Dr. Gregory David Stewart, DO
- Medicare services, 2023
- 71
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 21
- Hospital affiliations
- 5
- Industry payments
- $837
- Practice address
- 316 Calhoun St, Charleston, SC 29401
- Practice phone
- Call (843) 724-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Gregory David Stewart is a general surgeon in Charleston, South Carolina
Dr. Stewart practices at Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health.
Dr. Stewart's NPI, 1174051478, was assigned on May 31, 2017. Dr. Stewart holds South Carolina license 93569.
- NPI
- 1174051478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284003153
- NPI enumeration date
- May 31, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 724-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory David Stewart practices at Roper Hospital in Charleston, South Carolina
Dr. Stewart's primary practice is Roper Hospital, at 316 Calhoun St, Charleston, SC 29401 in Charleston County. The practice phone is (843) 724-2800.
- Roper Hospital316 Calhoun St, Charleston, SC 29401 · Charleston CountyPhone(843) 724-2800
Source: Dmand AI Affiliation Data
Dr. Gregory David Stewart is affiliated with 8 sites of care and 3 medical groups
Dr. Stewart's primary practice is Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health. Dr. Stewart is also affiliated with Bon Secours St. Francis Hospital. The medical group on file is Roper St. Francis Physician Partners General Surgery. Dmand AI also links Dr. Stewart to 3 more hospitals, 2 group practices and clinics, 2 medical groups and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory David Stewart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roper Hospital | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory David Stewart is one of 506 general surgeons in South Carolina
Surgery is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Stewart's licenses on file in 2 states: South Carolina and Washington.
Specialties and state licenses
- Surgery, South CarolinaPrimary
- Washington license
General surgeons near Dr. Stewart
Counts of general surgeons 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. Gregory David Stewart billed Medicare for 71 services in 2023
CMS data shows 71 Medicare services from Dr. Stewart across 2 procedure codes in 2023, for 20 Medicare patients. Medicare paid $5,530 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Stewart compared with the South Carolina median for general surgeons, 2023
- Dr. Stewart
- South Carolina median
- Medicare services
- 71vs 26573% below
- Medicare patients
- 20vs 17889% below
Medians across 500 general surgeons in South Carolina with Dmand AI profiles that report each measure.
Dr. Stewart's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Stewart?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stewart and other general surgeons in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory David Stewart treated 20 Medicare patients in 2024, average age 81
CMS counts 20 Medicare patients who saw Dr. Stewart in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 60, with 57% women.
Dr. Stewart's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Stewart's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
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 60
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory David Stewart wrote 21 Medicare Part D claims in 2024
In 2024, Dr. Stewart wrote 21 Medicare Part D claims for 15 patients. 95% of them were for generic drugs.
Dr. Stewart's Part D claims by kind of drug, 2024
- Generic20 claims95%
- Brand-name and other1 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory David Stewart takes part in Medicare
Dr. Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gregory David Stewart received $837 in industry payments from 2022 to 2025
CMS Open Payments shows 11 general payments to Dr. Stewart from 5 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $397.
General payments to Dr. Stewart by program year, 2022 to 2025
Companies that paid Dr. Stewart the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory David Stewart'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 (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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Gregory David Stewart
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. Gregory David Stewart's NPI number?
Dr. Gregory David Stewart's NPI number is 1174051478. It was assigned on May 31, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory David Stewart?
Dr. Gregory David Stewart is a general surgeon in Charleston, South Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Gregory David Stewart practice?
Dr. Stewart practices at 316 Calhoun St, Charleston, SC 29401. Dr. Stewart's primary practice is Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health. Dmand AI also links Dr. Stewart to 3 hospitals, 2 group practices and clinics, 2 medical groups and 1 clinical lab.
What is Dr. Gregory David Stewart's office phone number?
The practice phone on file for Dr. Stewart is (843) 724-2800.
What is Dr. Gregory David Stewart's medical license number?
Dr. Stewart holds South Carolina license 93569, one of the licenses on file in 2 states.
Which states has Dr. Gregory David Stewart been licensed in?
Dmand AI has state licenses on file for Dr. Stewart in South Carolina and Washington.
Which hospitals is Dr. Gregory David Stewart affiliated with?
Dr. Stewart practices at Roper Hospital in Charleston, South Carolina. Dr. Stewart is also affiliated with Bon Secours St. Francis Hospital. Dmand AI links Dr. Stewart to 3 more hospitals.
What medical group is Dr. Gregory David Stewart part of?
Dr. Stewart is linked to Roper St. Francis Physician Partners General Surgery. Dmand AI links Dr. Stewart to 2 more medical groups.
Does Dr. Gregory David Stewart accept Medicare?
Yes. CMS data shows Dr. Stewart billed Medicare for 71 services in 2023, and Dr. Stewart accepts Medicare assignment.
How many Medicare patients does Dr. Gregory David Stewart see?
CMS counts 20 Medicare patients who saw Dr. Stewart in 2024, with an average age of 81.
Show 3 more questionsShow fewer questions
What services does Dr. Gregory David Stewart bill to Medicare?
In 2023, Dr. Stewart's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
Has Dr. Gregory David Stewart received payments from drug or device companies?
CMS Open Payments shows $837 in general payments to Dr. Stewart from 5 companies from 2022 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Gregory David Stewart been practicing?
Dr. Stewart graduated from medical school in 2017, 9 years ago.
Selling to surgery practices?
See general surgeons in South Carolina by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card