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Hematology/Oncology

Jeffrey Muler, MD

Works at hospitals in Oregon, OH · Fostoria, OH · Fremont, OH … · Ohio, Michigan

Summary

Jeffrey Muler, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Oregon, OH, Fostoria, OH and Fremont, OH and other places. NPI 1285631739. 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 Jeffrey Muler, 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
30Years since medical school (graduated 1996)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
ProMedica Multi Specialty PhysiciansGroup practice

Quick answers

Which hospitals does Jeffrey Muler work at?
Medicare's official clinician data lists Jeffrey Muler at 5 hospitals: Bay Park Community Hospital, Fostoria Community Hospital, Memorial Hospital, ProMedica Charles and Virginia Hickman Hospital and ProMedica Toledo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jeffrey Muler see patients?
Medicare's clinician data lists 2 practice locations, including Toledo, OH and Adrian, MI. Call before your visit to confirm the address.
What is Jeffrey Muler's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Jeffrey Muler accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey Muler 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 Jeffrey Muler offer telehealth?
Medicare's clinician data says Jeffrey Muler offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jeffrey Muler?
(419) 291-1111, as listed in official Medicare / NPI Registry data.
What is Jeffrey Muler's NPI number?
1285631739. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jeffrey Muler works

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

Group practices

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

  • ProMedica Multi Specialty Physicians270 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Ohio →

Other hematologist-oncologists in Toledo

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

All hematologist-oncologists in Toledo →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1285631739
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