Internal Medicine, Endocrinology, Diabetes, & Metabolism · Charlotte Hall, MD
NPI
1609074905
Since 2007
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
37767 Market Dr 2nd Floor
Charlotte Hall, MD, 20622
Phone (301) 884-7330
Groups this clinician bills Medicare through
Medicare paid, 2024
$194K
5,599 services
Medicare patients, 2024
582
Average age 72
Drug cost, 2024
$1.6M
4,652 prescriptions
Company payments, 2025
$47.96
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Anpalakan Sathasivam was code 99214 (office e&m - established), 1,595 times for 535 patients. In total Anpalakan Sathasivam billed 5,599 services in 21 codes, and Medicare paid $194K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-08-19.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 1,595 | 535 | $87.14 | $139K |
| 36415 Venipuncture Blood Collection | Office | 1,328 | 501 | $8.61 | $11K |
| 85025 Blood Count | Office | 499 | 219 | $7.61 | $3,797 |
| 80053 Clinical Chemistry | Office | 498 | 222 | $10.34 | $5,147 |
| 80061 Clinical Chemistry | Office | 494 | 226 | $13.10 | $6,472 |
| 84439 Clinical Chemistry | Office | 464 | 222 | $8.81 | $4,090 |
| 84443 Clinical Chemistry | Office | 461 | 223 | $16.44 | $7,577 |
| 99213 Office E&M - Established | Office | 137 | 96 | $63.47 | $8,696 |
| 99204 Office E&M - New | Office | 56 | 56 | $123.01 | $6,889 |
| 83735 Clinical Chemistry | Office | 26 | 14 | $6.23 | $162 |
| 84100 Clinical Chemistry | Office | 24 | 12 | $4.26 | $102 |
By year: 2022 $203K for 5,400 services; 2023 $208K for 5,631 services; 2024 $194K for 5,599 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 1,328 | 501 | $8.61 | $11K |
| 85025 Blood Count | 499 | 219 | $7.61 | $3,797 |
| 80053 Clinical Chemistry | 498 | 222 | $10.34 | $5,147 |
| 80061 Clinical Chemistry | 494 | 226 | $13.10 | $6,472 |
| 84439 Clinical Chemistry | 464 | 222 | $8.81 | $4,090 |
| 84443 Clinical Chemistry | 461 | 223 | $16.44 | $7,577 |
| 83735 Clinical Chemistry | 26 | 14 | $6.23 | $162 |
| 84100 Clinical Chemistry | 24 | 12 | $4.26 | $102 |
Medicare prescription drug claims, 2024
In 2024, the drug Anpalakan Sathasivam prescribed most often to Medicare patients was Levothyroxine Sodium, with 547 prescriptions and refills. In total Anpalakan Sathasivam wrote 4,652 Medicare prescriptions that cost $1.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Levothyroxine Sodium Generic | 547 | 1,601 | 150 | $6,949 |
| Atorvastatin Calcium Generic | 422 | 1,182 | 128 | $4,329 |
| Metformin Hcl Er Metformin Hcl | 314 | 886 | 105 | $4,224 |
| Ozempic Semaglutide | 299 | 544 | 62 | $517K |
| Glipizide Er Glipizide | 293 | 839 | 92 | $6,347 |
| Metformin Hcl Generic | 201 | 603 | 69 | $1,834 |
| Ultra-Fine Short Pen Needle Pen Needle, Diabetic | 194 | 534 | 78 | $26K |
| Rosuvastatin Calcium Generic | 190 | 557 | 54 | $3,138 |
| Lantus Solostar Insulin Glargine,hum.Rec.Anlog | 177 | 419 | 59 | $34K |
| Jardiance Empagliflozin | 175 | 404 | 45 | $230K |
| Alendronate Sodium Generic | 141 | 380 | 45 | $1,056 |
| Basaglar Kwikpen U-100 Insulin Glargine,hum.Rec.Anlog | 133 | 322 | 49 | $86K |
| Vitamin D2 Ergocalciferol (Vitamin D2) | 130 | 372 | 49 | $1,441 |
| Lisinopril Generic | 122 | 352 | 39 | $863 |
| Losartan Potassium Generic | 90 | 269 | 27 | $1,149 |
Brand drugs: 1,590 claims; generic drugs: 2,732 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Anpalakan Sathasivam $47.96 ($47.96 in general payments such as food, travel and fees) from 2 companies. The largest payer was Rhythm Pharmaceuticals, Inc. with $24.46.
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.