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Edit this profileWhere to find Ryan J. Diel, MD
- Iowa City location main office
200 Hawkins Dr, Iowa City, IA 52242 - Coralville location
105 E 9th St, Coralville, IA 52241
About Dr. Diel
Based in Iowa City, IA, Ryan J. Diel, MD is listed in the NPI registry under ophthalmology. Ryan graduated from University of Miami, Lm Miller School of Medicine in 2018. According to Medicare claims data, Ryan cared for 1,030 Medicare patients across 1,141 services. The services billed most often include established patient complete exam of visual system, removal of cataract with insertion of prosthetic lens, and imaging of retina. NPI 1972000164 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (319) 356-3705
- Email not available
Practice Locations
200 HAWKINS DR
Iowa City, IA 52242
105 E 9th St
Coralville, IA 52241
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,141 services · 1,030 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
127 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
38 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
17 | As often as other peers in Ophthalmology |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
13 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
12 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
127 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
125 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
105 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
82 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
53 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in Iowa City 8
Same specialty, same city.
Trained at University of Miami, Lm Miller School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2018 at University of Miami, Lm Miller School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in IA who bill this service to Medicare most often.
Common questions
What is Dr. Diel's specialty?
Dr. Diel is an eye doctor in Iowa City, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Diel?
Dr. Diel is listed at 200 Hawkins Dr, Iowa City, IA 52242. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Diel?
The number on file is (319) 356-3705. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Diel's NPI number?
Dr. Diel's National Provider Identifier is 1972000164. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Diel's medical education?
Dr. Diel attended University of Miami, Lm Miller School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Diel been practicing?
Dr. Diel has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Diel known for?
According to Medicare billing data, Dr. Diel performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures and ultrasound scan of cornea to determine thickness; provides treatments such as established patient complete exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Diel confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Diel. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.