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Summary
Dr. Mariel McGuiness treats obesity, overweight, and anxiety disorders, and practices internal medicine and pediatrics. She has six years of experience and is affiliated with Nationwide Children's Hospital and The Ohio State University Wexner Medical Center. Dr. McGuiness earned her medical degree from Ohio State University College of Medicine & Public Health and sees patients in Columbus and Hilliard, Ohio.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 6 years of experience
- 36 insurance plans accepted
- Ohio State University College Of Medicine & Public Health
- 2 specialties
- 2 areas of expertise
- 2 hospital affiliations
- 3 office locations
- Female
Office Locations
Dr. Mariel Fahnline Mcguiness has 3 locationsNationwide Childrens South High Primary Care Center
1405 S High StColumbus, OH 43207 Tel: (614) 355-9000
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
The Ohio State University General Internal Medicine And Pediatrics At Hilliard
3691 Ridge Mill DrHilliard, OH 43026 Tel: (614) 688-9220
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. Mariel Fahnline Mcguiness | Dr. Inam Khan, DO | Dr. Adewumi Bakare DMSc, PA-C | Dr. Mark Alan Winerman, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Pediatrics |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 6 Years of Experience | 48 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) | Speaks English | |
| Columbus , OH | Columbus , OH | Mesquite , TX | Columbus , OH |
| Med School: Ohio State University College Of Medicine & Public Health | Med School: University of Lynchburg - DMSc | Med School: Indiana University School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mariel Fahnline Mcguiness
Medical Specialties
Dr. Mariel Fahnline Mcguiness has the following 2 specialties
Specialty Expertise
Dr. Mariel Fahnline Mcguiness has the following 2 areas of expertise
Certifications, License, & Education
6 Years Experience
Dr. Mariel Fahnline Mcguiness holds an inactive medical license in the state of Ohio.
Medical License
Medical Doctor with an inactive medical license in the state of Ohio that expired in 2026.
Education & Training
Medical School
Graduated from Ohio State University College Of Medicine & Public Health in 2020.
NPI Number
Dr. Mcguiness' NPI number is 1356978399.
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Frequently Asked Questions
- Does Dr. Mariel Mcguiness accept virtual/telehealth appointments?
- Dr. Mariel Mcguiness has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Is Dr. Mariel Mcguiness accepting new patients?
- Dr. Mariel Mcguiness is accepting new patients on Vitals. View Dr. Mariel Mcguiness's profile on Vitals to make an appointment.
- Does Dr. Mariel Mcguiness accept my insurance?
- You can see the insurance plans that Dr. Mariel Mcguiness accepts on their Vitals profile.
- Where is Dr. Mariel Mcguiness's office located?
- Dr. Mariel Mcguiness's office is located at 1405 S High St, Columbus, OH, 43207.
- Which hospitals is Dr. Mariel Mcguiness affiliated with?
- Dr. Mariel Mcguiness is affiliated with Nationwide Childrens Hospital and The Ohio State University Wexner Medical Center.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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