Stewart's Medicare patients by age, 2024
Dr. Stewart's Medicare patients by sex, 2024
- Women51960%
- Men34140%
Chronic conditions among Dr. Stewart's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis49%
- Ischemic heart disease35%
- Chronic kidney disease22%
- Diabetes21%
- Anxiety20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stewart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles Preston Stewart III wrote 3,184 Medicare Part D claims in 2024
In 2024, Dr. Stewart wrote 3,184 Medicare Part D claims for 857 patients. 81% of them were for generic drugs. CMS names the drug for 2,910 of them, across 42 drugs with 11 or more claims each, at $1,954,652 in total drug cost. In 2023, CMS named 3,047 claims across 50 drugs.
Dr. Stewart's Part D claims by kind of drug, 2024
- Generic2,572 claims81%
- Brand-name612 claims19%
Dr. Stewart's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Stewart's Part D claims, 2024
- Opioids1%19 of 3,184 claims
- Antibiotics3%96 of 3,184 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,0472024: 2,9104%
Drugs named by CMS: 42 in 2024, 50 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Charles Preston Stewart III scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Stewart for performance year 2024, reported through an alternative payment model (APM). Dr. Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stewart as offering telehealth. CMS counts 210 procedures of colonoscopy by Dr. Stewart, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Stewart's MIPS scores, performance year 2024
- 92of 100Final score
- 83.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Stewart ranks in Medicare procedure volume
- Colonoscopy
- 94th percentile210 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 91st percentile210 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charles Preston Stewart III received $4,617 in industry payments from 2016 to 2025
CMS Open Payments shows 267 general payments to Dr. Stewart from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,675.
General payments to Dr. Stewart by program year, 2016 to 2025
General payments to Dr. Stewart by kind, 2016 to 2025
- Food and beverage$4,55099%
- Education$491%
- Gifts$170%
Companies that paid Dr. Stewart the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles Preston Stewart III graduated from Emory University School of Medicine
Dr. Stewart graduated from Emory University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles Preston Stewart III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Charles Preston Stewart III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Charles Preston Stewart III's NPI number?
Dr. Charles Preston Stewart III's NPI number is 1629072210. It was assigned on June 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Preston Stewart III?
Dr. Charles Preston Stewart III is a gastroenterologist in Atlanta, Georgia. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Charles Preston Stewart III practice?
Dr. Stewart practices at 3280 Howell Mill NW Rd, Atlanta, GA 30327. Dr. Stewart's primary practice is Digestive Healthcare of Georgia Endoscopy Center Mountainside in Atlanta, Georgia. Dmand AI also links Dr. Stewart to 1 hospital and 1 group practice or clinic.
What is Dr. Charles Preston Stewart III's office phone number?
The practice phone on file for Dr. Stewart is (404) 603-3543.
What is Dr. Charles Preston Stewart III's medical license number?
Dr. Stewart holds Georgia license 054037.
Which hospitals is Dr. Charles Preston Stewart III affiliated with?
Dr. Stewart is affiliated with Piedmont Atlanta. Dmand AI links Dr. Stewart to 1 more hospital.
What medical group is Dr. Charles Preston Stewart III part of?
Dr. Stewart is linked to Digestive Healthcare of Georgia.
Does Dr. Charles Preston Stewart III accept Medicare?
Yes. CMS data shows Dr. Stewart billed Medicare for 23,167 services in 2024, and Dr. Stewart accepts Medicare assignment.
Does Dr. Charles Preston Stewart III offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Stewart as offering telehealth services.
What is Dr. Charles Preston Stewart III's MIPS score?
Dr. Stewart's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Charles Preston Stewart III see?
CMS counts 860 Medicare patients who saw Dr. Stewart in 2024, with an average age of 74.
What services does Dr. Charles Preston Stewart III bill to Medicare?
In 2024, Dr. Stewart's most billed Medicare services were injected or infused drug (J3380), lab and pathology test (88305) and office visit, established patient (99214).
Where did Dr. Charles Preston Stewart III go to medical school?
Dr. Stewart graduated from Emory University School of Medicine in 1998.
What drugs does Dr. Charles Preston Stewart III prescribe most?
In 2024 Medicare Part D data, Dr. Stewart's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Sod Sulf-Potass Sulf-Mag Sulf.
Has Dr. Charles Preston Stewart III received payments from drug or device companies?
CMS Open Payments shows $4,617 in general payments to Dr. Stewart from 30 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Charles Preston Stewart III been practicing?
Dr. Stewart graduated from medical school in 1998, 28 years ago.
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