Mazen Khattab, MD
NPI 1205804283 · Hematology & Oncology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mazen Khattab, MD is a Hematology & Oncology Physician provider in Phoenix, AZ (NPI 1205804283).
Provider details
- NPI number
- 1205804283
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 42859 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
14,606 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 5,138 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 4,054 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 915 | $124 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 851 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 488 | $88 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 189 | 55 |
| Letrozole | 138 | 62 |
| Anastrozole | 124 | 55 |
| Rivaroxabanbrand: Xarelto | 89 | 21 |
| Levothyroxine Sodium | 52 | 23 |
| Prednisone | 41 | 18 |
| Ondansetron Hcl | 38 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,778 across 231 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
- 2006-03-08
- Last updated
- 2023-09-11
- Certified
- 2023-09-11
Frequently asked questions
- What is Mazen Khattab's NPI number?
- Mazen Khattab's National Provider Identifier (NPI) is 1205804283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mazen Khattab's specialty?
- Mazen Khattab is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mazen Khattab located?
- Mazen Khattab's practice location on file with NPPES is 2925 W Rose Garden Ln Ste 110, Phoenix, AZ 85027-3135.
- What is Mazen Khattab's phone number?
- The practice phone number listed in the NPPES registry for Mazen Khattab is (623) 265-7215.
- Does Mazen Khattab accept Medicare?
- Mazen Khattab is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mazen Khattab's NPI active?
- Yes — Mazen Khattab's NPI (1205804283) is active in the NPPES registry as of the last update on 2023-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.