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Obstetrics/Gynecology

Maria M. Emerson, MD

Works at hospitals in Nyack, NY · New York

Summary

Dr. Maria M. Emerson, MD is an OB-GYN at 160 N Midland Ave, Nyack, NY 10960. Phone: (845) 480-7440. Accepts Medicare assignment. In 2024, Maria M. Emerson had 93 Original Medicare patients and 142 services. NPI 1043308430. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 160 N Midland Ave, Nyack, NY 10960 · Directions (4 more locations)
  • Phone: (845) 480‑7440
  • Medicare: Accepts Medicare assignment
  • Hospital: Nyack Hospital
  • Group practice: White Plains Medical Diagnostic Services, PC
  • Medical school: Albert Einstein College Of Medicine Of Yeshiva University · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maria M. Emerson, 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 Maria M. Emerson accept Medicare assignment?
Yes. Medicare's clinician data says Maria M. Emerson 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 Maria M. Emerson see?
In 2024, CMS data shows 93 Original Medicare patients and 142 services for Maria M. Emerson. This counts Original Medicare only and measures volume, not quality.
What is Maria M. Emerson's NPI number?
1043308430. 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 Maria M. Emerson, 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 patients93
Services billed to Medicare142
Different services or procedures17
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)73 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)20 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)16 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 cholesterol75%
  • High blood pressure68%
  • Arthritis44%
  • Osteoporosis33%
  • Anxiety27%
  • Diabetes22%

Hospitals where Maria M. Emerson works

Medicare's Facility Affiliation Data lists Maria M. Emerson 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.

  • Nyack HospitalNyack, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330104

Practice locations

Addresses where Maria M. Emerson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maria M. Emerson as a member of this group (CMS data updated October 2, 2026).

  • White Plains Medical Diagnostic Services, PC93 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in New York

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

All OB-GYNs in New York →

Other clinicians in White Plains Medical Diagnostic Services, PC

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

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043308430
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