John Charles Leighton, MD
Hematology & Oncology Physician · Philadelphia, PA
John Charles Leighton, MD is a hematology & oncology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1861461162, issued on Mar 17, 2006. Check the license (Pennsylvania MD045885L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John Charles Leighton
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD045885L PA
Self-reported in NPPES; status is on the state search - Practice location
- 5501 Old York Road, Philadelphia, PA 19141
- Phone
- (215) 456-3880
- Enumerated
- Mar 17, 2006
- Record last updated
- Mar 14, 2023
- Fax
- (215) 456-3437
- Medicaid ID
- 0015447690003 PA
- Medicare enrollment
- Enrolled (PECOS I20110526000320); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1989
- 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 5501 Old York Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Charles Leighton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD045885LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,064 Medicare Part D claims for 186 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 103 claims were for opioids.
Most prescribed
- Prednisone112 claims
- Abiraterone Acetate84 claims
- Olanzapine74 claims
- Anastrozole73 claims
- Eliquis71 claims
- Oxycodone Hcl62 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.
Industry payments in 2024: $1,266.77
17 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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 one group practice
- Einstein Practice Plan IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Charles Leighton among 784 hematology & oncology physician records in Pennsylvania
John Charles Leighton, 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
- Graduated1989 · median 2004 among the 553 with a school on file
- Record last updated2023 · 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 Philadelphia → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ajit Desai, MDPhiladelphia, PA 191411447210059
- Minal Dhamankar, M.D.Philadelphia, PA 191411154651917
- Claudia Dourado, M.D.Philadelphia, PA 191411376608422
- Alan Friedman, MDPhiladelphia, PA 191411952361487
- Mark Morginstin, DOPhiladelphia, PA 191411124000278
- Jeffrey Stevens, D.O.Philadelphia, PA 191411659371383
- Alankrita Taneja, MDPhiladelphia, PA 191411346746773
- Kenneth Mangan, MDPhiladelphia, PA 191401740278829
Common questions
What is John Charles Leighton, MD's NPI number?
John Charles Leighton, MD's National Provider Identifier (NPI) is 1861461162, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Charles Leighton, MD located?
The NPPES record lists a practice address at 5501 Old York Road, Philadelphia, PA, 19141. Phone: (215) 456-3880. Providers update this record themselves, so call before visiting.
How can I verify John Charles Leighton, MD's license?
NPPES lists Pennsylvania license number MD045885L, 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 Charles Leighton, MD prescribe under Medicare Part D?
In 2024, John Charles Leighton, MD had 1,064 Medicare Part D claims for 186 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.