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Nurse Practitioner

Yasminda Downer-Muse, NP

Works at hospitals in Greenwich, CT · Connecticut

Summary

Yasminda Downer-Muse, NP is a nurse practitioner at 1275 York Ave, New York, NY 10065. Phone: (212) 639-2000. Accepts Medicare assignment. In 2024, Yasminda Downer-Muse had 101 Original Medicare patients and 161 services. NPI 1831698042. 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 Yasminda Downer-Muse, 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 Yasminda Downer-Muse accept Medicare assignment?
Yes. Medicare's clinician data says Yasminda Downer-Muse 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 Yasminda Downer-Muse see?
In 2024, CMS data shows 101 Original Medicare patients and 161 services for Yasminda Downer-Muse. This counts Original Medicare only and measures volume, not quality.
What is Yasminda Downer-Muse's NPI number?
1831698042. 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 Yasminda Downer-Muse, 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 patients101
Services billed to Medicare161
Different services or procedures13
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)49 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)26 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)21 services
  4. Psychiatric diagnostic evaluation with medical services (90792)12 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%
  • Anxiety75%
  • Depression64%
  • Alzheimer's disease or dementia63%
  • Arthritis54%

Hospitals where Yasminda Downer-Muse works

Medicare's Facility Affiliation Data lists Yasminda Downer-Muse 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 Yasminda Downer-Muse is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Yasminda Downer-Muse as a member of these groups (CMS data updated October 2, 2026).

  • Greenwich Hospital76 clinicians in the group
  • Memorial Psychiatry Group49 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in New York

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

All nurse practitioners in New York →

Other clinicians in Greenwich Hospital

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

Clinician information

CredentialNP
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831698042
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