Dr. Mark O. Farmer
- Gender: Male
- Experience: 25 years
- Graduated from: Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
- Graduation year: 1996
- Sole propriator: No
- NPI: 1144282468
Dr. Mark O. Farmer MD
Anesthesiologist
He is located at 36000 Euclid Avenue in Willoughby, OH 44094. Can help patients with the following: General Anesthesia, Pain Medication Management, Regional Anesthesia, Sedation. His National Provider Identifier (NPI) number is 1144282468. Appointment can be made via the phone number (440) 350-0832. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. Mark Owen Farmer, being an anesthesiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mark O. Farmer.
- General Anesthesia
- Pain Medication Management
- Regional Anesthesia
- Sedation
Procedures Performed by Dr. Mark O. Farmer
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark O. Farmer 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
| 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. Mark O. Farmer is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Mark O. Farmer is enrolled to bill Medicare as a Practitioner - Anesthesiology .
Bills through: University Primary Care Practices Inc
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Halyard Health | $102 |
| Mallinckrodt | $30 |
| AstraZeneca | $13 |
Other
| Food and Beverage | $171 |
Studies
CLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated in 1996
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- Address: 36000 Euclid Avenue Willoughby, 44094, OH
- Gender: Male
- Address: 36000 Euclid Avenue Willoughby, 44094, OH
- Gender: Male
- Address: 36000 Euclid Avenue Willoughby, 44094, OH
- Gender: Male
- Address: 36000 Euclid Avenue Willoughby, 44094, OH
- Gender: Male
- Address: 36000 Euclid Avenue Willoughby, 44094, OH
- Gender: Male
- Address: 36000 Euclid Avenue Willoughby, 44094, OH
Questions & Answers
Where can you meet with Dr. Mark Owen Farmer?
Dr. Mark Owen Farmer's office is located at 36000 Euclid Avenue in Willoughby, OH 44094.
Has Dr. Mark Owen Farmer affiliation with hospitals?
Dr. Mark Owen Farmer is affiliated with LAKE HEALTH. For the full list of hospitals see this list.
Does Dr. Mark Owen Farmer have affiliation with practices?
Dr. Mark Owen Farmer is affiliated with Anesthesia Associates Pain.
What conditions does Dr. Mark Owen Farmer treat?
Dr. Mark Owen Farmer provides treatment for General Anesthesia, Pain Medication Management, Regional Anesthesia, Sedation.
Does Dr. Mark Owen Farmer accept patients with CareSource?
Yes, Dr. Mark Owen Farmer is listed in-network for CareSource through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.