Internal Medicine, Cardiovascular Disease · Detroit, MI
NPI
1801964333
Since 2006
Specialty
Internal Medicine, Cardiovascular Disease
Code 207RC0000X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
Henry Ford Health System, 2799 West Grand Boulevard
Detroit, MI, 48202
Phone (313) 916-2721
Groups this clinician bills Medicare through
Medicare paid, 2024
$64K
1,942 services
Medicare patients, 2024
859
Average age 76
Drug cost, 2024
$5.9M
2,064 prescriptions
Company payments, 2025
$10K
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Karthikeyan Ananthasubramaniam was code 93306 (echocardiography (tte/tee)), 411 times for 406 patients. In total Karthikeyan Ananthasubramaniam billed 1,942 services in 38 codes, and Medicare paid $64K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-09-19.
| Code |
|---|
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 93306 Echocardiography (TTE/TEE) | Facility | 411 | 406 | $48.03 | $20K |
| 93016 Electrocardiogram | Facility | 158 | 158 | $14.78 | $2,335 |
| 93018 Electrocardiogram | Facility | 155 | 155 | $9.94 | $1,541 |
| 93325 Echocardiography (TTE/TEE) | Facility | 129 | 128 | $2.07 | $268 |
| 99214 Office E&M - Established | Facility | 128 | 118 | $66.96 | $8,571 |
| 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 | Facility | 100 | 93 | $12.88 | $1,288 |
| 93356 Echocardiography (TTE/TEE) | Facility | 95 | 93 | $8.79 | $835 |
| 93320 Echocardiography (TTE/TEE) | Facility | 91 | 91 | $11.75 | $1,069 |
| 76376 CT Scan | Facility | 87 | 85 | $6.99 | $608 |
| 93308 Echocardiography (TTE/TEE) | Facility | 67 | 65 | $17.90 | $1,200 |
| 93321 Echocardiography (TTE/TEE) | Facility | 62 | 61 | $5.19 | $322 |
| 93350 Echocardiography (TTE/TEE) | Facility | 56 | 56 | $46.23 | $2,589 |
| 93010 Electrocardiogram | Facility | 56 | 54 | $6.02 | $337 |
| 93312 Echocardiography (TTE/TEE) | Facility | 38 | 38 | $67.68 | $2,572 |
| 99204 Office E&M - New | Facility | 38 | 38 | $92.42 | $3,512 |
By year: 2022 $65K for 1,700 services; 2023 $67K for 1,794 services; 2024 $64K for 1,942 services.
Medicare prescription drug claims, 2024
In 2024, the drug Karthikeyan Ananthasubramaniam prescribed most often to Medicare patients was Atorvastatin Calcium, with 244 prescriptions and refills. In total Karthikeyan Ananthasubramaniam wrote 2,064 Medicare prescriptions that cost $5.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 244 | 623 | 79 | $3,016 |
| Metoprolol Succinate Generic | 193 | 525 | 65 | $3,114 |
| Vyndamax Tafamidis | 140 | 160 | 18 | $3.4M |
| Eliquis Apixaban | 118 | 264 | 35 | $143K |
| Losartan Potassium Generic | 109 | 309 | 38 | $1,154 |
| Spironolactone Generic | 87 | 232 | 23 | $954 |
| Vyndaqel Tafamidis Meglumine | 85 | 85 | Under 11 | $1.8M |
| Amlodipine Besylate Generic | 83 | 227 | 31 | $586 |
| Ezetimibe Generic | 74 | 216 | 26 | $2,172 |
| Carvedilol Generic | 73 | 207 | 21 | $1,253 |
| Furosemide Generic | 62 | 148 | 18 | $477 |
| Rosuvastatin Calcium Generic | 61 | 153 | 19 | $1,129 |
| Metoprolol Tartrate Generic | 55 | 149 | 22 | $457 |
| Jardiance Empagliflozin | 54 | 117 | 15 | $64K |
| Lisinopril Generic | 47 | 139 | 21 | $473 |
Brand drugs: 528 claims; generic drugs: 1,536 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Karthikeyan Ananthasubramaniam $10K ($10K in general payments such as food, travel and fees) from 8 companies. The largest payer was E.R. Squibb & Sons, L.L.C. with $4,863.
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.