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Pathology

Joshua I. Warrick, MD

Works at hospitals in New Haven, CT · Connecticut

Summary

Dr. Joshua I. Warrick, MD is a pathologist at 20 York St, New Haven, CT 06510. Phone: (203) 688-4242. Accepts Medicare assignment. In 2024, Joshua I. Warrick had 313 Original Medicare patients and 844 services. NPI 1467655365. 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: Pathologist (Medicare lists Pathology)
  • Address: 20 York St, New Haven, CT 06510 · Directions
  • Phone: (203) 688‑4242
  • Medicare: Accepts Medicare assignment
  • Hospital: Yale-New Haven Hospital
  • Group practice: Yale University
  • Medical school: Wayne State University School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joshua I. Warrick, 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 Joshua I. Warrick accept Medicare assignment?
Yes. Medicare's clinician data says Joshua I. Warrick 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 Joshua I. Warrick see?
In 2024, CMS data shows 313 Original Medicare patients and 844 services for Joshua I. Warrick. This counts Original Medicare only and measures volume, not quality.
What is Joshua I. Warrick's NPI number?
1467655365. 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 Joshua I. Warrick, 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 patients313
Services billed to Medicare844
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)297 services
  2. Pathology examination of tissue using a microscope, moderately high complexity (88307)159 services
  3. Special stained specimen slides to examine tissue, each additional procedure (88341)102 services
  4. Special stained specimen slides to examine tissue, initial procedure (88342)55 services
  5. Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method (G0416)36 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%
  • Arthritis48%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)45%
  • Diabetes31%
  • Chronic kidney disease29%

Hospitals where Joshua I. Warrick works

Medicare's Facility Affiliation Data lists Joshua I. Warrick 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 Joshua I. Warrick is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joshua I. Warrick as a member of this group (CMS data updated October 2, 2026).

  • Yale University2,645 clinicians in the group

Specialties

Find other Pathology doctors in Connecticut →

Other pathologists in New Haven

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

All pathologists 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 schoolWayne State University School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467655365
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