Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Matthew P. Caldwell, MD

Works at hospitals in Newport News, VA · Virginia

Summary

Dr. Matthew P. Caldwell, MD is an anesthesiologist at 1305 Walt Whitman Rd, Suite 300, Melville, NY 11747. Phone: (703) 724-9950. Accepts Medicare assignment. In 2024, Matthew P. Caldwell had 189 Original Medicare patients and 225 services. NPI 1326339078. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1305 Walt Whitman Rd, Suite 300, Melville, NY 11747 · Directions (2 more locations)
  • Phone: (703) 724‑9950
  • Medicare: Accepts Medicare assignment
  • Hospital: Riverside Regional Medical Center
  • Group practice: American Anesthesiology of Virginia PC
  • Medical school: Virginia Commonwealth Univ School Of Dentistry · graduated 2011 (15 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew P. Caldwell, 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 Matthew P. Caldwell accept Medicare assignment?
Yes. Medicare's clinician data says Matthew P. Caldwell 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 Matthew P. Caldwell see?
In 2024, CMS data shows 189 Original Medicare patients and 225 services for Matthew P. Caldwell. This counts Original Medicare only and measures volume, not quality.
What is Matthew P. Caldwell's NPI number?
1326339078. 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 Matthew P. Caldwell, 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 patients189
Services billed to Medicare225
Different services or procedures71
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for extensive surgery on spine (00670)22 services
  2. Anesthesia for x-ray or radiation therapy (01922)15 services
  3. Insertion of artery tube for blood sampling or infusion through skin (36620)12 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 blood pressure75%
  • High cholesterol75%
  • Arthritis61%
  • Diabetes38%
  • Chronic kidney disease35%
  • Anxiety34%

Hospitals where Matthew P. Caldwell works

Medicare's Facility Affiliation Data lists Matthew P. Caldwell 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 Matthew P. Caldwell is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Matthew P. Caldwell as a member of this group (CMS data updated October 2, 2026).

  • American Anesthesiology of Virginia PC531 clinicians in the group

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Melville

Clinicians with the same Medicare primary specialty in Melville, NY — not a recommendation.

All anesthesiologists in Melville →

Other clinicians in American Anesthesiology of Virginia PC

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

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth Univ School Of Dentistry
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326339078
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