John A. Youssef, MD
Hematology & Oncology Physician · Langhorne, PA
John A. Youssef, MD is a hematology & oncology physician with a practice address in Langhorne, Pennsylvania, and NPI 1851346472, issued on May 23, 2006. Check the license (Pennsylvania MD428432, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John A. Youssef
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD428432 PA
Self-reported in NPPES; status is on the state search - Practice location
- 240 Middletown Blvd Ste 205, Langhorne, PA 19047
- Phone
- (215) 752-2424
- Enumerated
- May 23, 2006
- Record last updated
- May 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060921000395); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Also registered at 240 Middletown Blvd Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ian Garrahy, D.O.Medical Oncology Physician1124552435
- Youval Katz, MD, MSHematology & Oncology Physician1609052174
- Rachel Klinger, CRNPGerontology Nurse Practitioner1275091803
- Sparsha Kukunoor, MDHematology & Oncology Physician1942557574
- Carlin McLaughlin, DOHematology & Oncology Physician1528030848
- Jennifer Torres, CRNPPrimary Care Nurse Practitioner1598361016
Verify John A. Youssef in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD428432Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
332 Medicare Part D claims for 107 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Lenalidomide61 claims
- Eliquis58 claims
- Revlimid20 claims
- Xarelto17 claims
- Anastrozole15 claims
- Fluorouracil13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.70
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Clinical Care Associates OF The University OF Pennsylvania Health.Langhorne, PA
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John A. Youssef among 784 hematology & oncology physician records in Pennsylvania
John A. Youssef, MD is one of 784 hematology & oncology physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2000 · median 2004 among the 553 with a school on file
- Record last updated2019 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Pennsylvania
There are 784 hematology & oncology physician records in Pennsylvania.
All 784 in Pennsylvania → Every provider in Langhorne → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Youval Katz, MD, MSLanghorne, PA 190471609052174
- Sparsha Kukunoor, MDLanghorne, PA 190471942557574
- Ajay Kumar, MDLanghorne, PA 190471376831859
- Daniel Lebovic, MDLanghorne, PA 190471568645950
- Michael Mann, DOLanghorne, PA 190471649242009
- Carlin McLaughlin, DOLanghorne, PA 190471528030848
- Alexander Ostrovsky, MDLanghorne, PA 190471548310238
- Robert Reilly, DOLanghorne, PA 190471124178819
Common questions
What is John A. Youssef, MD's NPI number?
John A. Youssef, MD's National Provider Identifier (NPI) is 1851346472, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John A. Youssef, MD located?
The NPPES record lists a practice address at 240 Middletown Blvd Ste 205, Langhorne, PA, 19047. Phone: (215) 752-2424. Providers update this record themselves, so call before visiting.
How can I verify John A. Youssef, MD's license?
NPPES lists Pennsylvania license number MD428432, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John A. Youssef, MD prescribe under Medicare Part D?
In 2024, John A. Youssef, MD had 332 Medicare Part D claims for 107 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is John A. Youssef, MD's MIPS final score?
The 2023 MIPS final score is 86.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.