Thomas D. Maher, M.D.
Internal Medicine Physician · Cary, NC
Thomas D. Maher, M.D. is an internal medicine physician with a practice address in Cary, North Carolina, and NPI 1689795270, issued on Apr 2, 2007. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas D. Maher
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 127236 NY
6037 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1020 Southhill Dr, Cary, NC 27513
- Phone
- (866) 906-1637
- Enumerated
- Apr 2, 2007
- Record last updated
- Apr 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (866) 588-0085
- Medicaid ID
- 00507144 NY
- Entity
- Type 1 · individual
Also registered at 1020 Southhill Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas D. Maher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
12 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
63 internal medicine physician records list a practice address in Cary
They are 63 of the 5,665 NPPES records with a practice address in Cary, and 4,056 internal medicine physician records in North Carolina.
All 63 in Cary → All 4,056 in North Carolina → Every provider in Cary →
Other internal medicine physician records in North Carolina
- Ana Abaroa-Salvatierra, M.D.Pollocksville, NC1598101750
- Naa Deisa Abbey, MDShelby, NC1467899294
- Stephen Abbott, D.O.Sanford, NC1013216282
- Rami Abdo, MDDurham, NC1184693160
- Farhath Abdul Kareem, MDCary, NC1679687347
- Firas Abdulmajeed, M.D.Winston Salem, NC1427358043
- Erlinda Abella, MDSalisbury, NC1649251505
- Bisrat AberaFayetteville, NC1871453886
- David Abernathy, M. D.Morganton, NC1265497366
- Maroun Aboutayeh, D.O.Asheville, NC1447757992
Common questions
What is Thomas D. Maher, M.D.'s NPI number?
Thomas D. Maher, M.D.'s National Provider Identifier (NPI) is 1689795270, issued on Apr 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thomas D. Maher, M.D. located?
The NPPES record lists a practice address at 1020 Southhill Dr, Cary, NC, 27513. Phone: (866) 906-1637. Providers update this record themselves, so call before visiting.
How can I verify Thomas D. Maher, M.D.'s license?
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 Thomas D. Maher, M.D. prescribe under Medicare Part D?
In 2024, Thomas D. Maher, M.D. had 12 Medicare Part D claims; 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.