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

Nephrology

Eduardo S. Haddad, MD

Works at hospitals in Newburyport, MA · Methuen, MA · Lawrence, MA · Massachusetts

Summary

Dr. Eduardo S. Haddad, MD is a nephrologist at 575 Turnpike St, Suite 17, North Andover, MA 01845. Phone: (978) 686-4343. Accepts Medicare assignment. In 2024, Eduardo S. Haddad had 329 Original Medicare patients and 1,520 services. NPI 1124113022. 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 Eduardo S. Haddad, 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 Eduardo S. Haddad accept Medicare assignment?
Yes. Medicare's clinician data says Eduardo S. Haddad 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 Eduardo S. Haddad see?
In 2024, CMS data shows 329 Original Medicare patients and 1,520 services for Eduardo S. Haddad. This counts Original Medicare only and measures volume, not quality.
What is Eduardo S. Haddad's NPI number?
1124113022. 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 Eduardo S. Haddad, 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 patients329
Services billed to Medicare1,520
Different services or procedures16
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Dialysis services, per day, less than full month service (20 years or older) (90970)304 services
  2. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)265 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)245 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)224 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)156 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%
  • Chronic kidney disease75%
  • Diabetes60%
  • Heart failure51%
  • Ischemic heart disease49%

Hospitals where Eduardo S. Haddad works

Medicare's Facility Affiliation Data lists Eduardo S. Haddad 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.

  • Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220029
  • Holy Family HospitalMethuen, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220080
  • Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220010

Practice locations

Addresses where Eduardo S. Haddad is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Eduardo S. Haddad as a member of this group (CMS data updated October 2, 2026).

  • Riverside Nephrology PC3 clinicians in the group

Specialties

Find other Nephrology doctors in Massachusetts →

Other nephrologists in Massachusetts

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

All nephrologists in Massachusetts →

Other clinicians in Riverside Nephrology PC

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

Clinician information

CredentialMD
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124113022
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