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Physician Assistant

Erika S. Stefanchik, PA

Works at hospitals in New York, NY · New York

Summary

Erika S. Stefanchik, PA is a physician assistant at 234 E 85th St, New York, NY 10028. Phone: (646) 605-5669. Accepts Medicare assignment. In 2024, Erika S. Stefanchik had 18 Original Medicare patients and 20 services. NPI 1760613061. 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: Physician assistant
  • Address: 234 E 85th St, New York, NY 10028 · Directions
  • Phone: (646) 605‑5669
  • Medicare: Accepts Medicare assignment
  • Hospital: Mount Sinai Hospital
  • Group practice: Icahn School of Medicine at Mount Sinai
  • School: graduated 2009
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Erika S. Stefanchik, 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 Erika S. Stefanchik accept Medicare assignment?
Yes. Medicare's clinician data says Erika S. Stefanchik 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 Erika S. Stefanchik see?
In 2024, CMS data shows 18 Original Medicare patients and 20 services for Erika S. Stefanchik. This counts Original Medicare only and measures volume, not quality.
What is Erika S. Stefanchik's NPI number?
1760613061. 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 Erika S. Stefanchik, 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 patients18
Services billed to Medicare20
Different services or procedures15
Participating Medicare providerYes
Average age of these patients75

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 pressure67%

Hospitals where Erika S. Stefanchik works

Medicare's Facility Affiliation Data lists Erika S. Stefanchik 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.

  • Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024

Practice locations

Addresses where Erika S. Stefanchik is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erika S. Stefanchik as a member of this group (CMS data updated October 2, 2026).

  • Icahn School of Medicine at Mount Sinai48 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in New York

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

All physician assistants in New York →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

Clinician information

CredentialPA
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1760613061
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