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Nephrology

Isa F. Ashoor

Works at hospitals in Boston, MA · Massachusetts

Summary

Isa F. Ashoor is a nephrologist at 300 Longwood Ave, Boston, MA 02115. Phone: (617) 355-6000. Accepts Medicare assignment. In 2024, Isa F. Ashoor had 14 Original Medicare patients and 61 services. NPI 1609072214. 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.

  • Specialty: Nephrologist (Medicare lists Nephrology)
  • Address: 300 Longwood Ave, Boston, MA 02115 · Directions
  • Phone: (617) 355‑6000
  • Medicare: Accepts Medicare assignment
  • Hospital: Boston Children's Hospital
  • Group practice: Children's Hospital Pediatric Associates, Inc
  • Medical school: graduated 2005 (21 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Isa F. Ashoor, 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 Isa F. Ashoor accept Medicare assignment?
Yes. Medicare's clinician data says Isa F. Ashoor 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 Isa F. Ashoor see?
In 2024, CMS data shows 14 Original Medicare patients and 61 services for Isa F. Ashoor. This counts Original Medicare only and measures volume, not quality.
What is Isa F. Ashoor's NPI number?
1609072214. 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 Isa F. Ashoor, 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 patients14
Services billed to Medicare61
Different services or procedures9
Participating Medicare providerYes

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)28 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%
  • Chronic kidney disease75%

Hospitals where Isa F. Ashoor works

Medicare's Facility Affiliation Data lists Isa F. Ashoor 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 Isa F. Ashoor is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Isa F. Ashoor as a member of this group (CMS data updated October 2, 2026).

  • Children's Hospital Pediatric Associates, Inc328 clinicians in the group

Specialties

Find other Nephrology doctors in Massachusetts →

Other nephrologists in Boston

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

All nephrologists in Boston →

Other clinicians in Children's Hospital Pediatric Associates, Inc

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

Clinician information

Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1609072214
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