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Obstetrics/Gynecology

Julianne Dunne, MD

Works at hospitals in Greenwich, CT · Yonkers, NY · White Plains, NY · Connecticut, New York

Summary

Dr. Julianne Dunne, MD is an OB-GYN at 1281 E Main St, Stamford, CT 06902. Phone: (203) 325-4087. Accepts Medicare assignment. In 2024, Julianne Dunne had 293 Original Medicare patients and 635 services. NPI 1356332043. 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 Julianne Dunne, 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 Julianne Dunne accept Medicare assignment?
Yes. Medicare's clinician data says Julianne Dunne 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 Julianne Dunne see?
In 2024, CMS data shows 293 Original Medicare patients and 635 services for Julianne Dunne. This counts Original Medicare only and measures volume, not quality.
What is Julianne Dunne's NPI number?
1356332043. 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 Julianne Dunne, 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 patients293
Services billed to Medicare635
Different services or procedures31
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)197 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)103 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)96 services
  4. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)41 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)39 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 pressure49%
  • Arthritis41%
  • Osteoporosis29%
  • Anxiety26%
  • Depression18%

Hospitals where Julianne Dunne works

Medicare's Facility Affiliation Data lists Julianne Dunne 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 Julianne Dunne is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Julianne Dunne as a member of this group (CMS data updated October 2, 2026).

  • Westchester Medical Group, P.C415 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 Westchester Medical Group, P.C

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

Clinician information

CredentialMD
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356332043
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