Dr. Sabrina Gail O'Brien, MD
- Medicare services, 2024
- 18
- Medicare patients, 2024
- 15
- Part D claims, 2022
- 87
- Hospital affiliations
- 1
- Industry payments
- $9,616
- Practice address
- 145 Newcomb Avenue, Mount Vernon, KY 40456
- Practice phone
- Call (606) 256-2195
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. 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.
Dr. Sabrina Gail O'Brien is an internist in Mount Vernon, Kentucky
Dr. O'Brien practices at Rockcastle Regional Hospital and Respiratory Care Center in Mount Vernon, Kentucky, part of Rockcastle Regional Hospital and Respiratory Care Center.
Dr. O'Brien's NPI, 1699875013, was assigned on September 25, 2006. Dr. O'Brien graduated from University of Kentucky College of Medicine in 1995. Dr. O'Brien holds South Carolina license 18835.
- NPI
- 1699875013NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022059880
- NPI enumeration date
- September 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (606) 256-2195
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sabrina Gail O'Brien practices at Rockcastle Regional Hospital and Respiratory Care Center in Mount Vernon, Kentucky
Dr. O'Brien's primary practice is Rockcastle Regional Hospital and Respiratory Care Center, at 145 Newcomb Avenue, Mount Vernon, KY 40456 in Rockcastle County. The practice phone is (606) 256-2195.
- Rockcastle Regional Hospital and Respiratory Care Center145 Newcomb Avenue, Mount Vernon, KY 40456 · Rockcastle CountyPhone(606) 256-2195
Source: Dmand AI Affiliation Data
Dr. Sabrina Gail O'Brien is affiliated with 3 sites of care and 2 medical groups
Dr. O'Brien's primary practice is Rockcastle Regional Hospital and Respiratory Care Center in Mount Vernon, Kentucky, part of Rockcastle Regional Hospital and Respiratory Care Center. The medical group on file is SCP Health. Dmand AI also links Dr. O'Brien to 1 more dialysis center, 1 group practice or clinic and 1 medical group, 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. Sabrina Gail O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rockcastle Regional Hospital and Respiratory Care Center | Available with a free account |
| +2 more sites and 1 medical group | 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 Rockcastle Regional Hospital and Respiratory Care Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sabrina Gail O'Brien is one of 1,380 internists in Kentucky
Internal medicine is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Brien is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. O'Brien
Counts of internists 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. Sabrina Gail O'Brien billed Medicare for 18 services in 2024
CMS data shows 18 Medicare services from Dr. O'Brien across 1 procedure code in 2024, for 15 Medicare patients. Medicare paid $2,349 for them. Every service was in an office.
Dr. O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 02024: 18
- Office and hospital visits
- 2023: 202024: 0100%
Dr. O'Brien compared with the Kentucky median for internists, 2024
- Dr. O'Brien
- Kentucky median
- Medicare services
- 18vs 61397% below
- Medicare patients
- 15vs 22393% below
- Part D claims
- 87vs 36876% below
Medians across 1,380 internists in Kentucky with Dmand AI profiles that report each measure.
Dr. O'Brien'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Brien and other internists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sabrina Gail O'Brien treated 15 Medicare patients in 2024, average age 73
CMS counts 15 Medicare patients who saw Dr. O'Brien in 2024. 75% of them have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 69, with 73% women.
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 69
Patient panel by sex, all payers
- Women73%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sabrina Gail O'Brien wrote 87 Medicare Part D claims in 2022
In 2022, Dr. O'Brien wrote 87 Medicare Part D claims. They cover 5 drugs, with $650 in total drug cost. In 2021, CMS named 99 claims across 5 drugs.
Dr. O'Brien's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 992022: 8712%
Drugs named by CMS: 5 in 2022, 5 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Sabrina Gail O'Brien ranks in the 81st percentile for varicose vein removal in Medicare
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 83 procedures of varicose vein removal by Dr. O'Brien, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. O'Brien ranks in Medicare procedure volume
- Varicose vein removal
- 81st percentile83 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Sabrina Gail O'Brien received $9,616 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. O'Brien from 2 drug and device companies from 2024 to 2025. Device or supply loans make up the largest share, 100% of the total. AngioDynamics, Inc. paid the most, $9,600.
General payments to Dr. O'Brien by program year, 2024 to 2025
General payments to Dr. O'Brien by kind, 2024 to 2025
- Device or supply loans$9,600100%
- Food and beverage$160%
Companies that paid Dr. O'Brien the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sabrina Gail O'Brien graduated from University of Kentucky College of Medicine
Dr. O'Brien graduated from University of Kentucky College of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sabrina Gail 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 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) |
| 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) |
| 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. Sabrina Gail 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 Dr. Sabrina Gail O'Brien's NPI number?
Dr. Sabrina Gail O'Brien's NPI number is 1699875013. It was assigned on September 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sabrina Gail O'Brien?
Dr. Sabrina Gail O'Brien is an internist in Mount Vernon, Kentucky. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sabrina Gail O'Brien practice?
Dr. O'Brien practices at 145 Newcomb Avenue, Mount Vernon, KY 40456. Dr. O'Brien's primary practice is Rockcastle Regional Hospital and Respiratory Care Center in Mount Vernon, Kentucky, part of Rockcastle Regional Hospital and Respiratory Care Center. Dmand AI also links Dr. O'Brien to 1 dialysis center, 1 group practice or clinic and 1 medical group.
What is Dr. Sabrina Gail O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (606) 256-2195.
What is Dr. Sabrina Gail O'Brien's medical license number?
Dr. O'Brien holds South Carolina license 18835.
Which hospitals is Dr. Sabrina Gail O'Brien affiliated with?
Dr. O'Brien practices at Rockcastle Regional Hospital and Respiratory Care Center in Mount Vernon, Kentucky.
What medical group is Dr. Sabrina Gail O'Brien part of?
Dr. O'Brien is linked to SCP Health. Dmand AI links Dr. O'Brien to 1 more medical group.
Does Dr. Sabrina Gail O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 18 services in 2024, and Dr. O'Brien accepts Medicare assignment.
How many Medicare patients does Dr. Sabrina Gail O'Brien see?
CMS counts 15 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 73.
What services does Dr. Sabrina Gail O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were blood vessel study (93970).
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Where did Dr. Sabrina Gail O'Brien go to medical school?
Dr. O'Brien graduated from University of Kentucky College of Medicine in 1995.
What drugs does Dr. Sabrina Gail O'Brien prescribe most?
In 2022 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Sulfamethoxazole-Trimethoprim.
Has Dr. Sabrina Gail O'Brien received payments from drug or device companies?
CMS Open Payments shows $9,616 in general payments to Dr. O'Brien from 2 companies from 2024 to 2025. The largest total came from AngioDynamics, Inc.
How long has Dr. Sabrina Gail O'Brien been practicing?
Dr. O'Brien graduated from medical school in 1995, 31 years ago.
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