Mary A. Karn CNP
Pediatric Nurse Practitioner
She is located at 700 Childrens Drive in Columbus, OH 43205. Can help patients with the following: Autism, Breastfeeding and Lactation, Childhood Obesity, Infant Care, Jaundice, Labor and Birth. Her National Provider Identifier (NPI) number is 1033126537. Appointment can be made via the phone number (614) 722-6531. She is affiliated with 1 practices.
Conditions treated
Mary Ann Karn, being an pediatric nurse practitioner, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Mary A. Karn.
- Autism
- Breastfeeding and Lactation
- Childhood Obesity
- Infant Care
- Jaundice
- Labor and Birth
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Mary A. Karn 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 Mary A. Karn is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
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Questions & Answers
What conditions does Mary Ann Karn treat?
Mary Ann Karn provides treatment for Autism, Breastfeeding and Lactation, Childhood Obesity, Infant Care, Jaundice, Labor and Birth.
Does Mary Ann Karn have affiliation with practices?
Mary Ann Karn is affiliated with Pediatric Academic Association.
Where can you meet with Mary Ann Karn?
Mary Ann Karn's office is located at 700 Childrens Drive in Columbus, OH 43205.
Does Mary Ann Karn accept insurance?
Mary Ann Karn is listed in-network for 21 ACA Marketplace (Obamacare/HealthCare.gov) plans from CareSource. See the Marketplace plans section for details.