Doctor profile · Federal record
Dr. Ryan Diel, MD
Ophthalmology Physician (CMS: Ophthalmology) · Ophthalmology Physician · Iowa City, IA
- NPI 1972000164
- Accepts Medicare
- MIPS 81.4 / 100 · 2023
- 8 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
200 Hawkins Dr
Iowa City, IA 522421009
(319) 356-3705
fax (319) 353-6030 - Additional location
-
105 E 9Th St
Coralville, IA 522412209
(319) 467-2147
fax (319) 467-2128
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- February 21, 2024
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State licenses (2)
- Iowa #MD-52218 · Nevada #21795
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972000164. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,184
Distinct HCPCS
10
Medicare allowed
$150,941
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 214 | 169 | $123 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 138 | 138 | $165 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 130 | 113 | $89 | |
92134 |
Imaging of retina | 112 | 102 | $39 | |
92083 |
Exam of visual field with extended testing | 92 | 84 | $60 | |
92133 |
Imaging of optic nerve | 90 | 77 | $35 | |
92020 |
Exam of the internal drainage system of eye | 87 | 81 | $27 | |
92136 |
Measurement of corneal curvature and depth of eye | 67 | 66 | $45 | |
92250 |
Photography of the retina | 53 | 52 | $36 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 52 | 33 | $508 |
In context: peer comparison
Among 15 peers in Iowa City Ophthalmology Physician, average services per provider: 114. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$22
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| RxSight INC | 1 | $22.28 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
988
Patients
486
Total drug cost
$37,629
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 265 | 98 | $5,151 |
| Prednisolone Acetate | Generic | 234 | 149 | $13,912 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 212 | 127 | $7,033 |
| Ketorolac Tromethamine | Generic | 87 | 53 | $2,764 |
| Brimonidine Tartrate | Generic | 63 | 27 | $1,161 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 60 | 32 | $1,624 |
| Dorzolamide Hcl | Generic | 23 | 0 | $772 |
| Timolol Maleate | Generic | 17 | 0 | $238 |
| Ofloxacin | Generic | 14 | 0 | $208 |
| Lumigan (Bimatoprost) | Brand | 13 | 0 | $4,766 |
Hospital affiliations
Frequently asked questions
What is Dr. Ryan Diel's medical specialty?
Dr. Ryan Diel practices Ophthalmology Physician in Iowa City, IA.
Where does Dr. Ryan Diel practice?
Dr. Ryan Diel practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193563705.
What is Dr. Ryan Diel's NPI?
Dr. Ryan Diel's National Provider Identifier (NPI) is 1972000164, issued by NPPES.
Does Dr. Ryan Diel accept Medicare assignment?
Yes. Dr. Ryan Diel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Diel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.