Kathleen Mathieu, MD
Geriatric Medicine (Internal Medicine) Physician · Nashville, TN
Kathleen Mathieu, MD is a geriatric medicine (internal medicine) physician with a practice address in Nashville, Tennessee, and NPI 1275263840, issued on Jun 15, 2022. Check the license (Tennessee 77014, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Kathleen Mathieu
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 77014 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1301 Medical Center Dr, Nashville, TN 37232
- Phone
- (615) 322-5000
- Enumerated
- Jun 15, 2022
- Record last updated
- Jun 11, 2026
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 54 in Tennessee → Look up another NPI →
Also registered at 1301 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen Mathieu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 77014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
61 Medicare Part D claims for 31 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
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.
Kathleen Mathieu among 54 geriatric medicine (internal medicine) physician records in Tennessee
Kathleen Mathieu, MD is one of 54 geriatric medicine (internal medicine) physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2026 · 41% 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 Tennessee 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 Tennessee
There are 54 geriatric medicine (internal medicine) physician records in Tennessee.
All 54 in Tennessee → Every provider in Nashville → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Kimberly Beiting, MDNashville, TN 372321932561156
- Laura Dugan, M.D.Nashville, TN 372321518992940
- Maria Duggan, MDNashville, TN 372321982922878
- Anne Gifford, MDNashville, TN 372321558892034
- Parul Goyal, M.DNashville, TN 372321467660852
- Ralf Habermann, MDNashville, TN 372321750394060
- Kristin Hines, M.D.Nashville, TN 372321518311158
- Tara Horr, M.D.Nashville, TN 372321508182155
Common questions
What is Kathleen Mathieu, MD's NPI number?
Kathleen Mathieu, MD's National Provider Identifier (NPI) is 1275263840, issued on Jun 15, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Mathieu, MD located?
The NPPES record lists a practice address at 1301 Medical Center Dr, Nashville, TN, 37232. Phone: (615) 322-5000. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Mathieu, MD's license?
NPPES lists Tennessee license number 77014, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen Mathieu, MD prescribe under Medicare Part D?
In 2024, Kathleen Mathieu, MD had 61 Medicare Part D claims for 31 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.