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Hospitalist

Saleh A. Massasati, MD

Works at hospitals in Ogdensburg, NY · North Bergen, NJ · Saratoga Springs, NY · New York, New Jersey

Summary

Dr. Saleh A. Massasati, MD is a hospitalist at 1 Hospital Dr, Massena, NY 13662. Phone: (315) 764-4200. Accepts Medicare assignment. In 2024, Saleh A. Massasati had 242 Original Medicare patients and 754 services. NPI 1922668581. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Saleh A. Massasati, 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 Saleh A. Massasati accept Medicare assignment?
Yes. Medicare's clinician data says Saleh A. Massasati 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 Saleh A. Massasati see?
In 2024, CMS data shows 242 Original Medicare patients and 754 services for Saleh A. Massasati. This counts Original Medicare only and measures volume, not quality.
What is Saleh A. Massasati's NPI number?
1922668581. 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 Saleh A. Massasati, 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 patients242
Services billed to Medicare754
Different services or procedures11
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)277 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)182 services
  3. Hospital discharge day management, more than 30 minutes (99239)81 services
  4. Critical care, first 30-74 minutes (99291)76 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)59 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 pressure75%
  • High cholesterol75%
  • Ischemic heart disease58%
  • Heart failure57%
  • Diabetes56%
  • Arthritis55%

Hospitals where Saleh A. Massasati works

Medicare's Facility Affiliation Data lists Saleh A. Massasati 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 Saleh A. Massasati is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Saleh A. Massasati as a member of these groups (CMS data updated October 2, 2026).

  • Saratoga Hospital356 clinicians in the group
  • Plover Inpatient Services LLC161 clinicians in the group
  • Delphi Hospitalist Services LLC51 clinicians in the group

Specialties

Find other Hospitalist doctors in New York →

Other hospitalists in Massena

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

All hospitalists in Massena →

Other clinicians in Saratoga Hospital

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922668581
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