Mahmoud Mahafzah, MD, PH.D
NPI 1134148091 · Hematology & Oncology Physician · Chicago Ridge, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahmoud Mahafzah, MD, PH.D is a Hematology & Oncology Physician provider in Chicago Ridge, IL (NPI 1134148091).
Provider details
- NPI number
- 1134148091
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- 036091528 (IL)
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
844 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 50 Minutes99233 | 209 | $122 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 178 | $129 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 111 | $186 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 101 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 81 | $81 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 106 | 27 |
| Letrozole | 63 | 17 |
| Dexamethasone | 62 | 19 |
| Warfarin Sodium | 46 | — |
| Hydroxyurea | 44 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 38 | — |
| Lenalidomidebrand: Revlimid | 38 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,352 across 62 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
- 2006-07-19
- Last updated
- 2019-07-26
Frequently asked questions
- What is Mahmoud Mahafzah's NPI number?
- Mahmoud Mahafzah's National Provider Identifier (NPI) is 1134148091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahmoud Mahafzah's specialty?
- Mahmoud Mahafzah is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mahmoud Mahafzah located?
- Mahmoud Mahafzah's practice location on file with NPPES is 10604 Southwest Hwy Ste 200, Chicago Ridge, IL 60415-2717.
- What is Mahmoud Mahafzah's phone number?
- The practice phone number listed in the NPPES registry for Mahmoud Mahafzah is (708) 424-9710.
- Does Mahmoud Mahafzah accept Medicare?
- Mahmoud Mahafzah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahmoud Mahafzah's NPI active?
- Yes — Mahmoud Mahafzah's NPI (1134148091) is active in the NPPES registry as of the last update on 2019-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.