General Practice · Havre de Grace, MD
NPI
1033103775
Since 2005
Specialty
General Practice
Code 208D00000X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
805 S Union Ave
Havre de Grace, MD, 21078
Phone (410) 939-5843
Groups this clinician bills Medicare through
Medicare paid, 2024
$304K
7,200 services
Medicare patients, 2024
638
Average age 75
Drug cost, 2024
$1.2M
11,890 prescriptions
Company payments, 2025
$1,031
From 12 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Louis N Silverstein was code 99214 (office e&m - established), 1,209 times for 429 patients. In total Louis N Silverstein billed 7,200 services in 74 codes, and Medicare paid $304K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-06-10.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 1,209 | 429 | $62.18 | $75K |
| 99490 Chronic, Principal, and Transitional Care Management | Office | 919 | 179 | $49.74 | $46K |
| 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 | 868 | 386 | $12.83 | $11K |
| 99458 E&M - Miscellaneous | Office | 538 | 74 | $30.60 | $16K |
| 99457 E&M - Miscellaneous | Office | 426 | 96 | $37.29 | $16K |
| G0136 Administration of a standardized, evidence-based social determinants of health risk assessment tool, 5-15 minutes | Office | 317 | 303 | $13.43 | $4,256 |
| G0442 Annual alcohol misuse screening, 5 to 15 minutes | Office | 312 | 312 | $20.12 | $6,279 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 305 | 305 | $135.71 | $41K |
| 99454 E&M - Miscellaneous | Office | 266 | 62 | $24.60 | $6,542 |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 237 | 237 | $20.14 | $4,774 |
| 99213 Office E&M - Established | Office | 177 | 126 | $44.36 | $7,852 |
| G0008 Administration of influenza virus vaccine | Office | 143 | 138 | $33.77 | $4,829 |
| 90662 Vaccine Product | Office | 141 | 136 | $80.63 | $11K |
| 96372 Injection Administration | Office | 128 | 56 | $10.39 | $1,330 |
| 99215 Office E&M - Established | Office | 120 | 96 | $93.09 | $11K |
By year: 2022 $241K for 4,914 services; 2023 $277K for 5,577 services; 2024 $304K for 7,200 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 81002 Clinical Chemistry | 33 | 26 | $3.41 | $113 |
| 87426 Immunoassay | 29 | 24 | $34.62 | $1,004 |
| 87428 Infectious Agent Detection by DNA/RNA | 24 | 24 | $67.27 | $1,615 |
| 0241U Infectious Agent Detection by DNA/RNA | 17 | 17 | $139.78 | $2,376 |
Medicare prescription drug claims, 2024
In 2024, the drug Louis N Silverstein prescribed most often to Medicare patients was Levothyroxine Sodium, with 540 prescriptions and refills. In total Louis N Silverstein wrote 11,890 Medicare prescriptions that cost $1.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Levothyroxine Sodium Generic | 540 | 1,412 | 156 | $7,039 |
| Rosuvastatin Calcium Generic | 531 | 1,524 | 164 | $9,023 |
| Amlodipine Besylate Generic | 444 | 1,186 | 140 | $3,531 |
| Ezetimibe Generic | 442 | 1,271 | 139 | $18K |
| Atorvastatin Calcium Generic | 418 | 1,168 | 125 | $6,271 |
| Montelukast Sodium Generic | 318 | 852 | 97 | $5,909 |
| Famotidine Generic | 273 | 587 | 108 | $6,169 |
| Metoprolol Succinate Generic | 246 | 667 | 73 | $5,345 |
| Pravastatin Sodium Generic | 229 | 630 | 64 | $5,060 |
| Lisinopril Generic | 208 | 567 | 64 | $1,348 |
| Irbesartan Generic | 192 | 540 | 59 | $6,439 |
| Valsartan Generic | 189 | 547 | 71 | $5,811 |
| Furosemide Generic | 185 | 427 | 67 | $961 |
| Sertraline Hcl Generic | 175 | 355 | 47 | $1,565 |
| Losartan Potassium Generic | 174 | 462 | 52 | $2,003 |
Brand drugs: 1,385 claims; generic drugs: 10,450 claims; opioid claims: 367.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Louis N Silverstein $1,031 ($1,031 in general payments such as food, travel and fees) from 12 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $279.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 3 | $279 |
| Abbvie Inc. ABBV | 12 | $208 |
| Novo Nordisk Inc NVO | 2 | $170 |
| Otsuka America Pharmaceutical, Inc. 4578.T | 1 | $111 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) JNJ | 4 | $73.3 |
| Pfizer Inc. PFE | 2 | $43.05 |
| Exact Sciences Corporation EXAS | 2 | $42.98 |
| Vanda Pharmaceuticals Inc. VNDA | 1 | $28.1 |
| Merck Sharp & Dohme LLC MRK | 1 | $21 |
| GlaxoSmithKline, LLC. GSK | 1 | $18.37 |
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.