Individual Healthcare Provider
Matthew P Warden, M.D.
Provider's NPPES record last updated: March 23, 2012
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1528083250
- Primary Specialty
- Emergency Medicine — Emergency Medical Services
- Practice Location
- Concord, New Hampshire
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 4:11 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Emergency Medicine
Emergency Medical Services
Allopathic & Osteopathic Physicians
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
Taxonomy code 207PE0004X Emergency Medicine
Undersea and Hyperbaric Medicine
Allopathic & Osteopathic Physicians
A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns, and bone infections. This specialist also serves as a consultant to other physicians in all aspects of hyperbaric chamber operations, and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.
Taxonomy code 207PE0005X
Provider-Reported License Information
- Emergency Medicine (New Hampshire)
- 14153
- Emergency Medicine (Massachusetts)
- 214181
Practice Locations
Practice Location
250 Pleasant St
Concord, New Hampshire 03301-7539
Phone: (603) 227-7000
Record Information
- Enumeration Date
- July 13, 2006
- Provider's NPPES Record Last Updated
- March 23, 2012
- NPISignal NPPES Dataset
- August 2026
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