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Hospitalist

Yosleisy Valdes Hernandez, MD

Works at hospitals in Montclair, NJ · Hackensack, NJ · New Jersey

Summary

Dr. Yosleisy Valdes Hernandez, MD is a hospitalist at 1 Diamond Hill Rd, Berkeley Heights, NJ 07922. Phone: (908) 273-4300. Accepts Medicare assignment. In 2024, Yosleisy Valdes Hernandez had 250 Original Medicare patients and 849 services. NPI 1053871400. 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 Yosleisy Valdes Hernandez, 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 Yosleisy Valdes Hernandez accept Medicare assignment?
Yes. Medicare's clinician data says Yosleisy Valdes Hernandez 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 Yosleisy Valdes Hernandez see?
In 2024, CMS data shows 250 Original Medicare patients and 849 services for Yosleisy Valdes Hernandez. This counts Original Medicare only and measures volume, not quality.
What is Yosleisy Valdes Hernandez's NPI number?
1053871400. 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 Yosleisy Valdes Hernandez, 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 patients250
Services billed to Medicare849
Different services or procedures25
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)500 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)140 services
  3. Hospital discharge day management, more than 30 minutes (99239)120 services
  4. Advance care planning, first 30 minutes (99497)29 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%
  • Arthritis61%
  • Ischemic heart disease56%
  • Chronic kidney disease51%
  • Heart failure49%

Hospitals where Yosleisy Valdes Hernandez works

Medicare's Facility Affiliation Data lists Yosleisy Valdes Hernandez 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 Yosleisy Valdes Hernandez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Yosleisy Valdes Hernandez as a member of these groups (CMS data updated October 2, 2026).

  • Summit Medical Group PA1,212 clinicians in the group
  • Passaic Hospitalist Services, LLC32 clinicians in the group
  • Montclair Hospital LLC21 clinicians in the group

Specialties

Find other Hospitalist doctors in New Jersey →

Other hospitalists in Berkeley Heights

Clinicians with the same Medicare primary specialty in Berkeley Heights, NJ — not a recommendation.

All hospitalists in Berkeley Heights →

Other clinicians in Summit Medical Group PA

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053871400
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