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Physician Assistant

Melissa R. D'Alessandro

Works at hospitals in Boston, MA · Salem, MA · Massachusetts

Summary

Melissa R. D'Alessandro is a physician assistant at 1 Hutchinson Dr, Danvers, MA 01923. Phone: (978) 739-6950. Accepts Medicare assignment. In 2024, Melissa R. D'Alessandro had 167 Original Medicare patients and 606 services. NPI 1710287990. 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 Melissa R. D'Alessandro, 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 Melissa R. D'Alessandro accept Medicare assignment?
Yes. Medicare's clinician data says Melissa R. D'Alessandro 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 Melissa R. D'Alessandro see?
In 2024, CMS data shows 167 Original Medicare patients and 606 services for Melissa R. D'Alessandro. This counts Original Medicare only and measures volume, not quality.
What is Melissa R. D'Alessandro's NPI number?
1710287990. 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 Melissa R. D'Alessandro, 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 patients167
Services billed to Medicare606
Different services or procedures39
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)248 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)99 services
  3. Aspiration and/or injection of fluid from large joint (20610)67 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)64 services
  5. X-ray of shoulder, minimum of 2 views (73030)17 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).

  • Arthritis71%
  • High cholesterol70%
  • High blood pressure56%
  • Anxiety34%
  • Depression32%
  • Diabetes24%

Hospitals where Melissa R. D'Alessandro works

Medicare's Facility Affiliation Data lists Melissa R. D'Alessandro 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 Melissa R. D'Alessandro is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Melissa R. D'Alessandro as a member of these groups (CMS data updated October 2, 2026).

  • Mass General Brigham Medical Group Northern Massachusetts Inc827 clinicians in the group
  • Mass General Brigham Medical Group, Inc.139 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Massachusetts →

Other physician assistants in Danvers

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

All physician assistants in Danvers →

Other clinicians in Mass General Brigham Medical Group Northern Massachusetts Inc

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

Clinician information

Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710287990
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