Colleen Therese O'Brien, DNP
- Medicare patients, 2024
- 597
- Part D claims, 2024
- 867
- Hospital affiliations
- 2
- Medical groups
- 3
- 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 Colleen O'Brien'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.
Colleen Therese O'Brien is a family nurse practitioner in Charleston, South Carolina
Colleen O'Brien practices at Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health.
Colleen O'Brien's NPI, 1801508148, was assigned on December 19, 2022. Colleen O'Brien holds South Carolina license 26846.
- NPI
- 1801508148NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305217290
- NPI enumeration date
- December 19, 2022
- 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
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Colleen Therese O'Brien practices at Roper Hospital in Charleston, South Carolina
Colleen O'Brien'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
Colleen Therese O'Brien is affiliated with 3 sites of care and 3 medical groups
Colleen O'Brien's primary practice is Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health. The medical group on file is Roper St. Francis Physician Partners General Surgery. Dmand AI also links Colleen O'Brien to 1 more hospital, 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 Colleen Therese O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Colleen O'Brien practices, 3 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 |
| +2 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.
Colleen Therese O'Brien is one of 3,438 family nurse practitioners in South Carolina
Family is Colleen O'Brien's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Colleen O'Brien is licensed in South Carolina.
Specialties and state licenses
- Family nurse practitioner, South CarolinaPrimary
Family nurse practitioners near Colleen O'Brien
Counts of family nurse practitioners 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
Colleen Therese O'Brien treated 597 Medicare patients in 2024, average age 75
CMS counts 597 Medicare patients who saw Colleen O'Brien in 2024. The largest group is 65 to 74, with 281 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 2% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Colleen O'Brien's median patient age at 61, with 62% women.
Colleen O'Brien's Medicare patients by age, 2024
Colleen O'Brien's Medicare patients by sex, 2024
- Women37463%
- Men22337%
Chronic conditions among Colleen O'Brien's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis56%
- Anxiety28%
- Ischemic heart disease28%
- Mood disorders27%
- Diabetes26%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Colleen O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Colleen Therese O'Brien wrote 867 Medicare Part D claims in 2024
In 2024, Colleen O'Brien wrote 867 Medicare Part D claims for 462 patients. 90% of them were for generic drugs.
Colleen O'Brien's Part D claims by kind of drug, 2024
- Generic777 claims90%
- Brand-name and other90 claims10%
Drug classes CMS tracks in Colleen O'Brien's Part D claims, 2024
- Antibiotics28%247 of 867 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Colleen Therese O'Brien takes part in Medicare
Colleen O'Brien 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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Sources for Colleen Therese O'Brien'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 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) |
| 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 Colleen Therese O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Colleen Therese O'Brien's NPI number?
Colleen Therese O'Brien's NPI number is 1801508148. It was assigned on December 19, 2022, and it is active in the NPI Registry.
What does Colleen Therese O'Brien specialize in?
Colleen Therese O'Brien is a family nurse practitioner in Charleston, South Carolina. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Colleen Therese O'Brien practice?
Colleen O'Brien practices at 316 Calhoun St, Charleston, SC 29401. Colleen O'Brien's primary practice is Roper Hospital in Charleston, South Carolina, part of Bon Secours Mercy Health. Dmand AI also links Colleen O'Brien to 1 hospital, 2 medical groups and 1 clinical lab.
What is Colleen Therese O'Brien's office phone number?
The practice phone on file for Colleen O'Brien is (843) 724-2800.
What is Colleen Therese O'Brien's medical license number?
Colleen O'Brien holds South Carolina license 26846.
Which hospitals is Colleen Therese O'Brien affiliated with?
Colleen O'Brien practices at Roper Hospital in Charleston, South Carolina. Dmand AI links Colleen O'Brien to 1 more hospital.
What medical group is Colleen Therese O'Brien part of?
Colleen O'Brien is linked to Roper St. Francis Physician Partners General Surgery. Dmand AI links Colleen O'Brien to 2 more medical groups.
Does Colleen Therese O'Brien accept Medicare?
Yes. CMS lists Colleen O'Brien as accepting Medicare assignment.
How many Medicare patients does Colleen Therese O'Brien see?
CMS counts 597 Medicare patients who saw Colleen O'Brien in 2024, with an average age of 75.
How long has Colleen Therese O'Brien been practicing?
Colleen O'Brien graduated from medical school in 2022, 4 years ago.
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