Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Colorectal Surgery (Proctology)

Cecilia Natalia E. Birisan, MD

Works at hospitals in New Hyde Park, NY · Manhasset, NY · Glen Cove, NY … · New York

Summary

Dr. Cecilia Natalia E. Birisan, MD is a colorectal surgeon at 101 Saint Andrews Ln, Glen Cove, NY 11542. Phone: (516) 674-1812. Accepts Medicare assignment. In 2024, Cecilia Natalia E. Birisan had 200 Original Medicare patients and 489 services. NPI 1740694157. 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 Cecilia Natalia E. Birisan, 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 Cecilia Natalia E. Birisan accept Medicare assignment?
Yes. Medicare's clinician data says Cecilia Natalia E. Birisan 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 Cecilia Natalia E. Birisan see?
In 2024, CMS data shows 200 Original Medicare patients and 489 services for Cecilia Natalia E. Birisan. This counts Original Medicare only and measures volume, not quality.
What is Cecilia Natalia E. Birisan's NPI number?
1740694157. 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 Cecilia Natalia E. Birisan, 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 patients200
Services billed to Medicare489
Different services or procedures49
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)127 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)87 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)59 services
  4. Diagnostic exam of anus using an endoscope (46600)43 services
  5. Removal of external hemorrhoids by rubber banding (46221)35 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 blood pressure75%
  • High cholesterol75%
  • Arthritis61%
  • Ischemic heart disease49%
  • Anxiety35%
  • Diabetes33%

Hospitals where Cecilia Natalia E. Birisan works

Medicare's Facility Affiliation Data lists Cecilia Natalia E. Birisan 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.

  • Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195
  • North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
  • Northwell Hospital Glen CoveGlen Cove, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330181
  • Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330045
  • Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330043

Practice locations

Addresses where Cecilia Natalia E. Birisan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 16; the Medicare profile lists all.

  • 101 Saint Andrews LnGlen Cove, NY 11542
  • 101 Saint Andrews Ln, Suite 1Glen Cove, NY 11542 (516) 674‑1812
  • 1111 Marcus AveNew Hyde Park, NY 11042
  • 222 E Middle Country RdSmithtown, NY 11787
  • 270 Park AveHuntington, NY 11743 (631) 351‑2356

Group practices

Medicare enrollment lists Cecilia Natalia E. Birisan as a member of this group (CMS data updated October 2, 2026).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Colorectal Surgery (Proctology) doctors in New York →

Other colorectal surgeons in New York

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

All colorectal surgeons in New York →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia 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)1740694157
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