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

Colorectal Surgery (Proctology)

Tereza C. Sardinha, MD

Works at hospitals in Manhasset, NY · Roslyn, NY · New York

Summary

Dr. Tereza C. Sardinha, MD is a colorectal surgeon at 100 Port Washington Blvd, Roslyn, NY 11576. Phone: (631) 465-6225. Accepts Medicare assignment. In 2024, Tereza C. Sardinha had 246 Original Medicare patients and 595 services. NPI 1548309610. 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 Tereza C. Sardinha, 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 Tereza C. Sardinha accept Medicare assignment?
Yes. Medicare's clinician data says Tereza C. Sardinha 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 Tereza C. Sardinha see?
In 2024, CMS data shows 246 Original Medicare patients and 595 services for Tereza C. Sardinha. This counts Original Medicare only and measures volume, not quality.
What is Tereza C. Sardinha's NPI number?
1548309610. 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 Tereza C. Sardinha, 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 patients246
Services billed to Medicare595
Different services or procedures82
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)97 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)97 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)63 services
  4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)29 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)28 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%
  • Arthritis52%
  • Diabetes42%
  • Ischemic heart disease33%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)30%

Hospitals where Tereza C. Sardinha works

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

  • 100 Port Washington BlvdRoslyn, NY 11576
  • 1000 N Village AveRockville Center, NY 11570
  • 221 Jericho TpkeSyosset, NY 11791 (631) 465‑6225
  • 3003 New Hyde Park Rd, Suite 411New Hyde Park, NY 11042 (516) 327‑0001

Group practices

Medicare enrollment lists Tereza C. Sardinha as a member of this group (CMS data updated October 2, 2026).

  • CHS Physician Partners PC743 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 CHS Physician Partners PC

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

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548309610
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