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Clinical Psychologist

James F. Sumowski

Works at hospitals in New York, NY · New York

Summary

James F. Sumowski (Clinical Psychologist) is listed by Medicare at 1 hospital in New York, NY. NPI 1396106977. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James F. Sumowski, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
Columbia University College Of Physicians And SurgeonsMedical school
MaleGender (as listed)
Icahn School of Medicine at Mount SinaiGroup practice

Quick answers

Which hospitals does James F. Sumowski work at?
Medicare's official clinician data lists James F. Sumowski at 1 hospital: Mount Sinai Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James F. Sumowski see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is James F. Sumowski's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does James F. Sumowski accept Medicare assignment?
Yes. Medicare's clinician data says James F. Sumowski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for James F. Sumowski?
(212) 241-4572, as listed in official Medicare / NPI Registry data.
What is James F. Sumowski's NPI number?
1396106977. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James F. Sumowski works

Medicare's Facility Affiliation Data lists James F. Sumowski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James F. Sumowski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James F. Sumowski as a member of this group (CMS data updated 2026-10-02).

  • Icahn School of Medicine at Mount Sinai2,843 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, New York →

Other clinical psychologists in New York

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

All clinical psychologists in New York →

Clinician information

Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396106977
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians