Dr. James Bertrand O'Bryan, MD
- Part D claims, 2024
- 42
- Hospital affiliations
- 3
- Industry payments
- $307
- Medical group
- 1
- State license
- 1
- 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. O'Bryan'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. James Bertrand O'Bryan is a hematologist and oncologist in Charleston, South Carolina
Dr. O'Bryan practices at Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health.
Dr. O'Bryan's NPI, 1023696176, was assigned on March 31, 2021. Dr. O'Bryan graduated from Virginia Commonwealth University, School of Medicine in 2021. Dr. O'Bryan holds South Carolina license LL92220.
- NPI
- 1023696176NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749703338
- NPI enumeration date
- March 31, 2021
- 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
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Bertrand O'Bryan practices at Roper Hospital in Charleston, South Carolina
Dr. O'Bryan'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. James Bertrand O'Bryan is affiliated with 5 sites of care and 1 medical group
Dr. O'Bryan's primary practice is Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health. Dr. O'Bryan is also affiliated with Bon Secours St. Francis Hospital. The medical group on file is 24ON Physicians of SC, LLC. Dmand AI also links Dr. O'Bryan to 1 more hospital, 1 clinical lab and 1 group practice or clinic, 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. James Bertrand O'Bryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Bryan practices, 5 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 |
| +4 more affiliated sites | 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. James Bertrand O'Bryan is one of 157 hematologists and oncologists in South Carolina
Hematology and oncology is Dr. O'Bryan's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. O'Bryan is licensed in South Carolina.
Specialties and state licenses
- Hematology and oncology, South CarolinaPrimary
Hematologists and oncologists near Dr. O'Bryan
Counts of hematologists and oncologists 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. James Bertrand O'Bryan's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. O'Bryan's median patient age at 72, with 49% women.
Dr. O'Bryan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. James Bertrand O'Bryan wrote 42 Medicare Part D claims in 2024
In 2024, Dr. O'Bryan wrote 42 Medicare Part D claims for 23 patients. 86% of them were for generic drugs.
Dr. O'Bryan's Part D claims by kind of drug, 2024
- Generic36 claims86%
- Brand-name and other6 claims14%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. James Bertrand O'Bryan takes part in Medicare
Dr. O'Bryan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James Bertrand O'Bryan received $307 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dr. O'Bryan from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $124.
Companies that paid Dr. O'Bryan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Bertrand O'Bryan graduated from Virginia Commonwealth University, School of Medicine
Dr. O'Bryan graduated from Virginia Commonwealth University, School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Bertrand O'Bryan'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. James Bertrand O'Bryan
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. James Bertrand O'Bryan's NPI number?
Dr. James Bertrand O'Bryan's NPI number is 1023696176. It was assigned on March 31, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. James Bertrand O'Bryan?
Dr. James Bertrand O'Bryan is a hematologist and oncologist in Charleston, South Carolina. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. James Bertrand O'Bryan practice?
Dr. O'Bryan practices at 316 Calhoun St, Charleston, SC 29401. Dr. O'Bryan's primary practice is Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health. Dmand AI also links Dr. O'Bryan to 1 hospital, 1 clinical lab and 1 group practice or clinic.
What is Dr. James Bertrand O'Bryan's office phone number?
The practice phone on file for Dr. O'Bryan is (843) 724-2800.
What is Dr. James Bertrand O'Bryan's medical license number?
Dr. O'Bryan holds South Carolina license LL92220.
Which hospitals is Dr. James Bertrand O'Bryan affiliated with?
Dr. O'Bryan practices at Roper Hospital in Charleston, South Carolina. Dr. O'Bryan is also affiliated with Bon Secours St. Francis Hospital. Dmand AI links Dr. O'Bryan to 1 more hospital.
What medical group is Dr. James Bertrand O'Bryan part of?
Dr. O'Bryan is linked to 24ON Physicians of SC, LLC.
Does Dr. James Bertrand O'Bryan accept Medicare?
Yes. CMS lists Dr. O'Bryan as accepting Medicare assignment.
Where did Dr. James Bertrand O'Bryan go to medical school?
Dr. O'Bryan graduated from Virginia Commonwealth University, School of Medicine in 2021.
Has Dr. James Bertrand O'Bryan received payments from drug or device companies?
CMS Open Payments shows $307 in general payments to Dr. O'Bryan from 4 companies from 2025 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. James Bertrand O'Bryan been practicing?
Dr. O'Bryan graduated from medical school in 2021, 5 years ago.
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