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Hematology/Oncology

James Isaacs, MD

Works at hospitals in Akron, OH · Cleveland, OH · Avon, OH … · Ohio

Summary

James Isaacs, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Akron, OH, Cleveland, OH and Avon, OH and other places. NPI 1629423934. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James Isaacs, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
MaleGender (as listed)
Cleveland ClinicGroup practice

Quick answers

Which hospitals does James Isaacs work at?
Medicare's official clinician data lists James Isaacs at 5 hospitals: Akron General Medical Center, Cleveland Clinic, Cleveland Clinic Avon Hospital, Hillcrest Hospital and Mercy Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James Isaacs see patients?
Medicare's clinician data lists 1 practice location in Cleveland, OH. Call before your visit to confirm the address.
What is James Isaacs's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does James Isaacs accept Medicare assignment?
Yes. Medicare's clinician data says James Isaacs accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does James Isaacs offer telehealth?
Medicare's clinician data says James Isaacs offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for James Isaacs?
(216) 444-5433, as listed in official Medicare / NPI Registry data.
What is James Isaacs's NPI number?
1629423934. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James Isaacs works

Medicare's Facility Affiliation Data lists James Isaacs at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James Isaacs is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James Isaacs as a member of this group (CMS data updated 2026-10-02).

  • Cleveland Clinic7,090 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Ohio →

Other hematologist-oncologists in Cleveland

Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.

All hematologist-oncologists in Cleveland →

Clinician information

CredentialMD
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1629423934
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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