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Emergency Medicine

Joshua Sowick, MD

Works at hospitals in Keene, NH · Buffalo, NY · Lebanon, NH … · New Hampshire, New York

Summary

Dr. Joshua Sowick, MD is an emergency medicine doctor at 1540 Maple Rd, Williamsville, NY 14221. Phone: (716) 568-3600. Accepts Medicare assignment. In 2024, Joshua Sowick had 215 Original Medicare patients and 279 services. NPI 1801457361. 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: 1540 Maple Rd, Williamsville, NY 14221 · Directions (2 more locations)
  • Phone: (716) 568‑3600
  • Medicare: Accepts Medicare assignment
  • Hospitals: Cheshire Medical Center, Kaleida Health, Mary Hitchcock Memorial Hospital and 1 more
  • Group practice: Dartmouth-Hitchcock Clinic (+1 more)
  • Medical school: Temple University School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joshua Sowick, 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 Sowick accept Medicare assignment?
Yes. Medicare's clinician data says Joshua Sowick 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 Sowick see?
In 2024, CMS data shows 215 Original Medicare patients and 279 services for Joshua Sowick. This counts Original Medicare only and measures volume, not quality.
What is Joshua Sowick's NPI number?
1801457361. 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 Sowick, 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 patients215
Services billed to Medicare279
Different services or procedures23
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)101 services
  2. Emergency department visit with moderate level of medical decision making (99284)80 services
  3. Critical care, first 30-74 minutes (99291)26 services
  4. Ultrasound of heart, follow-up (93308)16 services
  5. Emergency department visit with low level of medical decision making (99283)13 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 pressure71%
  • High cholesterol66%
  • Arthritis45%
  • Depression40%
  • Anxiety37%
  • Ischemic heart disease32%

Hospitals where Joshua Sowick works

Medicare's Facility Affiliation Data lists Joshua Sowick 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.

  • Cheshire Medical CenterKeene, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300019
  • Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
  • Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300003
  • Wyoming CountyWarsaw, NY · Critical Access Hospital · Emergency services: listed by Medicare · CCN 331323

Practice locations

Addresses where Joshua Sowick is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joshua Sowick as a member of these groups (CMS data updated October 2, 2026).

  • Dartmouth-Hitchcock Clinic1,472 clinicians in the group
  • University Emergency Medical Services Inc.95 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in Williamsville

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

All emergency medicine doctors in Williamsville →

Other clinicians in Dartmouth-Hitchcock Clinic

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

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801457361
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