Doctor profile · Federal record
Dr. George Hajjar, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Santa Clarita, CA
- NPI 1619978715
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 38 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
23823 Valencia Blvd Ste 250
Santa Clarita, CA 913559512
(661) 799-1999 - Additional location
-
15031 Rinaldi St Ste 150
Mission Hills, CA 913451207
(818) 660-4700 - Additional location
-
465 W Putnam Ave
Porterville, CA 932573320
(559) 784-1110 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #C52459
- Medicaid
- CA #00C524590
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619978715. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
39,506
Distinct HCPCS
10
Medicare allowed
$1,280,298
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9299 |
Injection, nivolumab, 1 mg | 20,760 | 14 | $29 | |
J9271 |
Injection, pembrolizumab, 1 mg | 4,800 | 15 | $55 | |
J0185 |
Injection, aprepitant, 1 mg | 3,380 | 18 | $2 | |
J0897 |
Injection, denosumab, 1 mg | 3,000 | 17 | $23 | |
J1569 |
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg | 2,060 | 11 | $45 | |
J0640 |
Injection, leucovorin calcium, per 50 mg | 828 | 12 | $4 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 826 | 22 | $0 | |
J2405 |
Injection, ondansetron hydrochloride, per 1 mg | 600 | 27 | $0 | |
J9190 |
Injection, fluorouracil, 500 mg | 492 | 13 | $2 | |
J2506 |
Injection, pegfilgrastim, excludes biosimilar, 0.5 mg | 396 | 15 | $110 |
In context: peer comparison
Among 6 peers in Santa Clarita Hematology & Oncology Physician, average services per provider: 970. This provider delivers 41× the peer median.Open Payments
Industry payments received
All-time total
$3,287
Transactions
10
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 8 | $3,057.93 | |
| Sobi, INC | 1 | $200.00 | |
| Pfizer INC. | 1 | $28.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
532
Patients
170
Total drug cost
$1,394,271
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Hcl | Generic | 69 | 22 | $2,175 |
| Dexamethasone | Generic | 53 | 18 | $933 |
| Anastrozole | Generic | 50 | 22 | $1,608 |
| Prednisone | Generic | 48 | 13 | $382 |
| Eliquis (Apixaban) | Brand | 44 | 20 | $32,669 |
| Revlimid (Lenalidomide) | Brand | 39 | 11 | $672,022 |
| Erleada (Apalutamide) | Brand | 35 | 0 | $551,817 |
| Letrozole | Generic | 33 | 14 | $1,117 |
| Famotidine | Generic | 31 | 18 | $215 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 27 | 0 | $76 |
Frequently asked questions
What is Dr. George Hajjar's medical specialty?
Dr. George Hajjar practices Hematology & Oncology Physician in Santa Clarita, CA.
Where does Dr. George Hajjar practice?
Dr. George Hajjar practices at 23823 Valencia Blvd Ste 250, Santa Clarita, CA 913559512. Office phone: 6617991999.
What is Dr. George Hajjar's NPI?
Dr. George Hajjar's National Provider Identifier (NPI) is 1619978715, issued by NPPES.
Does Dr. George Hajjar accept Medicare assignment?
Yes. Dr. George Hajjar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Hajjar commonly perform?
Top Medicare-reported procedures in 2023: Injection, nivolumab, 1 mg (HCPCS J9299); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, aprepitant, 1 mg (HCPCS J0185). Source: CMS Medicare Physician & Other Practitioners file.