Dr. John R. Leisey, MD
- Medicare services, 2024
- 839
- Medicare patients, 2024
- 792
- Part D claims, 2024
- 267
- Hospital affiliations
- 1
- Industry payments
- $134
- Practice address
- 555 North Duke Street, Lancaster, PA 17602
- Practice phone
- Call (717) 544-5511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leisey'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.
Dr. John R. Leisey is an emergency medicine physician in Lancaster, Pennsylvania
Dr. Leisey practices at Lancaster General Hospital in Lancaster, Pennsylvania, part of University of Pennsylvania.
Dr. Leisey's NPI, 1932186236, was assigned on December 28, 2005. Dr. Leisey holds Pennsylvania license MD423156.
- NPI
- 1932186236NPI Registry (opens in a new tab)
- NPI enumeration date
- December 28, 2005
- NPI status
- Active
- Practice phone
- (717) 544-5511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John R. Leisey practices at Lancaster General Hospital in Lancaster, Pennsylvania
Dr. Leisey's primary practice is Lancaster General Hospital, at 555 North Duke Street, Lancaster, PA 17602 in Lancaster County. The practice phone is (717) 544-5511.
- Lancaster General Hospital555 North Duke Street, Lancaster, PA 17602 · Lancaster CountyPhone(717) 544-5511
Source: Dmand AI Affiliation Data
Dr. John R. Leisey is affiliated with 2 sites of care and 1 medical group
Dr. Leisey's primary practice is Lancaster General Hospital in Lancaster, Pennsylvania, part of University of Pennsylvania. The medical group on file is Lancaster Emergency Associates. Dmand AI also links Dr. Leisey to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John R. Leisey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leisey practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lancaster General Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John R. Leisey is one of 2,549 emergency medicine physicians in Pennsylvania
Emergency medicine is Dr. Leisey's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Leisey is licensed in Pennsylvania.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
Emergency medicine physicians near Dr. Leisey
Counts of emergency medicine physicians 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 R. Leisey billed Medicare for 839 services in 2024
CMS data shows 839 Medicare services from Dr. Leisey across 5 procedure codes in 2024, for 792 Medicare patients. Medicare paid $101,736 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leisey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7902024: 8234%
- Tests and treatments
- 2023: 142024: 1614%
Dr. Leisey compared with the Pennsylvania median for emergency medicine physicians, 2024
- Dr. Leisey
- Pennsylvania median
- Medicare services
- 839vs 2433.5 times
- Medicare patients
- 792vs 2333.4 times
- Part D claims
- 173vs 404.3 times
Medians across 2,501 emergency medicine physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Leisey'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leisey and other emergency medicine physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Leisey treated 792 Medicare patients in 2024, average age 77
CMS counts 792 Medicare patients who saw Dr. Leisey in 2024. The largest group is 75 to 84, with 281 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.87, 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. Leisey's median patient age at 51, with 53% women.
Dr. Leisey's Medicare patients by age, 2024
Dr. Leisey's Medicare patients by sex, 2024
- Women42454%
- Men36846%
Chronic conditions among Dr. Leisey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Chronic kidney disease47%
- Ischemic heart disease41%
- Mood disorders41%
- Anxiety39%
- Diabetes38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leisey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John R. Leisey wrote 267 Medicare Part D claims in 2024
In 2024, Dr. Leisey wrote 267 Medicare Part D claims for 207 patients. 95% of them were for generic drugs. CMS names the drug for 173 of them, across 8 drugs with 11 or more claims each, at $1,309 in total drug cost. In 2023, CMS named 142 claims across 7 drugs.
Dr. Leisey's Part D claims by kind of drug, 2024
- Generic253 claims95%
- Brand-name14 claims5%
Dr. Leisey'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. Leisey's Part D claims, 2024
- Opioids7%19 of 267 claims
- Antibiotics51%137 of 267 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: 1422024: 17322%
Drugs named by CMS: 8 in 2024, 7 in 2023.
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
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Dr. John R. Leisey received $134 in industry payments from 2020 to 2024
CMS Open Payments shows 8 general payments to Dr. Leisey from 1 drug or device company from 2020 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $134.
General payments to Dr. Leisey by program year, 2020 to 2024
Companies that paid Dr. Leisey the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John R. Leisey's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John R. Leisey
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 R. Leisey's NPI number?
Dr. John R. Leisey's NPI number is 1932186236. It was assigned on December 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Leisey?
Dr. John R. Leisey is an emergency medicine physician in Lancaster, Pennsylvania. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. John R. Leisey practice?
Dr. Leisey practices at 555 North Duke Street, Lancaster, PA 17602. Dr. Leisey's primary practice is Lancaster General Hospital in Lancaster, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Dr. Leisey to 1 group practice or clinic.
What is Dr. John R. Leisey's office phone number?
The practice phone on file for Dr. Leisey is (717) 544-5511.
What is Dr. John R. Leisey's medical license number?
Dr. Leisey holds Pennsylvania license MD423156.
Which hospitals is Dr. John R. Leisey affiliated with?
Dr. Leisey practices at Lancaster General Hospital in Lancaster, Pennsylvania.
What medical group is Dr. John R. Leisey part of?
Dr. Leisey is linked to Lancaster Emergency Associates.
Does Dr. John R. Leisey accept Medicare?
Yes. CMS data shows Dr. Leisey billed Medicare for 839 services in 2024.
How many Medicare patients does Dr. John R. Leisey see?
CMS counts 792 Medicare patients who saw Dr. Leisey in 2024, with an average age of 77.
What services does Dr. John R. Leisey bill to Medicare?
In 2024, Dr. Leisey's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
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What drugs does Dr. John R. Leisey prescribe most?
In 2024 Medicare Part D data, Dr. Leisey's most prescribed drugs by claims were Cephalexin, Azithromycin and Prednisone.
Has Dr. John R. Leisey received payments from drug or device companies?
CMS Open Payments shows $134 in general payments to Dr. Leisey from 1 company from 2020 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. John R. Leisey been practicing?
Dr. Leisey's NPI was assigned in 2005.
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