Ghassan Al-Jazayrly, M.D.
NPI 1679590566 · Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ghassan Al-Jazayrly, M.D. is a Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1679590566).
Provider details
- NPI number
- 1679590566
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A52470 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,346 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,628 | $76 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 215 | $166 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 182 | $146 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 148 | $15 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 119 | $31 |
| Administration of Additional New Drug Or Substance Into Vein, 1 Hour Or Less96417 | 54 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Denosumabbrand: Xgeva | 113 | 15 |
| Nivolumabbrand: Opdivo | 88 | 12 |
| Ondansetron Hcl/Pfbrand: Ondansetron Hcl | 82 | 22 |
| Leuprolide Acetatebrand: Lupron Depot | 63 | — |
| Epoetin Alfabrand: Procrit | 60 | 12 |
| Bevacizumabbrand: Avastin | 57 | — |
| Dexamethasone Sodium Phosphate | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$57 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-16
- Last updated
- 2007-07-09
Frequently asked questions
- What is Ghassan Al-Jazayrly's NPI number?
- Ghassan Al-Jazayrly's National Provider Identifier (NPI) is 1679590566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ghassan Al-Jazayrly's specialty?
- Ghassan Al-Jazayrly is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ghassan Al-Jazayrly located?
- Ghassan Al-Jazayrly's practice location on file with NPPES is 1300 N Vermont Ave # 606, Los Angeles, CA 90027-6005.
- What is Ghassan Al-Jazayrly's phone number?
- The practice phone number listed in the NPPES registry for Ghassan Al-Jazayrly is (323) 660-6200.
- Does Ghassan Al-Jazayrly accept Medicare?
- Ghassan Al-Jazayrly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ghassan Al-Jazayrly's NPI active?
- Yes — Ghassan Al-Jazayrly's NPI (1679590566) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.