ohio
Specialties
Resident
Dr. William Gregory Timmer
Dr. William G. Timmer

Dr. William G. Timmer

  • Gender: Male
  • Sole propriator: Yes
  • NPI: 1174086128

Dr. William G. Timmer DO

Resident

He is located at 401 MATTHEW STREET EMERGENCY DEPARTMENT in Marietta, OH 45750. His National Provider Identifier (NPI) number is 1174086128. Appointment can be made via the phone number (740) 568-5669.

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William G. Timmer as in-network for the following 2026 plans.

Health plans

CareSource

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 21 plans from CareSource
CareSource plans
Plan Plan type Network tier New patients
Bronze 7500 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Core Gold 1500 $10 Generic Drugs HMO · Gold Preferred Accepting new patients
Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Gold 2000 $15 Generic Drugs HMO · Gold Preferred Accepting new patients
Gold 2000 $15 Generic Drugs + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
HDHP Preventive Silver 5500 $0 Chronic Care Drugs HMO · Silver Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services HMO · Gold Preferred Accepting new patients
Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Gold Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services HMO · Silver Preferred Accepting new patients
Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness HMO · Expanded Bronze Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs HMO · Silver Preferred Accepting new patients
Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients
Silver 6000 $20 Generic Drugs HMO · Silver Preferred Accepting new patients
Silver 6000 $20 Generic Drugs + Adult Vision & Fitness HMO · Silver Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. William G. Timmer is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. William G. Timmer is enrolled to bill Medicare as a Practitioner - Emergency Medicine .

Bills through: Selby General Hospital

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Looking for more Residents?

Out of the 42 residents in this region, here are 10 randomly selected ones for you to explore.

Dr. Raymond W. Dobson
  • Gender: Male
  • Address: 401 MATTHEW ST FERGUSON BUILDING Marietta, 45750, OH
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Dr. Wendy B. Brandan
  • Gender: Female
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Dr. Francis Gertrudis Wadskier Montagne
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Dr. Claudia Michelle Brauer Ornelas
  • Gender: Female
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Dr. Wisler Saint-Vil
  • Gender: Male
  • Address: 405 Butterfly Gardens Drive Columbus, 43215, OH
Dr. Elaine Stearney
  • Gender: Female
  • Address: 300 West 27H Street Lumberton, 28358, NC

Questions & Answers

Where can you meet with Dr. William Gregory Timmer?

Dr. William Gregory Timmer's office is located at 401 MATTHEW STREET EMERGENCY DEPARTMENT in Marietta, OH 45750.

Does Dr. William Gregory Timmer accept insurance?

Dr. William Gregory Timmer is listed in-network for 21 ACA Marketplace (Obamacare/HealthCare.gov) plans from CareSource. See the Marketplace plans section for details.