Doctor profile · Federal record

Dr. Grace Chang

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Santa Monica, CA

  • NPI 1508144783
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2021 Santa Monica Blvd Ste 560W
Santa Monica, CA 904042208
(310) 453-5654
fax (310) 453-6885
Mailing address
1000 W Carson St # 400
Torrance, CA 905022004

Credentials & registration

NPPES · NUCC
NPI registered
July 2011 — 15 yrs on file
Profile last updated
May 27, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A123034

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508144783. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17,123
Distinct HCPCS
10
Medicare allowed
$545,791
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 7,560 34 $23
J0185 Injection, aprepitant, 1 mg 5,070 11 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 512 233 $141
J2469 Injection, palonosetron hcl, 25 mcg 490 14 $1
99215 Established patient office or other outpatient visit, 40-54 minutes 459 108 $197
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 427 104 $8
J2506 Injection, pegfilgrastim, excludes biosimilar, 0.5 mg 420 11 $104
36415 Insertion of needle into vein for collection of blood sample 307 135 $8
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 276 107 $127
80053 Blood test, comprehensive group of blood chemicals 257 86 $10

In context: peer comparison

Among 10 peers in this city , average services per provider: 890. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$435
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 2 $236.85
Blueprint Medicines Corporation 1 $104.90
AstraZeneca Pharmaceuticals LP 1 $93.29

By nature of payment

Food and Beverage
$435

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
440
Patients
90
Total drug cost
$316,339
Drug Type Claims Patients Total cost
Anastrozole Generic 101 32 $3,196
Eliquis (Apixaban) Brand 83 20 $71,765
Tamoxifen Citrate Generic 49 14 $2,196
Xarelto (Rivaroxaban) Brand 41 12 $47,125
Letrozole Generic 31 12 $2,196
Alendronate Sodium Generic 23 0 $225
Duloxetine Hcl Generic 23 0 $665
Ibandronate Sodium Generic 20 0 $1,233
Gabapentin Generic 19 0 $204
Dabigatran Etexilate (Dabigatran Etexilate Mesylate) Brand 14 0 $6,827

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace Chang's medical specialty?
Dr. Grace Chang practices Hematology & Oncology Physician in Santa Monica, CA.
Where does Dr. Grace Chang practice?
Dr. Grace Chang practices at 2021 Santa Monica Blvd Ste 560W, Santa Monica, CA 904042208. Office phone: 3104535654.
What is Dr. Grace Chang's NPI?
Dr. Grace Chang's National Provider Identifier (NPI) is 1508144783, issued by NPPES.
Does Dr. Grace Chang accept Medicare assignment?
Yes. Dr. Grace Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grace Chang commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Injection, aprepitant, 1 mg (HCPCS J0185); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.