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Pulmonary Disease

Ralph Llewel D. Sabang, MD

Works at hospitals in Carmel, NY · Valhalla, NY · New York

Summary

Dr. Ralph Llewel D. Sabang, MD is a pulmonologist at 100 Woods Rd, Valhalla, NY 10595. Phone: (845) 483-6001. Accepts Medicare assignment. In 2024, Ralph Llewel D. Sabang had 13 Original Medicare patients and 17 services. NPI 1396196325. 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: Pulmonologist (Medicare lists Pulmonary Disease)
  • Address: 100 Woods Rd, Valhalla, NY 10595 · Directions (2 more locations)
  • Phone: (845) 483‑6001
  • Medicare: Accepts Medicare assignment
  • Hospitals: Putnam Hospital Center, Westchester Medical Center
  • Group practice: Westchester Medical Center Advanced Physician Services PC (+1 more)
  • Medical school: graduated 2009 (17 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Ralph Llewel D. Sabang, 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 Ralph Llewel D. Sabang accept Medicare assignment?
Yes. Medicare's clinician data says Ralph Llewel D. Sabang 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 Ralph Llewel D. Sabang see?
In 2024, CMS data shows 13 Original Medicare patients and 17 services for Ralph Llewel D. Sabang. This counts Original Medicare only and measures volume, not quality.
What is Ralph Llewel D. Sabang's NPI number?
1396196325. 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 Ralph Llewel D. Sabang, 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 patients13
Services billed to Medicare17
Different services or procedures7
Participating Medicare providerYes
Average age of these patients80

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%

Hospitals where Ralph Llewel D. Sabang works

Medicare's Facility Affiliation Data lists Ralph Llewel D. Sabang 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.

  • Putnam Hospital CenterCarmel, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330273
  • Westchester Medical CenterValhalla, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330234

Practice locations

Addresses where Ralph Llewel D. Sabang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ralph Llewel D. Sabang as a member of these groups (CMS data updated October 2, 2026).

  • Westchester Medical Center Advanced Physician Services PC897 clinicians in the group
  • Nuvance Health Medical Practice PC595 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in New York →

Other pulmonologists in Valhalla

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

All pulmonologists in Valhalla →

Other clinicians in Westchester Medical Center Advanced Physician Services PC

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)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1396196325
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