Claire Kathryn Larson, MD
Geriatric Medicine (Internal Medicine) Physician · Chapel Hill, NC
Claire Kathryn Larson, MD is a geriatric medicine (internal medicine) physician with a practice address in Chapel Hill, North Carolina, and NPI 1780974584, issued on Apr 13, 2011. Check the license (North Carolina 2018-00960, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Claire Kathryn Larson
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 2018-00960 NC
A123117 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5003 Old Clinic Bldg CB 7550, Chapel Hill, NC 27599
- Phone
- (919) 452-1462
- Enumerated
- Apr 13, 2011
- Record last updated
- Apr 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180803002512); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 157 in North Carolina → Look up another NPI →
Verify Claire Kathryn Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2018-00960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
5,961 Medicare Part D claims for 410 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium304 claims
- Amlodipine Besylate290 claims
- Eliquis231 claims
- Metoprolol Succinate226 claims
- Levothyroxine Sodium213 claims
- Losartan Potassium211 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 2 group practices
- Legacy Healthcare Services IncDurham, NC
- University OF North Carolina AT Chapel HillChapel Hill, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claire Kathryn Larson among 157 geriatric medicine (internal medicine) physician records in North Carolina
Claire Kathryn Larson, MD is one of 157 geriatric medicine (internal medicine) physician records with a practice address in North 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 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2011 · median 2006 among the 97 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in North Carolina
There are 157 geriatric medicine (internal medicine) physician records in North Carolina.
All 157 in North Carolina → Every provider in Chapel Hill → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Debra Bynum, MDChapel Hill, NC 275991548348543
- Nurum Erdem, MDChapel Hill, NC 275991114972585
- Mac Greganti, MDChapel Hill, NC 275991063587806
- Laura Hanson, MDChapel Hill, NC 275991992720262
- Terrence Holt, MDChapel Hill, NC 275991639241078
- Axalla Hoole, MDChapel Hill, NC 275991558316570
- John Kizer, MDChapel Hill, NC 275991952326233
- David Lynch, M.D.Chapel Hill, NC 275991184071797
Common questions
What is Claire Kathryn Larson, MD's NPI number?
Claire Kathryn Larson, MD's National Provider Identifier (NPI) is 1780974584, issued on Apr 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Claire Kathryn Larson, MD located?
The NPPES record lists a practice address at 5003 Old Clinic Bldg CB 7550, Chapel Hill, NC, 27599. Phone: (919) 452-1462. Providers update this record themselves, so call before visiting.
How can I verify Claire Kathryn Larson, MD's license?
NPPES lists North Carolina license number 2018-00960, 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 Claire Kathryn Larson, MD prescribe under Medicare Part D?
In 2024, Claire Kathryn Larson, MD had 5,961 Medicare Part D claims for 410 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.