Internal Medicine, Hematology & Oncology · Orange, CA
NPI
1063707958
Since 2011
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
101 the City Dr S
Orange, CA, 92868
Phone (714) 456-8000
Groups this clinician bills Medicare through
Medicare paid, 2024
$62K
615 services
Medicare patients, 2024
133
Average age 73
Drug cost, 2024
$3.1M
893 prescriptions
Company payments, 2025
$106K
From 22 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Misako Nagasaka was code 99215 (office e&m - established), 320 times for 82 patients. In total Misako Nagasaka billed 615 services in 12 codes, and Medicare paid $62K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-03-21.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Facility | 320 | 82 | $119.65 | $38K |
| 99214 Office E&M - Established | Facility | 131 | 60 | $84.40 | $11K |
| 99213 Office E&M - Established | Facility | 44 | 32 | $57.66 | $2,537 |
| 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 | 25 | 21 | $14.08 | $352 |
| 99223 Hospital E&M - Initial | Facility | 18 | 18 | $136.78 | $2,462 |
| 99442 Telephone Services | Facility | 16 | 11 | $58.87 | $942 |
| 99205 Office E&M - New | Facility | 15 | 15 | $157.20 | $2,358 |
By year: 2022 $59K for 522 services; 2023 $80K for 722 services; 2024 $62K for 615 services.
Medicare prescription drug claims, 2024
In 2024, the drug Misako Nagasaka prescribed most often to Medicare patients was Tagrisso (Osimertinib Mesylate), with 134 prescriptions and refills. In total Misako Nagasaka wrote 893 Medicare prescriptions that cost $3.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Tagrisso Osimertinib Mesylate | 134 | 134 | 21 | $2.0M |
| Dexamethasone Generic | 72 | 73 | 17 | $557 |
| Olanzapine Generic | 62 | 66 | 15 | $332 |
| Mirtazapine Generic | 37 | 52 | Under 11 | $250 |
| Eliquis Apixaban | 34 | 42 | Under 11 | $25K |
| Clindamycin Phosphate Generic | 33 | 33 | Under 11 | $707 |
| Prochlorperazine Maleate Generic | 23 | 23 | 15 | $275 |
| Lorbrena Lorlatinib | 23 | 23 | Under 11 | $470K |
| Gabapentin Generic | 22 | 30 | Under 11 | $140 |
| Triamcinolone Acetonide Generic | 22 | 24 | Under 11 | $239 |
| Levothyroxine Sodium Generic | 22 | 62 | Under 11 | $280 |
| Ondansetron Hcl Generic | 21 | 21 | 14 | $244 |
| Loperamide Loperamide Hcl | 18 | 18 | Under 11 | $374 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 15 | 15 | Under 11 | $183 |
| Alecensa Alectinib Hcl | 14 | 14 | Under 11 | $228K |
Brand drugs: 262 claims; generic drugs: 631 claims; opioid claims: 21.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Misako Nagasaka $106K ($106K in general payments such as food, travel and fees) from 22 companies. The largest payer was Janssen Biotech, Inc. with $50K.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 30 | $50K |
| Pfizer Inc. PFE | 29 | $35K |
| AstraZeneca UK Limited AZN | 4 | $9,020 |
| E.R. Squibb & Sons, L.L.C. BMY | 12 | $5,233 |
| AstraZeneca Pharmaceuticals LP AZN | 4 | $2,293 |
| Daiichi Sankyo Inc. 4568.T | 7 | $1,727 |
| Caris MPI, Inc. | 3 | $1,700 |
| Partner Therapeutics, Inc. | 1 | $1,050 |
| Boehringer Ingelheim International GmbH | 3 | $246 |
| Regeneron Pharmaceuticals, Inc. REGN | 1 | $118 |
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.