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Obstetrics/Gynecology

Lyudmila Ganatra, DO

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

Summary

Dr. Lyudmila Ganatra, DO is an OB-GYN at 1455 E Putnam Ave, 1st Fl, Old Greenwich, CT 06870. Phone: (203) 637-3337. Accepts Medicare assignment. In 2024, Lyudmila Ganatra had 39 Original Medicare patients and 95 services. NPI 1366939977. 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: 1455 E Putnam Ave, 1st Fl, Old Greenwich, CT 06870 · Directions (1 more location)
  • Phone: (203) 637‑3337
  • Medicare: Accepts Medicare assignment
  • Hospitals: Norwalk Hospital, Stamford Hospital
  • Group practice: Stamford Health Medical Group Inc
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lyudmila Ganatra, 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 Lyudmila Ganatra accept Medicare assignment?
Yes. Medicare's clinician data says Lyudmila Ganatra 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 Lyudmila Ganatra see?
In 2024, CMS data shows 39 Original Medicare patients and 95 services for Lyudmila Ganatra. This counts Original Medicare only and measures volume, not quality.
What is Lyudmila Ganatra's NPI number?
1366939977. 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 Lyudmila Ganatra, 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 patients39
Services billed to Medicare95
Different services or procedures17
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)20 services
  2. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)18 services
  3. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)16 services
  4. Complete ultrasound scan of pelvis (76856)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%
  • Arthritis56%
  • High blood pressure46%
  • Ischemic heart disease31%
  • Anxiety31%
  • Osteoporosis28%

Hospitals where Lyudmila Ganatra works

Medicare's Facility Affiliation Data lists Lyudmila Ganatra 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.

  • Norwalk HospitalNorwalk, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070034
  • Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

Addresses where Lyudmila Ganatra is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lyudmila Ganatra 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 Connecticut

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

All OB-GYNs in Connecticut →

Other clinicians in Stamford Health Medical Group Inc

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

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366939977
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