Brian Thomas Klausner, M.D.
Internal Medicine Physician · Raleigh, NC
Brian Thomas Klausner, M.D. is an internal medicine physician with a practice address in Raleigh, North Carolina, and NPI 1548450638, issued on Jul 26, 2007. Check the license (North Carolina 2011-01460, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brian Thomas Klausner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2011-01460 NC
232368 MA
Self-reported in NPPES; status is on the state search - Practice location
- 150 E Davie Street, Raleigh, NC 27601
- Phone
- (919) 834-5299
- Enumerated
- Jul 26, 2007
- Record last updated
- Nov 30, 2022
- Fax
- (919) 834-5911
- Medicaid ID
- 1548450638 NC
- Medicare enrollment
- Enrolled (PECOS I20111019000339); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Verify Brian Thomas Klausner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2011-01460Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
891 Medicare Part D claims for 60 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium70 claims
- Amlodipine Besylate44 claims
- Albuterol Sulfate Hfa34 claims
- Losartan Potassium32 claims
- Simvastatin25 claims
- Trazodone Hcl23 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
- Wake Specialty Physicians LLCRaleigh, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Thomas Klausner among 4,056 internal medicine physician records in North Carolina
Brian Thomas Klausner, M.D. is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 43% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2003 · median 2004 among the 2,706 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
315 internal medicine physician records list a practice address in Raleigh
They are 315 of the 16,309 NPPES records with a practice address in Raleigh, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Raleigh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marie Debnam, MDRaleigh, NC 276011205965068
- John Emery, M.D.Raleigh, NC 276011194798793
- Benjamin Fischer, MDRaleigh, NC 276011831179282
- Lori Meyerhoffer, M.D.Raleigh, NC 276011588642037
- Aswani Naidu, M.DRaleigh, NC 276011063413508
- Gamal Tadros, M.D.Raleigh, NC 276011760462402
- Obinnaya Umesi, M.D.Raleigh, NC 276021578618138
- Doris Akolbire, MDChapel Hill, NC 275991952045213
Common questions
What is Brian Thomas Klausner, M.D.'s NPI number?
Brian Thomas Klausner, M.D.'s National Provider Identifier (NPI) is 1548450638, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brian Thomas Klausner, M.D. located?
The NPPES record lists a practice address at 150 E Davie Street, Raleigh, NC, 27601. Phone: (919) 834-5299. Providers update this record themselves, so call before visiting.
How can I verify Brian Thomas Klausner, M.D.'s license?
NPPES lists North Carolina license number 2011-01460, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Thomas Klausner, M.D. prescribe under Medicare Part D?
In 2024, Brian Thomas Klausner, M.D. had 891 Medicare Part D claims for 60 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.