Karey L. Breen, M.D.
Family Medicine Physician · North Charleston, SC
Karey L. Breen, M.D. is a family medicine physician with a practice address in North Charleston, South Carolina, and NPI 1154582047, issued on Jun 23, 2008. Check the license (South Carolina 37543, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karey L. Breen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 37543 SC
ME110236 FL
Self-reported in NPPES; status is on the state search - Practice location
- 5880 Rivers Ave, North Charleston, SC 29406
- Phone
- (843) 225-2374
- Enumerated
- Jun 23, 2008
- Record last updated
- May 3, 2022
- Fax
- (843) 459-1923
- Medicare enrollment
- Enrolled (PECOS I20150127002052); accepts Medicare assignment
- Medical or professional school
- University Of North Dakota School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,700 in South Carolina → Look up another NPI →
Also registered at 5880 Rivers Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Borkert, PAPhysician Assistant1043509144
- Portia BrooksOther Technician1679943419
- Wakesha Evans, PA-CMedical Physician Assistant1952585564
- Claire Kirkpatrick, PA-CMedical Physician Assistant1699000471
Verify Karey L. Breen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 37543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average family medicine physician in 2024
1,056 Medicare Part D claims for 286 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 14 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass72 claims
- Atorvastatin Calcium50 claims
- Amlodipine Besylate44 claims
- Losartan Potassium33 claims
- Azithromycin30 claims
- Levothyroxine Sodium29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Premier Medical OF SC LLCCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karey L. Breen among 2,700 family medicine physician records in South Carolina
Karey L. Breen, M.D. is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2004 · median 2006 among the 1,638 with a school on file
- Record last updated2022 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 family medicine physician records list a practice address in North Charleston
They are 44 of the 1,964 NPPES records with a practice address in North Charleston, and 2,700 family medicine physician records in South Carolina.
All 2,700 in South Carolina → Every provider in North Charleston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas Arnau, M.D.Charleston, SC 294061477510022
- Thomas Bolt, MDN Charleston, SC 294061639136377
- Steven Bull, MDNorth Charleston, SC 294061356327167
- George Clark, D.O.North Charleston, SC 294061013914126
- Leonard Douglas, M.D.N Charleston, SC 294061508835737
- George Gaspar, MDNorth Charleston, SC 294061952388118
- Robert Hetz, DONorth Charleston, SC 294061831175165
- Terry Johnson, MDNorth Charleston, SC 294061730167651
Common questions
What is Karey L. Breen, M.D.'s NPI number?
Karey L. Breen, M.D.'s National Provider Identifier (NPI) is 1154582047, issued on Jun 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Karey L. Breen, M.D. located?
The NPPES record lists a practice address at 5880 Rivers Ave, North Charleston, SC, 29406. Phone: (843) 225-2374. Providers update this record themselves, so call before visiting.
How can I verify Karey L. Breen, M.D.'s license?
NPPES lists South Carolina license number 37543, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karey L. Breen, M.D. prescribe under Medicare Part D?
In 2024, Karey L. Breen, M.D. had 1,056 Medicare Part D claims for 286 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.