William Gregory Timmer, DO - Medicare Emergency Medicine in Marietta, OH

William Gregory Timmer, DO is a medicare enrolled "Emergency Medicine" physician in Marietta, Ohio. He graduated from medical school in 2019 and has 5 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Marietta Memorial Hospital and his current practice location is 401 Matthew Street, Emergency Department, Marietta, Ohio. You can reach out to his office (for appointments etc.) via phone at (740) 568-5669.

William Gregory Timmer is licensed to practice in Ohio (license number 34.015660) 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 1174086128.

Contact Information

William Gregory Timmer, DO
401 Matthew Street, Emergency Department,
Marietta, OH 45750-4575
(740) 568-5669
Not Available

Map and Direction




Physician's Profile

Full NameWilliam Gregory Timmer
GenderMale
SpecialityEmergency Medicine
Experience5 Years
Location401 Matthew Street, Marietta, 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:
  • William Gregory Timmer graduated from medical school in 2019
  NPI Data:
  • NPI Number: 1174086128
  • Provider Enumeration Date: 04/08/2019
  • Last Update Date: 04/26/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1951789924
  • Enrollment ID: I20220602002396

Medical Identifiers

Medical identifiers for William Gregory Timmer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174086128NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 34.015660 (Ohio)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Marietta Memorial HospitalMarietta, OHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Marietta Memorial Hospital8224928965327

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. William Gregory Timmer allows following entities to bill medicare on his behalf.
Entity NameSelby General Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124073465
PECOS PAC ID: 9638087893
Enrollment ID: O20040108000165
Entity NameMarietta Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215936927
PECOS PAC ID: 8224928965
Enrollment ID: O20040317000973

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. William Gregory Timmer 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
William Gregory Timmer, DO
401 Matthew Street, Emergency Department,
Marietta, OH 45750

Ph: (740) 568-5669
William Gregory Timmer, DO
401 Matthew Street, Emergency Department,
Marietta, OH 45750-4575

Ph: (740) 568-5669

Reviews and Comments


Emergency Medicine Doctors in Marietta, OH

Janelle A Thomas, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 401 Matthew St, Emergency Dept, Marietta, OH 45750
Phone: 740-374-1400    
Julian Adam John Jakubowski, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 401 Matthew St, Emergency Department, Marietta, OH 45750
Phone: 740-376-1939    Fax: 740-374-1693
Geoffrey Sirockman, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 401 Matthew St, Emergency Department, Marietta, OH 45750
Phone: 740-568-5669    Fax: 740-568-5279
Terry L Carr, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 401 Matthew St, Emergency Department, Marietta, OH 45750
Phone: 740-376-1939    
Dr. Cady Noelle Kennedy, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 401 Matthew Street, Emergency Department, Marietta, OH 45750
Phone: 740-568-5669    
William James Balshuweit, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 401 Matthew St, Marietta, OH 45750
Phone: 740-374-1400    

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.