Internal Medicine, Rheumatology · South Charleston, WV
NPI
1386650760
Since 2006
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
2
Medicare group memberships
Hospitals
3
Hospital affiliations
4610 Kanawha Ave SW, Suite 301
South Charleston, WV, 25309
Phone (304) 720-8701
Groups this clinician bills Medicare through
Medicare paid, 2024
$109K
6,407 services
Medicare patients, 2024
353
Average age 73
Drug cost, 2024
$2.4M
4,847 prescriptions
Company payments, 2025
$1,679
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Michael A Istfan was code 99214 (office e&m - established), 387 times for 276 patients. In total Michael A Istfan billed 6,407 services in 35 codes, and Medicare paid $109K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2017-03-07.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 387 | 276 | $81.72 | $32K |
| 99213 Office E&M - Established | Office | 178 | 144 | $58.52 | $10K |
| 20610 Joint Injection | Office | 131 | 80 | $40.27 | $5,276 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 105 | 89 | $11.85 | $1,245 |
| J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 45 | 12 | $0.67 | $30.36 |
| 20550 Musculoskeletal | Office | 35 | 23 | $30.58 | $1,070 |
| J1020 Injection, methylprednisolone acetate, 20 mg | Office | 18 | 15 | $4.47 | $80.53 |
| 99215 Office E&M - Established | Office | 17 | 16 | $108.40 | $1,843 |
| 96413 Chemotherapy Administration | Office | 16 | 12 | $88.80 | $1,421 |
By year: 2022 $596K for 38,107 services; 2023 $502K for 40,159 services; 2024 $109K for 6,407 services.
Medicare prescription drug claims, 2024
In 2024, the drug Michael A Istfan prescribed most often to Medicare patients was Prednisone, with 797 prescriptions and refills. In total Michael A Istfan wrote 4,847 Medicare prescriptions that cost $2.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 797 | 1,179 | 208 | $4,046 |
| Hydroxychloroquine Sulfate Generic | 734 | 1,540 | 246 | $26K |
| Methotrexate Methotrexate Sodium | 564 | 1,071 | 145 | $8,912 |
| Celecoxib Generic | 239 | 377 | 76 | $3,231 |
| Tramadol Hcl Generic | 231 | 264 | 54 | $1,016 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 220 | 221 | 46 | $3,659 |
| Gabapentin Generic | 196 | 320 | 49 | $2,095 |
| Duloxetine Hcl Generic | 156 | 299 | 38 | $1,865 |
| Leflunomide Generic | 134 | 262 | 48 | $5,234 |
| Meloxicam Generic | 114 | 180 | 43 | $272 |
| Leucovorin Calcium Generic | 105 | 180 | 28 | $860 |
| Methylprednisolone Generic | 94 | 136 | 30 | $1,485 |
| Cyclobenzaprine Hcl Generic | 92 | 135 | 26 | $367 |
| Allopurinol Generic | 75 | 168 | 24 | $1,014 |
| Enbrel Sureclick Etanercept | 65 | 70 | 12 | $542K |
Brand drugs: 495 claims; generic drugs: 4,340 claims; opioid claims: 451.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Michael A Istfan $1,679 ($1,679 in general payments such as food, travel and fees) from 8 companies. The largest payer was Amgen Inc. with $456.
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.