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

Nurse Practitioner

Julia M. Mellon

Works at hospitals in Boston, MA · Massachusetts

Summary

Julia M. Mellon is a nurse practitioner at 200 High St, Fl 5, Boston, MA 02110. Phone: (631) 998-3495. Accepts Medicare assignment. In 2024, Julia M. Mellon had 88 Original Medicare patients and 4,056 services. NPI 1134667769. 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 Julia M. Mellon, 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 Julia M. Mellon accept Medicare assignment?
Yes. Medicare's clinician data says Julia M. Mellon 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 Julia M. Mellon see?
In 2024, CMS data shows 88 Original Medicare patients and 4,056 services for Julia M. Mellon. This counts Original Medicare only and measures volume, not quality.
What is Julia M. Mellon's NPI number?
1134667769. 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 Julia M. Mellon, 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 patients88
Services billed to Medicare4,056
Different services or procedures3
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Injection, onabotulinumtoxina, 1 unit (J0585)3,601 services
  2. Injection of chemical for paralysis of nerve muscles on side of face (64612)155 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 cholesterol61%
  • High blood pressure57%
  • Arthritis47%
  • Anxiety32%
  • Depression28%
  • Osteoporosis22%

Hospitals where Julia M. Mellon works

Medicare's Facility Affiliation Data lists Julia M. Mellon 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 Julia M. Mellon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Julia M. Mellon as a member of these groups (CMS data updated October 2, 2026).

  • Massachusetts Eye and Ear Associates, Inc433 clinicians in the group
  • Hadlock Center for Facial Plastic Surgery PC3 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Boston

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

All nurse practitioners in Boston →

Other clinicians in Massachusetts Eye and Ear Associates, Inc

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

Clinician information

Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134667769
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