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Emergency Medicine

Joseph W. Cardeiro, MD

Works at hospitals in Nashua, NH · New Hampshire

Summary

Dr. Joseph W. Cardeiro, MD is an emergency medicine doctor at 112 Spit Brook Rd, Nashua, NH 03062. Phone: (603) 577-2273. Accepts Medicare assignment. In 2024, Joseph W. Cardeiro had 245 Original Medicare patients and 288 services. NPI 1659470714. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 112 Spit Brook Rd, Nashua, NH 03062 · Directions (1 more location)
  • Phone: (603) 577‑2273
  • Medicare: Accepts Medicare assignment
  • Hospital: Southern NH Medical Center
  • Group practice: Foundation Medical Partners Inc
  • Medical school: Drexel University College Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph W. Cardeiro, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Joseph W. Cardeiro accept Medicare assignment?
Yes. Medicare's clinician data says Joseph W. Cardeiro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Joseph W. Cardeiro see?
In 2024, CMS data shows 245 Original Medicare patients and 288 services for Joseph W. Cardeiro. This counts Original Medicare only and measures volume, not quality.
What is Joseph W. Cardeiro's NPI number?
1659470714. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Joseph W. Cardeiro, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients245
Services billed to Medicare288
Different services or procedures19
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)122 services
  2. Emergency department visit with moderate level of medical decision making (99284)82 services
  3. Emergency department visit with low level of medical decision making (99283)55 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure73%
  • Arthritis50%
  • Anxiety47%
  • Depression40%
  • Ischemic heart disease38%

Hospitals where Joseph W. Cardeiro works

Medicare's Facility Affiliation Data lists Joseph W. Cardeiro at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Joseph W. Cardeiro is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joseph W. Cardeiro as a member of this group (CMS data updated October 2, 2026).

  • Foundation Medical Partners Inc317 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New Hampshire →

Other emergency medicine doctors in Nashua

Clinicians with the same Medicare primary specialty in Nashua, NH — not a recommendation.

All emergency medicine doctors in Nashua →

Other clinicians in Foundation Medical Partners Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolDrexel University College Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659470714
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians