Physician Profile
Unclaimed ProfileAbout DIEL
Based in Iowa City, IA, Ryan John Diel, MD is listed in the NPI registry under ophthalmology. Ryan graduated from University of Miami, Lm Miller School of Medicine in 2018.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Diel's specialty?
Dr. Diel is an ophthalmology in Iowa City, IA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there 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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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 practising?
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (319) 356-3705
- Email not available
Practice Locations
200 HAWKINS DR
Iowa City, IA 52242
Procedures Most Often Billed to Medicare
1,141 services · 1,030 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
127 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
38 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
17 |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
13 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
12 |
| Established patient complete exam of visual system | Treatment | 92014 |
127 |
| Imaging of retina | Treatment | 92134 |
125 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
105 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
82 |
| New patient complete exam of visual system | Treatment | 92004 |
53 |
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 ophthalmology specialists 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.