Leslie Mark Reiner, M.D.
Internal Medicine Physician · Exeter, NH
Leslie Mark Reiner, M.D. is an internal medicine physician with a practice address in Exeter, New Hampshire, and NPI 1558381434, issued on Jul 20, 2006. Check the license (New Hampshire 5555, as entered in NPPES) on the New Hampshire Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Leslie Mark Reiner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5555 NH
Self-reported in NPPES; status is on the state search - Practice location
- 19 Hampton RD, Exeter, NH 03833
- Phone
- (603) 772-9371
- Enumerated
- Jul 20, 2006
- Record last updated
- Aug 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (603) 773-2377
- Medicaid ID
- 81114119 NH
- Entity
- Type 1 · individual
Also registered at 19 Hampton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leslie Mark Reiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 5555Check 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 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17 in Exeter → All 673 in New Hampshire → Every provider in Exeter →
Other internal medicine physician records in New Hampshire
- Lauren Abbott, MDPortsmouth, NH1619597234
- Moaz AbdelrehimManchester, NH1962064790
- Champa Abeysinghe, M.D.New London, NH1629257134
- Munder Abuaisha, MDManchester, NH1265926406
- Indira AcharyaLebanon, NH1407428600
- Lisa Adams, MDLebanon, NH1912225186
- Ogechi Agogbuo, MDNew London, NH1265007595
- Anardi Agosto, M.D.Keene, NH1487090700
- Asma Ahmed, MDNashua, NH1972788073
- Annie Airey, DOLaconia, NH1487395141
Common questions
What is Leslie Mark Reiner, M.D.'s NPI number?
Leslie Mark Reiner, M.D.'s National Provider Identifier (NPI) is 1558381434, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Mark Reiner, M.D. located?
The NPPES record lists a practice address at 19 Hampton RD, Exeter, NH, 03833. Phone: (603) 772-9371. Providers update this record themselves, so call before visiting.
How can I verify Leslie Mark Reiner, M.D.'s license?
NPPES lists New Hampshire license number 5555, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.