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Hematology/Oncology

Andrew J. Riddle, MD

Works at hospitals in Charlevoix, MI · Kalkaska, MI · Cadillac, MI … · Michigan

Summary

Andrew J. Riddle, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Charlevoix, MI, Kalkaska, MI and Cadillac, MI and other places. NPI 1215059670. 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 Andrew J. Riddle, 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
20Years since medical school (graduated 2006)
Michigan State University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Munson Medical CenterGroup practice (+2 more)

Quick answers

Which hospitals does Andrew J. Riddle work at?
Medicare's official clinician data lists Andrew J. Riddle at 5 hospitals: Charlevoix Area Hospital, Kalkaska Memorial Health Center, Munson Healthcare Cadillac Hospital, Munson Medical Center and Paul Oliver Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Andrew J. Riddle see patients?
Medicare's clinician data lists 5 practice locations, including Traverse City, MI, Charlevoix, MI and Boyne City, MI. Call before your visit to confirm the address.
What is Andrew J. Riddle's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Andrew J. Riddle accept Medicare assignment?
Yes. Medicare's clinician data says Andrew J. Riddle 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 Andrew J. Riddle offer telehealth?
Medicare's clinician data says Andrew J. Riddle offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Andrew J. Riddle?
(231) 935-8000, as listed in official Medicare / NPI Registry data.
What is Andrew J. Riddle's NPI number?
1215059670. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andrew J. Riddle works

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

Group practices

Medicare enrollment lists Andrew J. Riddle as a member of these groups (CMS data updated 2026-10-02).

  • Munson Medical Center384 clinicians in the group
  • Munson Healthcare Cadillac103 clinicians in the group
  • Munson Healthcare Charlevoix Hospital56 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Michigan →

Other hematologist-oncologists in Michigan

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

All hematologist-oncologists in Michigan →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215059670
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