Dr. Mark L. Grosko
- Gender: Male
- Sole propriator: Yes
- NPI: 1265614861
Dr. Mark L. Grosko D.D.S.
Endodontist
He is located at 843 North 21st Street Suite 103 in Newark, OH 43055. Can help patients with the following: Cavity, Cosmetic Dentistry, Dental Fillings and Repairs, Dental Malocclusion, Dental Sealant, Stained Teeth. His National Provider Identifier (NPI) number is 1265614861. Appointment can be made via the phone number (740) 344-6349. He is affiliated with 1 practices.
Conditions treated
Dr. Mark L. Grosko, being an endodontist, 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 L. Grosko.
- Abscessed Tooth
- Bad Breath
- Bleeding Gums
- Canker Sore
- Cavity
- Cosmetic Dentistry
- Cracked Tooth
- Dental Bridges
- Dental Crowns and Caps
- Dental Emergency
- Dental Exam and Cleaning
- Dental Fillings and Repairs
- Dental Implants
- Dental Malocclusion
- Dental Plaque
- Dental Sealant
- Dentin Hypersensitivity
- Dentures
- Edentulism
- Gum Disease / Gingivitis
- Invisalign
- Laser
- Loose Tooth
- Oral Cancer Examination
- Orthodontic Retainer
- Pericoronitis
- Root Canal
- Sensitive Teeth
- Smile Makeover
- Stained Teeth
- Teeth Grinding
- Teeth Whitening
- Teething
- Temporomandibular Joint Syndrome (TMJ)
- Tongue Problems
- Tooth Extraction
- Tooth Resorption
- Toothache
- Traumatic Dental Injury
- Veneers
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark L. Grosko as in-network for the following 2026 plans.
Dental plans
BEST Life
Network data as of Sep 8, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BEST Life Essential Basic Dental Plan | PPO · Low | In Network | Accepting new patients |
| BEST Life Essential Value Dental Plan | PPO · Low | In Network | Accepting new patients |
| BEST Life Preferred Dental Plan | PPO · High | In Network | Accepting new patients |
| BEST Life Superior Dental Plan | PPO · High | In Network | Accepting new patients |
Delta Dental of Ohio
Network data as of Sep 12, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Delta Dental Individual Pediatric-Only PPO, EHB Certified | PPO · High | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Individual Pediatric-Only PPO, EHB Certified | PPO · Low | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Individual PPO Bronze Plan, EHB Certified | PPO · Low | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Individual PPO Gold Plan, EHB Certified | PPO · High | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Individual PPO Silver Plan, EHB Certified | PPO · High | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
HRI Dental & Vision
Network data as of Sep 16, 2025, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HRI Essential Plus Plan | PPO · Low | Participating | Accepting new patients |
| HRI Preventive Family Plan | PPO · Low | Participating | Accepting new patients |
| HRI Total Care Plan | PPO · Low | Participating | Accepting new patients |
Humana
Network data as of Sep 13, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Humana Dental Smart Choice - Low | PPO · Low | Preferred | Accepting new patients |
TRUASSURE INSURANCE COMPANY
Network data as of Sep 11, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| TruAssure Basic Adult or Child Dental Plan | PPO · Low | Preferred | Accepting new patients |
| TruAssure Preferred Adult or Child Dental Plan | PPO · High | Preferred | Accepting new patients |
| TruAssure Preventive Dental Plan | PPO · Low | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 14, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Smile Now Ohio - No Waiting Period PPO | PPO · Low | 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 L. Grosko is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Payments received
Drug payment
| Biolase | $131 |
| Sonendo | $115 |
| Implant Direct International | $66 |
Other
| Food and Beverage | $313 |
Additional Specialities
- Dentist
Looking for more Endodontists?
Here are endodontists in Ohio you may want to explore.
- Gender: Male
- Address: 221 West Franklin Street Centerville, 45459, OH
- Gender: Male
- Address: 3555 Cliffhanger Way Zanesville, 43701, OH
- Gender: Female
- Address: 10900 Euclid Avenue Cleveland, 44106, OH
- Gender: Male
- Address: 305 West 12th Avenue Columbus, 43210, OH
- Gender: Male
- Address: 1730 Holloway Road Holland, 43528, OH
- Gender: Male
- Address: Suite 204 22255 Center Ridge Road Rocky River, 44116, OH
- Gender: Male
- Address: Suite 407 3609 Park East Drive Beachwood, 44122, OH
- Gender: Male
- Address: Suite B 1990 Kingsgate Road Springfield, 45502, OH
- Gender: Male
- Address: Suite C 7334 East Broad Street Blacklick, 43004, OH
- Gender: Male
- Address: Suite 102 4580 Stephens Circle Northwest Canton, 44718, OH
Questions & Answers
What conditions does Dr. Mark L. Grosko treat?
Dr. Mark L. Grosko provides treatment for Cavity, Cosmetic Dentistry, Dental Fillings and Repairs, Dental Malocclusion, Dental Sealant, Stained Teeth. For the full list see this list.
Where can you meet with Dr. Mark L. Grosko?
Dr. Mark L. Grosko's office is located at 843 North 21st Street Suite 103 in Newark, OH 43055.
Does Dr. Mark L. Grosko have affiliation with practices?
Dr. Mark L. Grosko is affiliated with Mark L Grosko DDS.
Does Dr. Mark L. Grosko accept insurance?
Dr. Mark L. Grosko is listed in-network for 17 ACA Marketplace (Obamacare/HealthCare.gov) plans from BEST Life, Delta Dental of Ohio, HRI Dental & Vision, Humana, TRUASSURE INSURANCE COMPANY, UnitedHealthcare. See the Marketplace plans section for details.