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Nurse Practitioner

Nicole Protomastro, NP

Works at hospitals in Norwalk, CT · Connecticut

Summary

Nicole Protomastro, NP is a nurse practitioner at 761 Main Ave, Bldg B, Norwalk, CT 06851. Phone: (203) 644-1100. Accepts Medicare assignment. In 2024, Nicole Protomastro had 65 Original Medicare patients and 91 services. NPI 1700018306. 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: Nurse practitioner
  • Address: 761 Main Ave, Bldg B, Norwalk, CT 06851 · Directions
  • Phone: (203) 644‑1100
  • Medicare: Accepts Medicare assignment
  • Hospital: Norwalk Hospital
  • Group practice: Physicians for Women's Health, LLC
  • School: graduated 2002
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Nicole Protomastro, 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 Nicole Protomastro accept Medicare assignment?
Yes. Medicare's clinician data says Nicole Protomastro 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 Nicole Protomastro see?
In 2024, CMS data shows 65 Original Medicare patients and 91 services for Nicole Protomastro. This counts Original Medicare only and measures volume, not quality.
What is Nicole Protomastro's NPI number?
1700018306. 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 Nicole Protomastro, 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 patients65
Services billed to Medicare91
Different services or procedures11
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)33 services
  2. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)25 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%
  • Arthritis54%
  • High blood pressure49%
  • Anxiety28%
  • Osteoporosis25%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)17%

Hospitals where Nicole Protomastro works

Medicare's Facility Affiliation Data lists Nicole Protomastro 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

Practice locations

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

Group practices

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

  • Physicians for Women's Health, LLC318 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Connecticut →

Other nurse practitioners in Norwalk

Clinicians with the same Medicare primary specialty in Norwalk, CT — not a recommendation.

All nurse practitioners in Norwalk →

Other clinicians in Physicians for Women's Health, LLC

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

Clinician information

CredentialNP
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700018306
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