Internal Medicine, Interventional Cardiology · Midland, MI
NPI
1235119702
Since 2006
Specialty
Internal Medicine, Interventional Cardiology
Code 207RI0011X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
301 W Wackerly St
Midland, MI, 48640
Phone (989) 832-0900
Groups this clinician bills Medicare through
Medicare paid, 2024
$90K
1,383 services
Medicare patients, 2024
843
Average age 76
Drug cost, 2024
$1.6M
7,793 prescriptions
Company payments, 2025
$591
From 6 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William R Felten was code 99214 (office e&m - established), 419 times for 338 patients. In total William R Felten billed 1,383 services in 39 codes, and Medicare paid $90K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-05-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 419 | 338 | $62.80 | $26K |
| 99214 Office E&M - Established | Office | 227 | 179 | $81.59 | $19K |
| 93306 Echocardiography (TTE/TEE) | Facility | 167 | 159 | $49.88 | $8,330 |
| 93010 Electrocardiogram | Office | 137 | 121 | $5.85 | $802 |
| 99204 Office E&M - New | Facility | 96 | 96 | $92.41 | $8,872 |
| 99222 Hospital E&M - Initial | Facility | 79 | 78 | $96.09 | $7,591 |
| 99213 Office E&M - Established | Facility | 46 | 45 | $46.95 | $2,160 |
| 99204 Office E&M - New | Office | 41 | 41 | $108.02 | $4,429 |
| 93010 Electrocardiogram | Facility | 31 | 31 | $5.57 | $173 |
| 99213 Office E&M - Established | Office | 23 | 23 | $53.69 | $1,235 |
| 99152 Anesthesia | Facility | 23 | 23 | $8.87 | $204 |
| 93458 Percutaneous Transcatheterization | Facility | 22 | 22 | $192.19 | $4,228 |
| 93280 External Electrocardiographic Monitoring | Office | 12 | 12 | $22.03 | $264 |
By year: 2022 $135K for 1,575 services; 2023 $87K for 1,188 services; 2024 $90K for 1,383 services.
Medicare prescription drug claims, 2024
In 2024, the drug William R Felten prescribed most often to Medicare patients was Atorvastatin Calcium, with 733 prescriptions and refills. In total William R Felten wrote 7,793 Medicare prescriptions that cost $1.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 733 | 2,147 | 234 | $11K |
| Bisoprolol Fumarate Generic | 530 | 1,481 | 169 | $19K |
| Isosorbide Mononitrate Er Isosorbide Mononitrate | 482 | 1,321 | 168 | $7,609 |
| Metoprolol Succinate Generic | 480 | 1,403 | 167 | $7,952 |
| Eliquis Apixaban | 460 | 979 | 128 | $539K |
| Lisinopril Generic | 346 | 977 | 109 | $2,502 |
| Carvedilol Generic | 335 | 940 | 107 | $4,178 |
| Repatha Sureclick Evolocumab | 316 | 440 | 49 | $245K |
| Losartan Potassium Generic | 297 | 859 | 104 | $3,938 |
| Rosuvastatin Calcium Generic | 260 | 714 | 89 | $4,303 |
| Amlodipine Besylate Generic | 249 | 691 | 84 | $1,950 |
| Nitroglycerin Generic | 241 | 265 | 152 | $2,201 |
| Chlorthalidone Generic | 235 | 644 | 90 | $3,809 |
| Furosemide Generic | 221 | 633 | 82 | $1,498 |
| Spironolactone Generic | 213 | 588 | 74 | $1,885 |
Brand drugs: 1,503 claims; generic drugs: 6,290 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William R Felten $591 ($591 in general payments such as food, travel and fees) from 6 companies. The largest payer was Pfizer Inc. with $217.
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.