Internal Medicine, Hematology & Oncology · Chula Vista, CA
NPI
1417060054
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
2
Medicare group memberships
Hospitals
4
Hospital affiliations
769 Medical Center Ct, Suite 202
Chula Vista, CA, 91911
Phone (619) 482-8430
Groups this clinician bills Medicare through
Medicare paid, 2024
$2.8M
272,639 services
Medicare patients, 2024
609
Average age 74
Drug cost, 2024
$7.9M
1,468 prescriptions
Company payments, 2025
$1,403
From 26 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Marilyn S Norton was code J1439 (injection, ferric carboxymaltose, 1 mg), 60,750 times for 37 patients. In total Marilyn S Norton billed 272,639 services in 104 codes, and Medicare paid $2.8M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-07-20.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J1439 Injection, ferric carboxymaltose, 1 mg | Office | 60,750 | 37 | $0.86 | $52K |
| J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Office | 50,700 | 31 | $2.32 | $118K |
| J0897 Injection, denosumab, 1 mg | Office | 11,940 | 37 | $20.70 | $247K |
| J1453 Injection, fosaprepitant, 1 mg | Office | 9,600 | 18 | $0.11 | $1,076 |
| 85025 Blood Count | Office | 1,989 | 493 | $7.61 | $15K |
| 36415 Venipuncture Blood Collection | Office | 1,861 | 504 | $8.65 | $16K |
| J1626 Injection, granisetron hydrochloride, 100 mcg | Office | 1,710 | 29 | $0.25 | $419 |
| 99214 Office E&M - Established | Office | 1,088 | 439 | $89.85 | $98K |
| 96372 Injection Administration | Office | 696 | 122 | $10.68 | $7,432 |
| 96413 Chemotherapy Administration | Office | 428 | 54 | $105.09 | $45K |
| J2919 Injection, methylprednisolone sodium succinate, 5 mg | Office | 384 | 11 | $0.23 | $86.73 |
| J9045 Injection, carboplatin, 50 mg | Office | 383 | 12 | $2.79 | $1,068 |
| 99233 Hospital E&M - Subsequent | Facility | 350 | 77 | $86.45 | $30K |
| J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Office | 339 | 59 | $0.92 | $312 |
| 96375 Injection Administration | Office | 234 | 36 | $12.40 | $2,902 |
By year: 2022 $3.9M for 318,810 services; 2023 $3.3M for 315,996 services; 2024 $2.8M for 272,639 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 1,989 | 493 | $7.61 | $15K |
| 36415 Venipuncture Blood Collection | 1,861 | 504 | $8.65 | $16K |
Medicare prescription drug claims, 2024
In 2024, the drug Marilyn S Norton prescribed most often to Medicare patients was Letrozole, with 181 prescriptions and refills. In total Marilyn S Norton wrote 1,468 Medicare prescriptions that cost $7.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Letrozole Generic | 181 | 436 | 45 | $5,696 |
| Lenalidomide Generic | 69 | 69 | 12 | $955K |
| Acyclovir Generic | 68 | 109 | 14 | $908 |
| Dexamethasone Generic | 63 | 77 | 18 | $1,189 |
| Ondansetron Hcl Generic | 47 | 47 | 32 | $592 |
| Ibrance Palbociclib | 47 | 47 | Under 11 | $769K |
| Pomalyst Pomalidomide | 46 | 46 | Under 11 | $1.1M |
| Exemestane Generic | 45 | 123 | 13 | $13K |
| Eliquis Apixaban | 43 | 49 | Under 11 | $26K |
| Gabapentin Generic | 39 | 57 | 13 | $796 |
| Venclexta Venetoclax | 39 | 39 | Under 11 | $314K |
| Xtandi Enzalutamide | 39 | 39 | Under 11 | $582K |
| Hydroxyurea Generic | 37 | 51 | Under 11 | $638 |
| Alendronate Sodium Generic | 37 | 75 | Under 11 | $185 |
| Prochlorperazine Maleate Generic | 35 | 35 | 25 | $431 |
Brand drugs: - claims; generic drugs: 956 claims; opioid claims: 42.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Marilyn S Norton $1,403 ($1,403 in general payments such as food, travel and fees) from 26 companies. The largest payer was Alexion Pharmaceuticals, Inc. with $182.
| Company | Payments | Amount |
|---|---|---|
| Alexion Pharmaceuticals, Inc. AZN | 6 | $182 |
| Celgene Corporation BMY | 4 | $103 |
| Merck Sharp & Dohme LLC MRK | 3 | $94.91 |
| Pfizer Inc. PFE | 4 | $90.64 |
| Abbvie Inc. ABBV | 4 | $81.22 |
| AstraZeneca Pharmaceuticals LP AZN | 3 | $78.79 |
| E.R. Squibb & Sons, L.L.C. BMY | 3 | $71.13 |
| Novartis Pharmaceuticals Corporation NVS | 3 | $69.2 |
| BeOne Medicines USA, Inc. ONC | 2 | $63.88 |
| Gilead Sciences, Inc. GILD | 2 | $59.53 |
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.