Internal Medicine, Cardiovascular Disease · Tucson, AZ
NPI
1164425096
Since 2005
Specialty
Internal Medicine, Cardiovascular Disease
Code 207RC0000X
Group practices
1
Medicare group memberships
Hospitals
4
Hospital affiliations
6080 N la Cholla Blvd # 200
Tucson, AZ, 85741
Phone (520) 797-8550
Groups this clinician bills Medicare through
Medicare paid, 2024
$432K
12,007 services
Medicare patients, 2024
1,362
Average age 77
Drug cost, 2024
$3.0M
10,380 prescriptions
Company payments, 2025
$1,968
From 18 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Gregory M Koshkarian was code Q9967 (low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml), 5,962 times for 83 patients. In total Gregory M Koshkarian billed 12,007 services in 54 codes, and Medicare paid $432K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-01-29.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|
| Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Office | 5,962 | 83 | $0.11 | $626 |
| 99214 Office E&M - Established | Office | 1,778 | 984 | $92.58 | $165K |
| 93000 Electrocardiogram | Office | 811 | 749 | $9.98 | $8,091 |
| 93306 Echocardiography (TTE/TEE) | Office | 550 | 522 | $140.65 | $77K |
| 99454 E&M - Miscellaneous | Office | 457 | 72 | $33.10 | $15K |
| 99457 E&M - Miscellaneous | Office | 397 | 69 | $36.29 | $14K |
| 93297 External Electrocardiographic Monitoring | Office | 332 | 42 | $19.26 | $6,393 |
| 99204 Office E&M - New | Office | 264 | 264 | $114.18 | $30K |
| 93294 External Electrocardiographic Monitoring | Office | 255 | 77 | $20.45 | $5,215 |
| 93224 Electrocardiogram | Office | 98 | 94 | $49.14 | $4,816 |
| 93015 Electrocardiogram | Office | 92 | 91 | $50.77 | $4,671 |
| 93298 External Electrocardiographic Monitoring | Office | 90 | 21 | $52.10 | $4,689 |
| 93306 Echocardiography (TTE/TEE) | Facility | 79 | 78 | $48.72 | $3,849 |
| 93280 External Electrocardiographic Monitoring | Office | 75 | 49 | $50.47 | $3,785 |
| 99213 Office E&M - Established | Office | 73 | 72 | $62.47 | $4,560 |
By year: 2022 $437K for 9,202 services; 2023 $457K for 12,622 services; 2024 $432K for 12,007 services.
Medicare prescription drug claims, 2024
In 2024, the drug Gregory M Koshkarian prescribed most often to Medicare patients was Metoprolol Succinate, with 1,020 prescriptions and refills. In total Gregory M Koshkarian wrote 10,380 Medicare prescriptions that cost $3.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Metoprolol Succinate Generic | 1,020 | 2,912 | 335 | $13K |
| Eliquis Apixaban | 742 | 1,754 | 225 | $1.0M |
| Amlodipine Besylate Generic | 738 | 2,142 | 261 | $4,496 |
| Rosuvastatin Calcium Generic | 676 | 1,943 | 215 | $9,914 |
| Atorvastatin Calcium Generic | 565 | 1,658 | 189 | $5,863 |
| Spironolactone Generic | 523 | 1,450 | 180 | $4,954 |
| Losartan Potassium Generic | 440 | 1,267 | 148 | $3,761 |
| Lisinopril Generic | 430 | 1,236 | 143 | $2,932 |
| Carvedilol Generic | 421 | 1,207 | 129 | $3,637 |
| Furosemide Generic | 342 | 951 | 134 | $1,894 |
| Flecainide Acetate Generic | 309 | 822 | 109 | $19K |
| Irbesartan Generic | 308 | 873 | 103 | $5,260 |
| Jardiance Empagliflozin | 304 | 639 | 91 | $365K |
| Hydrochlorothiazide Generic | 290 | 847 | 114 | $1,285 |
| Xarelto Rivaroxaban | 257 | 591 | 69 | $321K |
Brand drugs: 2,259 claims; generic drugs: 8,121 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Gregory M Koshkarian $1,968 ($1,968 in general payments such as food, travel and fees) from 18 companies. The largest payer was CVRx, Inc. with $399.
| Company | Payments | Amount |
|---|---|---|
| CVRx, Inc. CVRX | 9 | $399 |
| Novartis Pharmaceuticals Corporation NVS | 27 | $311 |
| Pfizer Inc. PFE | 12 | $189 |
| Merck Sharp & Dohme LLC MRK | 6 | $125 |
| Amgen Inc. AMGN | 10 | $123 |
| Kestra Medical Technology Services, Inc. | 5 | $111 |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 6 | $106 |
| BridgeBio Pharma, Inc. BBIO | 4 | $92.84 |
| Lilly USA, LLC LLY | 1 | $83.12 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 5 | $82.74 |
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.