Internal Medicine, Hematology & Oncology · Newark, DE
NPI
1841269966
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
2
Medicare group memberships
Hospitals
0
Hospital affiliations
4701 Ogletown Stanton Rd, Suite 3400
Newark, DE, 19713
Phone (302) 366-1200
Groups this clinician bills Medicare through
Medicare paid, 2024
$2.5M
84,355 services
Medicare patients, 2024
494
Average age 76
Drug cost, 2024
$3.8M
1,499 prescriptions
Company payments, 2025
$92.8
From 4 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Andrew L Himelstein was code J9271 (injection, pembrolizumab, 1 mg), 11,400 times for 12 patients. In total Andrew L Himelstein billed 84,355 services in 112 codes, and Medicare paid $2.5M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-02-28.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J9271 Injection, pembrolizumab, 1 mg | Office | 11,400 | 12 | $44.53 | $508K |
| J0897 Injection, denosumab, 1 mg | Office | 4,320 | 14 | $20.47 | $88K |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 1,307 | 41 | $0.09 | $116 |
| J1437 Injection, ferric derisomaltose, 10 mg | Office | 1,200 | 11 | $15.52 | $19K |
| 99214 Office E&M - Established | Office | 756 | 300 | $96.53 | $73K |
| J1626 Injection, granisetron hydrochloride, 100 mcg | Office | 570 | 14 | $0.25 | $140 |
| 96413 Chemotherapy Administration | Office | 169 | 68 | $105.47 | $18K |
| 99213 Office E&M - Established | Office | 116 | 104 | $67.87 | $7,873 |
| 96375 Injection Administration | Office | 110 | 34 | $12.66 | $1,392 |
| 96372 Injection Administration | Office | 108 | 37 | $11.64 | $1,257 |
| J3475 Injection, magnesium sulfate, per 500 mg | Office | 96 | 12 | $0.43 | $40.86 |
| 96401 Chemotherapy Administration | Office | 80 | 18 | $59.43 | $4,754 |
| 96402 Chemotherapy Administration | Office | 71 | 15 | $25.52 | $1,812 |
| 99215 Office E&M - Established | Office | 63 | 43 | $147.64 | $9,301 |
| 96365 Intravenous Infusion, Hydration | Office | 58 | 28 | $50.53 | $2,931 |
By year: 2022 $2.1M for 96,658 services; 2023 $1.9M for 57,473 services; 2024 $2.5M for 84,355 services.
Medicare prescription drug claims, 2024
In 2024, the drug Andrew L Himelstein prescribed most often to Medicare patients was Anastrozole, with 124 prescriptions and refills. In total Andrew L Himelstein wrote 1,499 Medicare prescriptions that cost $3.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Anastrozole Generic | 124 | 368 | 37 | $3,643 |
| Xarelto Rivaroxaban | 90 | 182 | 18 | $98K |
| Eliquis Apixaban | 73 | 144 | 22 | $81K |
| Xtandi Enzalutamide | 66 | 72 | Under 11 | $882K |
| Levothyroxine Sodium Generic | 64 | 112 | 17 | $599 |
| Acyclovir Generic | 49 | 135 | 17 | $1,139 |
| Hydroxyurea Generic | 45 | 120 | 13 | $1,558 |
| Potassium Chloride Generic | 38 | 63 | 13 | $440 |
| Dexamethasone Generic | 34 | 40 | 15 | $859 |
| Oxycodone-Acetaminophen Oxycodone Hcl/Acetaminophen | 32 | 32 | Under 11 | $490 |
| Lenalidomide Generic | 31 | 31 | Under 11 | $492K |
| Prochlorperazine Maleate Generic | 27 | 27 | 15 | $259 |
| Oxycodone Hcl Generic | 26 | 26 | Under 11 | $909 |
| Thalomid Thalidomide | 25 | 25 | Under 11 | $365K |
| Furosemide Generic | 25 | 37 | Under 11 | $63 |
Brand drugs: - claims; generic drugs: 1,073 claims; opioid claims: 80.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Andrew L Himelstein $92.8 ($92.8 in general payments such as food, travel and fees) from 4 companies. The largest payer was Novartis Pharmaceuticals Corporation with $32.97.
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.