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Hematology/Oncology

Daniel Isaac, DO

Works at hospitals in Lansing, MI · Flint, MI · Charlotte, MI · Michigan

Summary

Daniel Isaac, DO (Hematology/Oncology) is listed by Medicare at 4 hospitals in Lansing, MI, Flint, MI and Charlotte, MI. NPI 1326486416. 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 Daniel Isaac, 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
13Years since medical school (graduated 2013)
MaleGender (as listed)
McLaren Greater LansingGroup practice

Quick answers

Which hospitals does Daniel Isaac work at?
Medicare's official clinician data lists Daniel Isaac at 4 hospitals: Edward W Sparrow Hospital, McLaren Flint, McLaren Greater Lansing and University of Michigan Health - Sparrow Eaton. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Daniel Isaac see patients?
Medicare's clinician data lists 2 practice locations, including Lansing, MI. Call before your visit to confirm the address.
What is Daniel Isaac's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Daniel Isaac accept Medicare assignment?
Yes. Medicare's clinician data says Daniel Isaac 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.
What is the phone number for Daniel Isaac?
(517) 975-6000, as listed in official Medicare / NPI Registry data.
What is Daniel Isaac's NPI number?
1326486416. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Daniel Isaac works

Medicare's Facility Affiliation Data lists Daniel Isaac 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 Daniel Isaac is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • McLaren Greater Lansing99 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Michigan →

Other hematologist-oncologists in Lansing

Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.

All hematologist-oncologists in Lansing →

Clinician information

CredentialDO
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326486416
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