Ernest John Buck, MD - Medicare Emergency Medicine in Fremont, OH

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Ernest John Buck, MD is a medicare enrolled "Emergency Medicine" physician in Fremont, Ohio. He went to Loma Linda University School Of Medicine and graduated in 1992 and has 33 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Midland Emergency Managers Pllc and his current practice location is 715 S Taft Ave, Fremont, Ohio. You can reach out to his office (for appointments etc.) via phone at (419) 334-6621.

Ernest John Buck is licensed to practice in Ohio (license number 35066347) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1861504987.

Contact Information

Ernest John Buck, MD
715 S Taft Ave,
Fremont, OH 43420-3200
(419) 334-6621
(419) 334-6649

Map and Direction




Physician's Profile

Full NameErnest John Buck
GenderMale
SpecialityEmergency Medicine
Experience33 Years
Location715 S Taft Ave, Fremont, Ohio
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ernest John Buck attended and graduated from Loma Linda University School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1861504987
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 02/07/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2567443039
  • Enrollment ID: I20210625002335

Medical Identifiers

Medical identifiers for Ernest John Buck such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861504987NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine T1911 (Texas)Secondary
207P00000XEmergency Medicine 35066347 (Ohio)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Midland Memorial HospitalMidland, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Midland Emergency Managers Pllc256787047021

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ernest John Buck allows following entities to bill medicare on his behalf.
Entity NameWes Tex Urgent Care Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588043707
PECOS PAC ID: 6305150863
Enrollment ID: O20150729007181
Entity NameMidland Emergency Managers Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720673122
PECOS PAC ID: 2567870470
Enrollment ID: O20210414000507
Entity NameUrgent Care Providers Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457131294
PECOS PAC ID: 6002341021
Enrollment ID: O20241127000504

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ernest John Buck is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ernest John Buck, MD
715 S Taft Ave,
Fremont, OH 43420-3200

Ph: (419) 334-6621		Ernest John Buck, MD
715 S Taft Ave,
Fremont, OH 43420-3200

Ph: (419) 334-6621

Reviews and Comments


Emergency Medicine Doctors in Fremont, OH

Dr. Leilani E Labianco, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 715 S Taft Ave, Fremont, OH 43420
Phone: 419-334-6621    
Dr. Suzanne Grace Amidon Magro, D.O.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 715 S Taft Ave, Fremont, OH 43420
Phone: 419-332-7321    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.