JOHN A YOUSSEF (MD) – Hematology & Oncology Physician, NPI 1851346472
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,967 INTERNAL MEDICINE in PA
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Provider Addresses for JOHN A YOUSSEF (MD)
Middletown Boulevard, Langhorne Gardens, Middletown Township, Bucks County, Pennsylvania, 19030-4005, United States
LANGHORNE, PA 190471832
Phone: (215) 752-2424
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $47.
Total Amount is formed as General ($47) + Research ($0) + Ownership ($0) = $47.
Last reported payment date: 2024-05-06 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($47).
Total Amount
$47
General + Research + Ownership
Payments
2
Total payment records
General Amount
$47
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $47 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-09-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20060921000395 | I | Hematology/Oncology | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J1439 | Injection, ferric carboxymaltose, 1 mg | 77,039 | 96 | $0 |
| J9144 | Injection, daratumumab, 10 mg and hyaluronidase-fihj | 5,940 | 12 | $0 |
| J1453 | Injection, fosaprepitant, 1 mg | 4,350 | 18 | $0 |
| J0897 | Injection, denosumab, 1 mg | 2,880 | 25 | $0 |
| J0885 | Injection, epoetin alfa, (for non-esrd use), 1000 units | 1,840 | 22 | $0 |
Insurance plans in this area (ZIP 19047)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | PA | 96415 | Infusion of chemotherapy into a vein | 63 | 19 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | PA | |
| Pulmonary Disease | PA | |
| Critical Care (Intensivists), Internal Medicine, Pulmonary Disease | PA | |
| Nurse Practitioner | PA | |
| - | PA | |
| - | PA | |
| Emergency Medicine | PA | |
| Nurse Practitioner | PA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | PA | |
| Nurse Practitioner | PA |
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