Karen L. O'Brien, ARNP-C, MSN, RN
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 3
- Year NPI issued
- 2009
- Practice address
- 171 Ashley Ave, Charleston, SC 29425
- Practice phone
- Call (843) 792-1414
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MUSC University Hospital
Charleston, South Carolina
Find Karen 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.
Karen L. O'Brien is a pediatric nurse practitioner in Charleston, South Carolina
Karen O'Brien practices at MUSC University Hospital in Charleston, South Carolina.
Karen O'Brien's NPI, 1518101674, was assigned on April 20, 2009. Karen O'Brien holds South Carolina license 21124.
- NPI
- 1518101674NPI Registry (opens in a new tab)
- NPI enumeration date
- April 20, 2009
- NPI status
- Active
- Practice phone
- (843) 792-1414
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Karen L. O'Brien practices at MUSC University Hospital in Charleston, South Carolina
Karen O'Brien's primary practice is MUSC University Hospital, at 171 Ashley Ave, Charleston, SC 29425 in Charleston County. The practice phone is (843) 792-1414.
- MUSC University Hospital171 Ashley Ave, Charleston, SC 29425 · Charleston CountyPhone(843) 792-1414
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Karen L. O'Brien is affiliated with 2 sites of care and 1 medical group
Karen O'Brien's primary practice is MUSC University Hospital in Charleston, South Carolina. The medical group on file is MUSC Health. Dmand AI also links Karen O'Brien to 1 more group practice or clinic, 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 Karen L. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Karen L. O'Brien is one of 206 pediatric nurse practitioners in South Carolina
Nurse practitioner is Karen O'Brien's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Dmand AI has Karen O'Brien's licenses on file in 3 states: South Carolina, Florida and New Jersey.
Specialties and state licenses
- Pediatric nurse practitioner, South CarolinaPrimary
- Florida license
- New Jersey license
Pediatric nurse practitioners near Karen O'Brien
Counts of pediatric 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
Karen L. O'Brien's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Karen O'Brien's median patient age at 8, with 51% women.
Karen 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 8
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Sources for Karen L. 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 | 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 patients and the all-payer patient panel | Dmand AI Patient Panel 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 Karen L. 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 Karen L. O'Brien's NPI number?
Karen L. O'Brien's NPI number is 1518101674. It was assigned on April 20, 2009, and it is active in the NPI Registry.
What does Karen L. O'Brien specialize in?
Karen L. O'Brien is a pediatric nurse practitioner in Charleston, South Carolina. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).
Where does Karen L. O'Brien practice?
Karen O'Brien practices at 171 Ashley Ave, Charleston, SC 29425. Karen O'Brien's primary practice is MUSC University Hospital in Charleston, South Carolina. Dmand AI also links Karen O'Brien to 1 group practice or clinic.
What is Karen L. O'Brien's office phone number?
The practice phone on file for Karen O'Brien is (843) 792-1414.
What is Karen L. O'Brien's medical license number?
Karen O'Brien holds South Carolina license 21124, one of the licenses on file in 3 states.
Which states has Karen L. O'Brien been licensed in?
Dmand AI has state licenses on file for Karen O'Brien in South Carolina, Florida and New Jersey.
What medical group is Karen L. O'Brien part of?
Karen O'Brien is linked to MUSC Health.
How long has Karen L. O'Brien been practicing?
Karen O'Brien's NPI was assigned in 2009.
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