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Obstetrics/Gynecology

Elisabeth A. Aronow, MD

Works at hospitals in Greenwich, CT · Stamford, CT · Connecticut

Summary

Dr. Elisabeth A. Aronow, MD is an OB-GYN at 1 Hospital Plz, Stamford, CT 06902. Phone: (203) 276-1000. Accepts Medicare assignment. In 2024, Elisabeth A. Aronow had 147 Original Medicare patients and 300 services. NPI 1831127109. 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: 1 Hospital Plz, Stamford, CT 06902 · Directions (6 more locations)
  • Phone: (203) 276‑1000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Greenwich Hospital Association -, Stamford Hospital
  • Group practice: Stamford Health Medical Group Inc
  • Medical school: Albany Medical College Of Union University · graduated 1991 (35 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elisabeth A. Aronow, 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 Elisabeth A. Aronow accept Medicare assignment?
Yes. Medicare's clinician data says Elisabeth A. Aronow 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 Elisabeth A. Aronow see?
In 2024, CMS data shows 147 Original Medicare patients and 300 services for Elisabeth A. Aronow. This counts Original Medicare only and measures volume, not quality.
What is Elisabeth A. Aronow's NPI number?
1831127109. 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 Elisabeth A. Aronow, 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 patients147
Services billed to Medicare300
Different services or procedures14
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)92 services
  2. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)82 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)51 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)21 services
  5. Complete ultrasound scan of pelvis (76856)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 cholesterol69%
  • High blood pressure45%
  • Arthritis36%
  • Osteoporosis29%
  • Anxiety22%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)16%

Hospitals where Elisabeth A. Aronow works

Medicare's Facility Affiliation Data lists Elisabeth A. Aronow 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.

  • Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070018
  • Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

Addresses where Elisabeth A. Aronow is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

  • 1 Hospital PlzStamford, CT 06902 (203) 276‑1000
  • 1500 Post Rd, Suite 2Darien, CT 06820 (203) 655‑8701
  • 29 Hospital PlzStamford, CT 06902
  • 292 Long Ridge RdStamford, CT 06902
  • 36 Grove StNew Canaan, CT 06840

Group practices

Medicare enrollment lists Elisabeth A. Aronow as a member of this group (CMS data updated October 2, 2026).

  • Stamford Health Medical Group Inc444 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Connecticut →

Other OB-GYNs in Stamford

Clinicians with the same Medicare primary specialty in Stamford, CT — not a recommendation.

All OB-GYNs in Stamford →

Other clinicians in Stamford Health Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolAlbany Medical College Of Union University
Graduation year1991 (35 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831127109
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