Sean T. Keesee, MD
Internal Medicine Physician · Exeter, NH
Sean T. Keesee, MD is an internal medicine physician with a practice address in Exeter, New Hampshire, and NPI 1003907098, issued on Sep 27, 2006. Check the license (New Hampshire 18838, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Sean T. Keesee
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 18838 NH
21815 WV
Self-reported in NPPES; status is on the state search - Practice location
- 5 Alumni Dr FL 2, Exeter, NH 03833
- Phone
- (603) 580-7525
- Enumerated
- Sep 27, 2006
- Record last updated
- Jul 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (603) 580-7542
- Medicaid IDs
- 3112693 NH
3810002628 WV - Medicare enrollment
- Enrolled (PECOS I20050601000004); may accept Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 5 Alumni Dr FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samira Ashour-Arnold, NPNurse Practitioner1659548915
- Joseph Bautista, MDHospitalist Physician1457559544
- Alison Brennan, M.D.Hospitalist Physician1538199898
- Luke Brindamour, M.D.Hospitalist Physician1205217403
- Francis Bruskey, DOHospitalist Physician1376906263
- Megan Clark, DOInternal Medicine Physician1376580985
Verify Sean T. Keesee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 18838Check 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
11 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.
Bills Medicare through 2 group practices
- Camc Greenbrier Valley Medical Center IncRonceverte, WV
- Foundation Medical Partners IncNashua, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean T. Keesee among 673 internal medicine physician records in New Hampshire
Sean T. Keesee, 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 fileYes · 66% of these records are
- Graduated2002 · median 2005 among the 443 with a school on file
- Record last updated2018 · 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).
17 internal medicine physician records list a practice address in Exeter
They are 17 of the 704 NPPES records with a practice address in Exeter, and 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in Exeter → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Megan Clark, DOExeter, NH 038331376580985
- Ralph Falk, MDHampton, NH 038331821047333
- Russell Kaphan, MDExeter, NH 038331942313135
- Kathleen Kelly, MDExeter, NH 038331811947989
- Melanie Lanier, DOExeter, NH 038331447209580
- Elizabeth Lynch, MDExeter, NH 038331508829078
- John Maull, MDExeter, NH 038331760459150
- Claudia McQueen, MDExeter, NH 038331760403968
Common questions
What is Sean T. Keesee, MD's NPI number?
Sean T. Keesee, MD's National Provider Identifier (NPI) is 1003907098, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sean T. Keesee, MD located?
The NPPES record lists a practice address at 5 Alumni Dr FL 2, Exeter, NH, 03833. Phone: (603) 580-7525. Providers update this record themselves, so call before visiting.
How can I verify Sean T. Keesee, MD's license?
NPPES lists New Hampshire license number 18838, 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 Sean T. Keesee, MD prescribe under Medicare Part D?
In 2024, Sean T. Keesee, MD had 11 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.