Dr. John Charles Leighton Jr., MD

  • Philadelphia, PA
  • Hematologist and oncologist
NPI1861461162PAC ID5597942680
Medicare services, 2024
706
Medicare patients, 2024
213
Part D claims, 2024
1,064
Publications
11
Clinical trials
4
Practice address
5501 Old York Road, Philadelphia, PA 19141
Practice phone
Call (215) 456-6090
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Jefferson Einstein Philadelphia Hospital

Hospital · Philadelphia, Pennsylvania

See all 3 affiliations

Find Dr. Leighton's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. John Charles Leighton Jr. is a hematologist and oncologist in Philadelphia, Pennsylvania

Dr. Leighton practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.

Dr. Leighton's NPI, 1861461162, was assigned on March 17, 2006. Dr. Leighton graduated from Temple University School of Medicine in 1989. Dr. Leighton holds Pennsylvania license MD045885L.

NPI and contact details
Medicare PAC ID
5597942680
NPI enumeration date
March 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(215) 456-6090
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Charles Leighton Jr. practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania

Dr. Leighton's primary practice is Jefferson Einstein Philadelphia Hospital, at 5501 Old York Road, Philadelphia, PA 19141 in Philadelphia County. The practice phone is (215) 456-6090.

Source: Dmand AI Affiliation Data

Dr. John Charles Leighton Jr. is affiliated with 2 sites of care and 1 medical group

Dr. Leighton's primary practice is Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. The medical group on file is Einstein Gastroenterology Associates. Dmand AI also links Dr. Leighton to 1 more dialysis center, named with a free account.

See all 3 affiliations for Dr. Leighton

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Charles Leighton Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leighton practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Jefferson Einstein Philadelphia HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Leighton practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Charles Leighton Jr. is one of 645 hematologists and oncologists in Pennsylvania

Hematology and oncology is Dr. Leighton's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Leighton is licensed in Pennsylvania.

Specialties and state licenses

  • Hematology and oncology, PennsylvaniaPrimaryLicense MD045885L · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Leighton

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Charles Leighton Jr. billed Medicare for 706 services in 2024

CMS data shows 706 Medicare services from Dr. Leighton across 10 procedure codes in 2024, for 213 Medicare patients. Medicare paid $60,598 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024706
Medicare patients213
Paid by Medicare$60,598
Procedure codes10

Dr. Leighton's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5582024: 5946%
Other services
2023: 02024: 96
Lab and pathology
2023: 02024: 16

Dr. Leighton compared with the Pennsylvania median for hematologists and oncologists, 2024

  • Dr. Leighton
  • Pennsylvania median
Medicare services
706vs 6548% above
Medicare patients
213vs 2276% below
Part D claims
835vs 3932.1 times

Medians across 600 hematologists and oncologists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Leighton's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Leighton

Need commercial claims for Dr. Leighton?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leighton and other hematologists and oncologists in Pennsylvania.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Charles Leighton Jr. treated 213 Medicare patients in 2024, average age 73

CMS counts 213 Medicare patients who saw Dr. Leighton in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Leighton's median patient age at 66, with 54% women.

Medicare patients, 2024213
Average age73
Average risk score2.69
Also on Medicaid33%

Dr. Leighton's Medicare patients by age, 2024

Dr. Leighton's Medicare patients by sex, 2024

  • Women10750%
  • Men10650%

Chronic conditions among Dr. Leighton's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Diabetes43%
  5. Ischemic heart disease43%
  6. Chronic kidney disease39%
  7. Cancer38%
  8. Mood disorders30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Leighton's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women54%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John Charles Leighton Jr. wrote 1,064 Medicare Part D claims in 2024

In 2024, Dr. Leighton wrote 1,064 Medicare Part D claims for 186 patients. 74% of them were for generic drugs. CMS names the drug for 835 of them, across 25 drugs with 11 or more claims each, at $1,857,439 in total drug cost. In 2023, CMS named 801 claims across 28 drugs.

Part D claims, 20241,064
Drugs named by CMS25
Total drug cost$1.9M
Part D patients186

Dr. Leighton's Part D claims by kind of drug, 2024

  • Generic792 claims74%
  • Brand-name272 claims26%

Dr. Leighton's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Leighton's Part D claims, 2024

  • Opioids10%103 of 1,064 claims
  • Antipsychotics, patients 65 and over6%66 of 1,064 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8012024: 8354%

Drugs named by CMS: 25 in 2024, 28 in 2023.

See all prescribing by Dr. Leighton

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. John Charles Leighton Jr. offers telehealth to Medicare patients

Dr. Leighton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Leighton as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find hematologists and oncologists like Dr. Leighton by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. John Charles Leighton Jr. has 11 publications on record

Dmand AI links 11 papers to Dr. Leighton, published from 2011 to 2020. 2013 was the busiest year, with 3. The most frequent topics are Antineoplastic Agents, Colorectal Neoplasms and Antibodies, Monoclonal, Humanized. Dr. Leighton has published most often in Cancer. Dr. Leighton's most frequent co-authors are William J. Tester, MD, Claudia Mattos Da Costa Dourado, MD and Rashmika Rushikesh Potdar, MD.

Papers11
Years published2011 to 2020

Dr. Leighton's papers by year, 2011 to 2020

Topics Dr. Leighton writes about most

  • Antineoplastic Agents
  • Colorectal Neoplasms
  • Antibodies, Monoclonal, Humanized
  • Antineoplastic Combined Chemotherapy Protocols
  • ErbB Receptors

Dr. Leighton's most frequent co-authors

Recent publications by Dr. Leighton

See all 11 publications and co-authors

See who Dr. Leighton researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leighton works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John Charles Leighton Jr. has worked on 4 clinical trials

Dmand AI links Dr. Leighton to 4 clinical trials, 2 of them phase 3 studies. 3 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Carcinoma, Bronchogenic and Carcinoma, Hepatocellular. National Cancer Institute (NCI) sponsors the most, 2.

Clinical trials with Dr. Leighton by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. 2Phase 3: 2 trials
  4. NonePhase 4: no trials

Conditions in Dr. Leighton's trials

  • Carcinoma, Non-Small-Cell Lung
  • Carcinoma, Bronchogenic
  • Carcinoma, Hepatocellular
  • Liver Neoplasms

Investigators on the most trials with Dr. Leighton

Recent clinical trials with Dr. Leighton

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. John Charles Leighton Jr. received $2,166 in industry payments from 2017 to 2025

CMS Open Payments shows 42 general payments to Dr. Leighton from 24 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 59% of the total. AstraZeneca Pharmaceuticals LP paid the most, $573.

General payments to Dr. Leighton by program year, 2017 to 2025

General payments to Dr. Leighton by kind, 2017 to 2025

$2.2Kin total
  • Food and beverage$1,27059%
  • Consulting fees$70032%
  • Education$1969%

Companies that paid Dr. Leighton the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Leighton

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Charles Leighton Jr. graduated from Temple University School of Medicine

Dr. Leighton graduated from Temple University School of Medicine in 1989.

  1. Medical schoolTemple University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Charles Leighton Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Charles Leighton Jr.

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John Charles Leighton Jr.'s NPI number?

Dr. John Charles Leighton Jr.'s NPI number is 1861461162. It was assigned on March 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Charles Leighton Jr.?

Dr. John Charles Leighton Jr. is a hematologist and oncologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. John Charles Leighton Jr. practice?

Dr. Leighton practices at 5501 Old York Road, Philadelphia, PA 19141. Dr. Leighton's primary practice is Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Dr. Leighton to 1 dialysis center.

What is Dr. John Charles Leighton Jr.'s office phone number?

The practice phone on file for Dr. Leighton is (215) 456-6090.

What is Dr. John Charles Leighton Jr.'s medical license number?

Dr. Leighton holds Pennsylvania license MD045885L.

Which hospitals is Dr. John Charles Leighton Jr. affiliated with?

Dr. Leighton practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania.

What medical group is Dr. John Charles Leighton Jr. part of?

Dr. Leighton is linked to Einstein Gastroenterology Associates.

Does Dr. John Charles Leighton Jr. accept Medicare?

Yes. CMS data shows Dr. Leighton billed Medicare for 706 services in 2024, and Dr. Leighton accepts Medicare assignment.

Does Dr. John Charles Leighton Jr. offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Leighton as offering telehealth services.

How many Medicare patients does Dr. John Charles Leighton Jr. see?

CMS counts 213 Medicare patients who saw Dr. Leighton in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

What services does Dr. John Charles Leighton Jr. bill to Medicare?

In 2024, Dr. Leighton's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and medicare service (G2211).

Where did Dr. John Charles Leighton Jr. go to medical school?

Dr. Leighton graduated from Temple University School of Medicine in 1989.

What drugs does Dr. John Charles Leighton Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Leighton's most prescribed drugs by claims were Prednisone, Abiraterone Acetate and Olanzapine.

Has Dr. John Charles Leighton Jr. received payments from drug or device companies?

CMS Open Payments shows $2,166 in general payments to Dr. Leighton from 24 companies from 2017 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. John Charles Leighton Jr. been practicing?

Dr. Leighton graduated from medical school in 1989, 37 years ago.

Does Dr. John Charles Leighton Jr. do research?

Dmand AI links 11 publications to Dr. Leighton, published from 2011 to 2020. Dr. Leighton has worked on 4 clinical trials.

Who does Dr. John Charles Leighton Jr. publish with?

Dr. Leighton's most frequent co-authors are William J. Tester, MD (3 shared papers), Claudia Mattos Da Costa Dourado, MD (2 shared papers) and Rashmika Rushikesh Potdar, MD (2 shared papers).

Selling to hematology and oncology practices?

See hematologists and oncologists in Pennsylvania by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)