Mark Lawrence Feldman, M.D.
Emergency Medicine Physician · Hudson, NH
Mark Lawrence Feldman, M.D. is an emergency medicine physician with a practice address in Hudson, New Hampshire, and NPI 1700115250, issued on Dec 11, 2009. Check the license (New Hampshire 8283, 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
- Mark Lawrence Feldman
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 8283 NH
Self-reported in NPPES; status is on the state search - Practice location
- 21 Par LN, Hudson, NH 03051
- Phone
- (603) 459-9057
- Enumerated
- Dec 11, 2009
- Record last updated
- Dec 11, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 351 in New Hampshire → Look up another NPI →
Verify Mark Lawrence Feldman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 8283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Lawrence Feldman among 351 emergency medicine physician records in New Hampshire
Mark Lawrence Feldman, M.D. is one of 351 emergency medicine physician records with a practice address in New Hampshire. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 40% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2009 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in New Hampshire
There are 351 emergency medicine physician records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 351 in New Hampshire → Every provider in Hudson → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Joseph Cardeiro, M.D.Nashua, NH 030601659470714
- John Chretien, M.D.Nashua, NH 030601841390556
- Richard Gilston, MDNashua, NH 030601255406088
- Peter Gould, DONashua, NH 030601083789812
- Elizabeth Karagosian, MDNashua, NH 030601912090267
- Robert Koch, M.D.Nashua, NH 030601891885174
- Norman Kossayda, MDNashua, NH 030601215958418
- Joseph Leahy, D.O.Nashua, NH 030601770671604
Common questions
What is Mark Lawrence Feldman, M.D.'s NPI number?
Mark Lawrence Feldman, M.D.'s National Provider Identifier (NPI) is 1700115250, issued on Dec 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Lawrence Feldman, M.D. located?
The NPPES record lists a practice address at 21 Par LN, Hudson, NH, 03051. Phone: (603) 459-9057. Providers update this record themselves, so call before visiting.
How can I verify Mark Lawrence Feldman, M.D.'s license?
NPPES lists New Hampshire license number 8283, 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.