Ophthalmology · Iowa City, IA
NPI
1194992958
Since 2008
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
200 Hawkins Dr
Iowa City, IA, 52242
Phone (319) 356-2861
Groups this clinician bills Medicare through
Medicare paid, 2024
$166K
2,175 services
Medicare patients, 2024
604
Average age 75
Drug cost, 2024
$84K
1,309 prescriptions
Company payments
-
None reported
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Mark A Greiner was code 76514 (ultrasound - nonspecific), 568 times for 384 patients. In total Mark A Greiner billed 2,175 services in 52 codes, and Medicare paid $166K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-08-16.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 76514 Ultrasound - Nonspecific | Facility | 568 | 384 | $4.89 | $2,778 |
| 99214 Office E&M - Established | Facility | 559 | 400 | $63.16 | $35K |
| 92286 Standard X-ray | Facility | 186 | 169 | $13.33 | $2,480 |
| 92025 Test - Miscellaneous | Facility | 180 | 162 | $11.75 | $2,114 |
| 99213 Office E&M - Established | Facility | 74 | 72 | $44.69 | $3,307 |
| 65756 Eye | Facility | 62 | 52 | $852.50 | $53K |
| 92285 Standard X-ray | Facility | 54 | 52 | $1.92 | $104 |
| 92014 Ophthalmological E&M | Facility | 53 | 53 | $45.51 | $2,412 |
| 92136 Ultrasound - Nonspecific | Facility | 51 | 44 | $20.10 | $1,025 |
| 99204 Office E&M - New | Facility | 47 | 47 | $88.42 | $4,156 |
| 66984 Cataract Surgery | Facility | 41 | 33 | $380.35 | $16K |
| 92134 Computerized Ophthalmic Imaging | Facility | 40 | 28 | $16.44 | $658 |
| 92132 Computerized Ophthalmic Imaging | Facility | 35 | 28 | $10.61 | $371 |
| 99215 Office E&M - Established | Facility | 33 | 30 | $96.32 | $3,179 |
| 66984 Cataract Surgery | Office | 29 | 26 | $373.29 | $11K |
By year: 2022 $180K for 2,298 services; 2023 $170K for 2,342 services; 2024 $166K for 2,175 services.
Medicare prescription drug claims, 2024
In 2024, the drug Mark A Greiner prescribed most often to Medicare patients was Prednisolone Acetate, with 331 prescriptions and refills. In total Mark A Greiner wrote 1,309 Medicare prescriptions that cost $84K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisolone Acetate Generic | 331 | 526 | 173 | $16K |
| Fluorometholone Generic | 273 | 535 | 103 | $31K |
| Valacyclovir Valacyclovir Hcl | 134 | 270 | 54 | $7,747 |
| Moxifloxacin Moxifloxacin Hcl | 107 | 110 | 54 | $1,987 |
| Medroxyprogesterone Acetate Generic | 58 | 58 | Under 11 | $7,453 |
| Doxycycline Hyclate Generic | 51 | 79 | 17 | $1,136 |
| Timolol Maleate Generic | 40 | 110 | 17 | $223 |
| Ketorolac Tromethamine Generic | 34 | 47 | 19 | $686 |
| Latanoprost Generic | 33 | 48 | Under 11 | $408 |
| Vancomycin Hcl Generic | 27 | 27 | Under 11 | $177 |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 26 | 65 | 12 | $259 |
| Prednisone Generic | 21 | 31 | Under 11 | $122 |
| Sandimmune Cyclosporine | 18 | 18 | Under 11 | $1,175 |
| Humalog Insulin Lispro | 17 | 17 | Under 11 | $10.03 |
| Polymyxin B Sul-Trimethoprim Polymyxin B Sulf/Trimethoprim | 17 | 23 | 13 | $76.09 |
Brand drugs: 623 claims; generic drugs: 686 claims.
Money and other things of value reported by the companies
No payments from drug or medical device companies to Mark A Greiner were reported in the years we have.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.