Thomas P. Clairmont, MD
Internal Medicine Physician · Portsmouth, NH
Thomas P. Clairmont, MD is an internal medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1053415794, issued on Sep 12, 2006. Check the license (New Hampshire 6279, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Thomas P. Clairmont
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 6279 NH
Self-reported in NPPES; status is on the state search - Practice location
- 330 Borthwick Ave, Portsmouth, NH 03801
- Phone
- (603) 436-6115
- Enumerated
- Sep 12, 2006
- Record last updated
- Jan 27, 2022
- Fax
- (603) 433-5567
- Medicaid ID
- 3083599 NH
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 330 Borthwick Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brigette Brock, PA-CMedical Physician Assistant1871621185
- Daniel Brown, M.D.Pediatrics Physician1487742912
- Jaclyn Carter, PAPhysician Assistant1760041784
Verify Thomas P. Clairmont in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 6279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,915 Medicare Part D claims for 632 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 56 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium598 claims
- Amlodipine Besylate392 claims
- Atorvastatin Calcium390 claims
- Lisinopril384 claims
- Levothyroxine Sodium381 claims
- Metoprolol Succinate366 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.
Industry payments in 2024: $114.82
1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thomas P. Clairmont among 673 internal medicine physician records in New Hampshire
Thomas P. Clairmont, MD is one of 673 internal medicine physician records with a practice address in New Hampshire. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2022 · 53% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 internal medicine physician records list a practice address in Portsmouth
They are 37 of the 1,860 NPPES records with a practice address in Portsmouth, and 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in Portsmouth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jonathan Bridges, M.D.Newington, NH 038011083744510
- Daniel Davies, DOPortsmouth, NH 038011083683833
- Gary Fagin, M.D.Portsmouth, NH 038011376518886
- Diane Flamburis, MDPortsmouth, NH 038011851367387
- Mark Henschke, DONewington, NH 038011922092667
- Sunila Jo, MDPortsmouth, NH 038011740290097
- Paris Khavari, MDPortsmouth, NH 038011790889434
- David Legro, MDPortsmouth, NH 038011861579302
Common questions
What is Thomas P. Clairmont, MD's NPI number?
Thomas P. Clairmont, MD's National Provider Identifier (NPI) is 1053415794, issued on Sep 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas P. Clairmont, MD located?
The NPPES record lists a practice address at 330 Borthwick Ave, Portsmouth, NH, 03801. Phone: (603) 436-6115. Providers update this record themselves, so call before visiting.
How can I verify Thomas P. Clairmont, MD's license?
NPPES lists New Hampshire license number 6279, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas P. Clairmont, MD prescribe under Medicare Part D?
In 2024, Thomas P. Clairmont, MD had 7,915 Medicare Part D claims for 632 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.