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Internal Medicine

Manuel L. Fajardo, MD

Works at hospitals in Oceanside, NY · New York

Summary

Dr. Manuel L. Fajardo, MD is an internal medicine doctor at 1 Healthy Way, Oceanside, NY 11572. Phone: (516) 632-3670. Accepts Medicare assignment. In 2024, Manuel L. Fajardo had 218 Original Medicare patients and 286 services. NPI 1831461417. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1 Healthy Way, Oceanside, NY 11572 · Directions
  • Phone: (516) 632‑3670
  • Medicare: Accepts Medicare assignment
  • Hospital: Mount Sinai South Nassau
  • Group practice: Mount Sinai School of Medicine
  • Medical school: graduated 2011 (15 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Manuel L. Fajardo, 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 Manuel L. Fajardo accept Medicare assignment?
Yes. Medicare's clinician data says Manuel L. Fajardo 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 Manuel L. Fajardo see?
In 2024, CMS data shows 218 Original Medicare patients and 286 services for Manuel L. Fajardo. This counts Original Medicare only and measures volume, not quality.
What is Manuel L. Fajardo's NPI number?
1831461417. 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 Manuel L. Fajardo, 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 patients218
Services billed to Medicare286
Different services or procedures7
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)166 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)90 services
  3. Hospital discharge day management, more than 30 minutes (99239)15 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%
  • Arthritis58%
  • Ischemic heart disease48%
  • Heart failure48%
  • Diabetes44%

Hospitals where Manuel L. Fajardo works

Medicare's Facility Affiliation Data lists Manuel L. Fajardo 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 South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198

Practice locations

Addresses where Manuel L. Fajardo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Manuel L. Fajardo as a member of this group (CMS data updated October 2, 2026).

  • Mount Sinai School of Medicine148 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Oceanside

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

All internal medicine doctors in Oceanside →

Other clinicians in Mount Sinai School of Medicine

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831461417
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