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Nurse Practitioner

Carol A. Khalarian, NP

Sees patients in Watertown, MA · Massachusetts

Summary

Carol A. Khalarian, NP is a nurse practitioner at 189 Watertown St, Watertown, MA 02472. Phone: (866) 389-2727. Accepts Medicare assignment. In 2024, Carol A. Khalarian had 65 Original Medicare patients and 131 services. NPI 1659472819. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 189 Watertown St, Watertown, MA 02472 · Directions
  • Phone: (866) 389‑2727
  • Medicare: Accepts Medicare assignment
  • Group practice: Minuteclinic Diagnostic of Massachusetts, LLC
  • School: graduated 2000
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Carol A. Khalarian, 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 Carol A. Khalarian accept Medicare assignment?
Yes. Medicare's clinician data says Carol A. Khalarian 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 Carol A. Khalarian see?
In 2024, CMS data shows 65 Original Medicare patients and 131 services for Carol A. Khalarian. This counts Original Medicare only and measures volume, not quality.
What is Carol A. Khalarian's NPI number?
1659472819. 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 Carol A. Khalarian, 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 Medicare131
Different services or procedures22
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Admn sarscov2 vacc 1 dose (90480)26 services
  2. Sarscov2 vac 50 mcg/0.5ml im (91322)21 services
  3. Administration of influenza virus vaccine (G0008)15 services
  4. Influenza vaccine split virus, preservative free (90662)11 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 cholesterol63%
  • High blood pressure51%
  • Arthritis38%
  • Ischemic heart disease17%
  • Anxiety17%
  • Osteoporosis17%

Practice locations

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

Group practices

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

  • Minuteclinic Diagnostic of Massachusetts, LLC110 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Watertown

Clinicians with the same Medicare primary specialty in Watertown, MA — not a recommendation.

All nurse practitioners in Watertown →

Other clinicians in Minuteclinic Diagnostic of Massachusetts, LLC

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

Clinician information

CredentialNP
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659472819
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