Dr. Mark A. Greiner
- Gender: Male
- Experience: 14 years
- Graduated from: University Of California, Davis School Of Medicine
- Graduation year: 2007
- Sole propriator: No
- NPI: 1194992958
Dr. Mark A. Greiner M.D.
Ophthalmologist
He is located at 200 Hawkins Drive in Iowa City, IA 52242. Can help patients with the following: Blepharitis, Color Blindness, Eye Strain, Glaucoma, Keratitis, Lazy Eye. His National Provider Identifier (NPI) number is 1194992958. Appointment can be made via the phone number (319) 356-2861. He is affiliated with 1 hospitals.
Conditions treated
Dr. Mark A. Greiner, being an ophthalmologist, 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 A. Greiner.
- Astigmatism
- Binocular Dysfunction (BVD)
- Blepharitis
- Blindness
- Cataracts
- Chalazion
- Color Blindness
- Corneal Disease
- Corneal Ulcer
- Crossed Eyes
- Diabetic Retinopathy
- Double Vision
- Dry Eyes
- Esotropia
- Exotropia
- Eye Floaters
- Eye Strain
- Farsightedness
- Glaucoma
- Herpes of the Eye
- Hypertropia
- Keratitis
- Keratoconus
- LASIK
- Lazy Eye
- Macular Degeneration
- Nearsightedness
- Oculomotor Dysfunction
- Optic Neuritis
- Pink Eye
- Presbyopia
- Retinal Detachment
- Retinitis Pigmentosa (RP)
- Scleritis
- Sty
- Subconjunctival Hemorrhage
- Tunnel Vision
- Usher Syndrome
- Uveitis
Procedures Performed by Dr. Mark A. Greiner
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark A. Greiner as in-network for the following 2026 plans.
Health plans
Medica
Network data as of Jan 26, 2026, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Preferredtier | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Preferredtier | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Preferredtier | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite | EPO · Gold | Preferred | Accepting new patients |
| Secure | EPO · Catastrophic | Preferred | Accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Accepting new patients |
Wellmark Health Plan of Iowa, Inc.
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 10 plans from Wellmark Health Plan of Iowa, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellmark Bronze HDHP HMO HSA Qualified | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Bronze Standard | UnityPoint Health | HMO · Expanded Bronze | Wellmark Blue HMO Unitypoint Health Network | Accepting new patients |
| Wellmark Bronze Traditional HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Gold Primary Care | UnityPoint Health | HMO · Gold | Wellmark Blue HMO Unitypoint Health Network | Accepting new patients |
| Wellmark Gold Traditional HMO | HMO · Gold | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Silver Primary Care | UnityPoint Health | HMO · Silver | Wellmark Blue HMO Unitypoint Health Network | Accepting new patients |
| Wellmark Silver Traditional HMO | HMO · Silver | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Bronze HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Gold HMO | HMO · Gold | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Silver HMO | HMO · Silver | Wellmark Blue HMO Network | 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 A. Greiner 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 A. Greiner is enrolled to bill Medicare as a Practitioner - Ophthalmology .
Bills through: State University Of Iowa
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.
Studies
UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated in 2007Additional Specialities
- Resident
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- Address: 200 Hawkins Drive Iowa City, 52242, IA
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Questions & Answers
Where can you meet with Dr. Mark A. Greiner?
Dr. Mark A. Greiner's office is located at 200 Hawkins Drive in Iowa City, IA 52242.
What conditions does Dr. Mark A. Greiner treat?
Dr. Mark A. Greiner provides treatment for Blepharitis, Color Blindness, Eye Strain, Glaucoma, Keratitis, Lazy Eye. For the full list see this list.
Does Dr. Mark A. Greiner accept patients with Wellmark Health Plan of Iowa, Inc.?
Yes, Dr. Mark A. Greiner is listed in-network for Wellmark Health Plan of Iowa, Inc. through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Mark A. Greiner affiliation with hospitals?
Dr. Mark A. Greiner is affiliated with UNIVERSITY OF IOWA HOSPITAL & CLINICS.