Physician Profile
Bassam N. Maalouf, M.D. is a healthcare provider in O Fallon, IL specializing in hematology/oncology. Bassam is also listed as specializing in hematology & oncology. According to Medicare claims data, Bassam cared for 3,506 Medicare patients across 132,534 services. The services billed most often include injection, ferric carboxymaltose, 1 mg, low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, and injection, eflapegrastim-xnst, 0.1 mg. This provider record is associated with NPI 1720173438.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
321 REGENCY PARK STE 100
O Fallon, IL 62269
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
Blood disorders
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
Supportive cancer care
Surgical & Vascular Access
Testing & Genetics
Vascular access care
132,534 services · 3,506 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,237 | More often than most peers in Hematology/Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
1,308 | More than most peers in Hematology/Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
553 | More than most peers in Hematology/Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
404 | More often than most peers in Hematology/Oncology |
| Injection, ferric carboxymaltose, 1 mg | Drug given | J1439 |
94,500 | More than most peers in Hematology/Oncology |
| Injection, eflapegrastim-xnst, 0.1 mg | Drug given | J1449 |
4,884 | As often as other peers in Hematology/Oncology |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
3,546 | More than most peers in Hematology/Oncology |
| Injection, ondansetron hydrochloride, per 1 mg | Drug given | J2405 |
2,512 | More often than most peers in Hematology/Oncology |
| Injection, palonosetron hcl, 25 mcg | Drug given | J2469 |
2,510 | More than most peers in Hematology/Oncology |
| Injection, leucovorin calcium, per 50 mg | Drug given | J0640 |
2,076 | More than most peers in Hematology/Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Bassam N. Maalouf is a hematology/oncology in O Fallon, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Bassam N. Maalouf is listed at 321 Regency Park Ste 100, O Fallon, IL 62269. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (618) 416-7970. Contact the office directly to confirm availability and scheduling.
NPI registry
Bassam N. Maalouf's National Provider Identifier is 1720173438. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Bassam N. Maalouf attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
Bassam N. Maalouf has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Bassam N. Maalouf performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of additional new drug or substance into vein and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Bassam N. Maalouf. If this is you, claiming it is free.
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