Internal Medicine, Hematology & Oncology · Santa Monica, CA
NPI
1508144783
Since 2011
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
2021 Santa Monica Blvd Ste 560w
Santa Monica, CA, 90404
Phone (310) 453-5654
Groups this clinician bills Medicare through
Medicare paid, 2024
$626K
25,975 services
Medicare patients, 2024
304
Average age 78
Drug cost, 2024
$1.0M
616 prescriptions
Company payments, 2025
$427
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Grace Chang was code J0897 (injection, denosumab, 1 mg), 3,900 times for 24 patients. In total Grace Chang billed 25,975 services in 67 codes, and Medicare paid $626K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-05-27.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0897 Injection, denosumab, 1 mg | Office | 3,900 | 24 | $19.81 | $77K |
| 99214 Office E&M - Established | Office | 215 | 171 | $90.43 | $19K |
| 85025 Blood Count | Office | 199 | 68 | $7.61 | $1,514 |
| 99215 Office E&M - Established | Office | 193 | 81 | $141.51 | $27K |
| 36415 Venipuncture Blood Collection | Office | 145 | 74 | $8.65 | $1,254 |
| 99232 Hospital E&M - Subsequent | Facility | 127 | 37 | $63.92 | $8,117 |
| 80053 Clinical Chemistry | Office | 121 | 42 | $10.35 | $1,252 |
| 99233 Hospital E&M - Subsequent | Facility | 107 | 43 | $97.14 | $10K |
| 96375 Injection Administration | Office | 97 | 11 | $13.23 | $1,283 |
| 96413 Chemotherapy Administration | Office | 91 | 16 | $117.44 | $11K |
| J3489 Injection, zoledronic acid, 1 mg | Office | 75 | 15 | $5.27 | $396 |
| 96372 Injection Administration | Office | 61 | 32 | $12.56 | $766 |
| 99223 Hospital E&M - Initial | Facility | 32 | 32 | $131.86 | $4,220 |
| 99222 Hospital E&M - Initial | Facility | 26 | 21 | $103.00 | $2,678 |
| 96365 Intravenous Infusion, Hydration | Office | 20 | 19 | $51.70 | $1,034 |
By year: 2022 $660K for 34,840 services; 2023 $1.2M for 64,470 services; 2024 $626K for 25,975 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 199 | 68 | $7.61 | $1,514 |
| 36415 Venipuncture Blood Collection | 145 | 74 | $8.65 | $1,254 |
| 80053 Clinical Chemistry | 121 | 42 | $10.35 | $1,252 |
Medicare prescription drug claims, 2024
In 2024, the drug Grace Chang prescribed most often to Medicare patients was Eliquis (Apixaban), with 41 prescriptions and refills. In total Grace Chang wrote 616 Medicare prescriptions that cost $1.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Eliquis Apixaban | 41 | 63 | 16 | $37K |
| Anastrozole Generic | 37 | 102 | 18 | $720 |
| Granix Tbo-Filgrastim | 31 | 31 | 11 | $17K |
| Prochlorperazine Maleate Generic | 27 | 27 | 23 | $390 |
| Dexamethasone Generic | 26 | 26 | 16 | $331 |
| Ondansetron Odt Ondansetron | 25 | 25 | 21 | $289 |
| Xarelto Rivaroxaban | 23 | 47 | Under 11 | $25K |
| Ibandronate Sodium Generic | 21 | 50 | Under 11 | $504 |
| Hydroxyurea Generic | 13 | 32 | Under 11 | $487 |
| Dabigatran Etexilate Dabigatran Etexilate Mesylate | 12 | 20 | Under 11 | $3,268 |
| Lidocaine Hcl Viscous Lidocaine Hcl | 12 | 12 | Under 11 | $117 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 12 | 12 | Under 11 | $287 |
| Calquence Acalabrutinib Maleate | 11 | 11 | Under 11 | $158K |
| Triamcinolone Acetonide Generic | 11 | 11 | Under 11 | $68.11 |
Brand drugs: 186 claims; generic drugs: 430 claims; opioid claims: 34.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Grace Chang $427 ($427 in general payments such as food, travel and fees) from 3 companies. The largest payer was Rigel Pharmaceuticals, Inc. with $168.
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.