Wassim Mchayleh, MD
NPI 1093988487 · Hematology & Oncology Physician · Altamonte Springs, FL
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wassim Mchayleh, MD is a Hematology & Oncology Physician provider in Altamonte Springs, FL (NPI 1093988487).
Provider details
- NPI number
- 1093988487
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD432485 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
18 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
1,482 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 635 | $124 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 242 | $175 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 195 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 170 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 86 | $116 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 659 | 225 |
| Tamoxifen Citrate | 181 | 63 |
| Anastrozole | 126 | 47 |
| Ondansetron Hcl | 87 | 63 |
| Prochlorperazine Maleate | 68 | 45 |
| Gabapentin | 67 | 23 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 63 | 21 |
| Palbociclib |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$278,776 across 228 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
- 2008-04-08
- Last updated
- 2020-02-12
- Certified
- 2020-02-12
Frequently asked questions
- What is Wassim Mchayleh's NPI number?
- Wassim Mchayleh's National Provider Identifier (NPI) is 1093988487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wassim Mchayleh's specialty?
- Wassim Mchayleh is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Wassim Mchayleh located?
- Wassim Mchayleh's practice location on file with NPPES is 894 E Altamonte Dr, Altamonte Springs, FL 32701-5002.
- What is Wassim Mchayleh's phone number?
- The practice phone number listed in the NPPES registry for Wassim Mchayleh is (407) 834-5151.
- Does Wassim Mchayleh accept Medicare?
- Wassim Mchayleh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wassim Mchayleh's NPI active?
- Yes — Wassim Mchayleh's NPI (1093988487) is active in the NPPES registry as of the last update on 2020-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.