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Infectious Disease

Richard A. Martinello, MD

Works at hospitals in New Haven, CT · Connecticut

Summary

Dr. Richard A. Martinello, MD is an infectious disease doctor at 20 York St, New Haven, CT 06510. Phone: (203) 688-2433. May accept Medicare assignment. In 2024, Richard A. Martinello had 12 Original Medicare patients and 25 services. NPI 1639152846. 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: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 20 York St, New Haven, CT 06510 · Directions (1 more location)
  • Phone: (203) 688‑2433
  • Medicare: May accept Medicare assignment
  • Hospital: Yale-New Haven Hospital
  • Group practice: Yale University
  • Medical school: Loyola University Of Chicago, Stritch School Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard A. Martinello, 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 Richard A. Martinello accept Medicare assignment?
Medicare's clinician data says Richard A. Martinello may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Richard A. Martinello see?
In 2024, CMS data shows 12 Original Medicare patients and 25 services for Richard A. Martinello. This counts Original Medicare only and measures volume, not quality.
What is Richard A. Martinello's NPI number?
1639152846. 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 Richard A. Martinello, 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 patients12
Services billed to Medicare25
Different services or procedures4
Participating Medicare providerYes
Average age of these patients68

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%

Hospitals where Richard A. Martinello works

Medicare's Facility Affiliation Data lists Richard A. Martinello 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 Richard A. Martinello is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Richard A. Martinello as a member of this group (CMS data updated October 2, 2026).

  • Yale University2,645 clinicians in the group

Specialties

Find other Infectious Disease doctors in Connecticut →

Other infectious disease doctors in New Haven

Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.

All infectious disease doctors in New Haven →

Other clinicians in Yale University

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

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1639152846
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