Gregory Paul Seymour, M.D.
Dermatology Physician · Keene, NH
Gregory Paul Seymour, M.D. is a dermatology physician with a practice address in Keene, New Hampshire, and NPI 1851316152, issued on Jul 13, 2006. Check the license (New Hampshire 10542, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Gregory Paul Seymour
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 10542 NH
Self-reported in NPPES; status is on the state search - Practice location
- 590 Court St, Keene, NH 03431
- Phone
- (603) 354-5454
- Enumerated
- Jul 13, 2006
- Record last updated
- Mar 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 3074344 NH
- Medicare enrollment
- Enrolled (PECOS I20051227000557); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 89 in New Hampshire → Look up another NPI →
Also registered at 590 Court St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Anderson, M.D.Critical Care Medicine (Anesthesiology) Physician1790927168
- William Argie, PA-CMedical Physician Assistant1265519946
- Jeremy Arnold, M.D.Emergency Medicine Physician1174784557
- Payson Ayer-Dufner, PA-CPhysician Assistant1124424379
- Everett Bacon, MDEmergency Medicine Physician1669827143
- Samantha BarryFamily Nurse Practitioner1568004307
Verify Gregory Paul Seymour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 10542Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average dermatology physician in 2024
933 Medicare Part D claims for 360 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Triamcinolone Acetonide129 claims
- Doxycycline Hyclate88 claims
- Betamethasone Diprop Augmented69 claims
- Metronidazole52 claims
- Valacyclovir47 claims
- Fluocinonide45 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 hospital affiliations
- Cheshire Medical CenterKeene, NH · Acute Care Hospitals4 of 5 stars
- Mary Hitchcock Memorial HospitalKeene, NH · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gregory Paul Seymour among 89 dermatology physician records in New Hampshire
Gregory Paul Seymour, M.D. is one of 89 dermatology physician records with a practice address in New Hampshire. 84% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 56% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1995 · median 2007 among the 64 with a school on file
- Record last updated2017 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in New Hampshire
There are 89 dermatology physician records in New Hampshire.
All 89 in New Hampshire → Every provider in Keene → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Mahin Alamgir, MDKeene, NH 034311619351897
- Ashley Group, MDKeene, NH 034311558528406
- Robert Guardiano, D.O.Keene, NH 034311568435386
- David Horne, MDKeene, NH 034311568442093
- Jorge Crespo, MDChesterfield, NH 034431881633568
- Andrea Pearson, MDNelson, NH 034571841440112
- Ebaa Alawami, MDConcord, NH 033011477707164
- Alexandra Charos, MDConcord, NH 033011982099792
Common questions
What is Gregory Paul Seymour, M.D.'s NPI number?
Gregory Paul Seymour, M.D.'s National Provider Identifier (NPI) is 1851316152, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Paul Seymour, M.D. located?
The NPPES record lists a practice address at 590 Court St, Keene, NH, 03431. Phone: (603) 354-5454. Providers update this record themselves, so call before visiting.
How can I verify Gregory Paul Seymour, M.D.'s license?
NPPES lists New Hampshire license number 10542, 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 Gregory Paul Seymour, M.D. prescribe under Medicare Part D?
In 2024, Gregory Paul Seymour, M.D. had 933 Medicare Part D claims for 360 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Gregory Paul Seymour, M.D.'s MIPS final score?
The 2023 MIPS final score is 76 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.