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Obstetrics/Gynecology

Cassandra L. Denefrio, MD

Works at hospitals in Albany, NY · New York

Summary

Dr. Cassandra L. Denefrio, MD is an OB-GYN at 391 Myrtle Ave, Albany, NY 12208. Phone: (518) 262-5640. Accepts Medicare assignment. In 2024, Cassandra L. Denefrio had 31 Original Medicare patients and 45 services. NPI 1851710800. 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: 391 Myrtle Ave, Albany, NY 12208 · Directions
  • Phone: (518) 262‑5640
  • Medicare: Accepts Medicare assignment
  • Hospital: Albany Medical Center Hospital
  • Group practice: Albany Medical College
  • Medical school: Tufts University School Of Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Cassandra L. Denefrio, 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 Cassandra L. Denefrio accept Medicare assignment?
Yes. Medicare's clinician data says Cassandra L. Denefrio 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 Cassandra L. Denefrio see?
In 2024, CMS data shows 31 Original Medicare patients and 45 services for Cassandra L. Denefrio. This counts Original Medicare only and measures volume, not quality.
What is Cassandra L. Denefrio's NPI number?
1851710800. 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 Cassandra L. Denefrio, 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 patients31
Services billed to Medicare45
Different services or procedures21
Participating Medicare providerYes
Average age of these patients59

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 cholesterol74%
  • Anxiety58%
  • High blood pressure52%

Hospitals where Cassandra L. Denefrio works

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

Group practices

Medicare enrollment lists Cassandra L. Denefrio as a member of this group (CMS data updated October 2, 2026).

  • Albany Medical College1,056 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in Albany

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

All OB-GYNs in Albany →

Other clinicians in Albany Medical College

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

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851710800
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