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Certified Clinical Nurse Specialist (CNS)

Janet A. Constantino

Sees patients in Vineyard Haven, MA · Massachusetts

Summary

Janet A. Constantino is a clinical nurse specialist at 111 Edgartown Rd, Vineyard Haven, MA 02568. Accepts Medicare assignment. In 2024, Janet A. Constantino had 34 Original Medicare patients and 438 services. NPI 1912006867. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical nurse specialist (Medicare lists Certified Clinical Nurse Specialist (CNS))
  • Address: 111 Edgartown Rd, Vineyard Haven, MA 02568 · Directions
  • Medicare: Accepts Medicare assignment
  • Group practice: Martha's Vineyard Community Services, Inc.
  • School: Yale University School Of Medicine · graduated 1989
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Janet A. Constantino, 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 Janet A. Constantino accept Medicare assignment?
Yes. Medicare's clinician data says Janet A. Constantino 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 Janet A. Constantino see?
In 2024, CMS data shows 34 Original Medicare patients and 438 services for Janet A. Constantino. This counts Original Medicare only and measures volume, not quality.
What is Janet A. Constantino's NPI number?
1912006867. 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 Janet A. Constantino, 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 patients34
Services billed to Medicare438
Different services or procedures10
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Psychotherapy, 45 minutes (90834)94 services
  2. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)88 services
  3. Psychotherapy with evaluation and management visit, 45 minutes (90836)72 services
  4. Psychotherapy, 30 minutes (90832)67 services
  5. Psychotherapy with evaluation and management visit, 30 minutes (90833)22 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%
  • Depression68%
  • Arthritis65%
  • Anxiety53%

Practice locations

Addresses where Janet A. Constantino is enrolled with Medicare (CMS data updated October 2, 2026).

  • 111 Edgartown RdVineyard Haven, MA 02568

Group practices

Medicare enrollment lists Janet A. Constantino as a member of this group (CMS data updated October 2, 2026).

  • Martha's Vineyard Community Services, Inc.17 clinicians in the group

Specialties

Find other clinicians: Certified Clinical Nurse Specialist (CNS), Massachusetts →

Other clinical nurse specialists in Massachusetts

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

All clinical nurse specialists in Massachusetts →

Other clinicians in Martha's Vineyard Community Services, Inc.

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

Clinician information

SchoolYale University School Of Medicine
Graduation year1989
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1912006867
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians