Dr. John Joseph Leskovan, DO
- Medicare services, 2024
- 253
- Medicare patients, 2024
- 150
- Publications
- 7
- Hospital affiliations
- 3
- Industry payments
- $1,678
- Practice address
- 2213 Cherry Street, Toledo, OH 43608
- Practice phone
- Call (419) 251-3232
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leskovan'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 Joseph Leskovan is a general surgeon in Toledo, Ohio
Dr. Leskovan practices at Mercy Health - St. Vincent Medical Center in Toledo, Ohio, part of Bon Secours Mercy Health.
Dr. Leskovan's NPI, 1184888208, was assigned on July 17, 2008. Dr. Leskovan graduated from Ohio University, College of Osteopathic Medicine in 2011. Dr. Leskovan holds Ohio license 34.010585.
- NPI
- 1184888208NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739337825
- NPI enumeration date
- July 17, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 251-3232
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Joseph Leskovan practices at Mercy Health - St. Vincent Medical Center in Toledo, Ohio
Dr. Leskovan's primary practice is Mercy Health - St. Vincent Medical Center, at 2213 Cherry Street, Toledo, OH 43608 in Lucas County. The practice phone is (419) 251-3232.
- Mercy Health - St. Vincent Medical Center2213 Cherry Street, Toledo, OH 43608 · Lucas CountyPhone(419) 251-3232
Source: Dmand AI Affiliation Data
Dr. John Joseph Leskovan is affiliated with 7 sites of care and 5 medical groups
Dr. Leskovan's primary practice is Mercy Health - St. Vincent Medical Center in Toledo, Ohio, part of Bon Secours Mercy Health. Dr. Leskovan is also affiliated with University of Toledo Medical Center. The medical group on file is Mercy Health Physicians. Dmand AI also links Dr. Leskovan to 1 more hospital, 4 group practices and clinics and 4 medical groups, each 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 Joseph Leskovan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leskovan practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Health - St. Vincent Medical Center | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Joseph Leskovan is one of 1,056 general surgeons in Ohio
Surgery is Dr. Leskovan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Leskovan is licensed in Ohio.
Specialties and state licenses
- Surgery, OhioPrimary
General surgeons near Dr. Leskovan
Counts of general surgeons 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 Joseph Leskovan billed Medicare for 253 services in 2024
CMS data shows 253 Medicare services from Dr. Leskovan across 5 procedure codes in 2024, for 150 Medicare patients. Medicare paid $26,670 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leskovan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1882024: 25335%
Dr. Leskovan compared with the Ohio median for general surgeons, 2024
- Dr. Leskovan
- Ohio median
- Medicare services
- 253vs 16851% above
- Medicare patients
- 150vs 12718% above
Medians across 1,031 general surgeons in Ohio with Dmand AI profiles that report each measure.
Dr. Leskovan'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.
Need commercial claims for Dr. Leskovan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leskovan and other general surgeons in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Joseph Leskovan treated 150 Medicare patients in 2024, average age 76
CMS counts 150 Medicare patients who saw Dr. Leskovan in 2024. The largest group is 75 to 84, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.12, 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. Leskovan's median patient age at 62, with 46% women.
Dr. Leskovan's Medicare patients by age, 2024
Dr. Leskovan's Medicare patients by sex, 2024
- Women8557%
- Men6543%
Chronic conditions among Dr. Leskovan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Ischemic heart disease49%
- Chronic kidney disease47%
- Diabetes43%
- Anxiety42%
- Heart failure41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leskovan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John Joseph Leskovan takes part in Medicare
Dr. Leskovan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Joseph Leskovan has 7 publications on record
Dmand AI links 7 papers to Dr. Leskovan, published from 2020 to 2021. 2020 was the busiest year, with 3. Dr. Leskovan has published most often in Am Surg. Dr. Leskovan's most frequent co-authors are John A. Bach, MD, Rachel L. Novakovic, MD and Farjana Alam, MD.
Dr. Leskovan's most frequent co-authors
Recent publications by Dr. Leskovan
J Healthc Risk Manag
See who Dr. Leskovan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leskovan works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Joseph Leskovan received $1,678 in industry payments from 2016 to 2024
CMS Open Payments shows 16 general payments to Dr. Leskovan from 9 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $979.
General payments to Dr. Leskovan by program year, 2016 to 2024
Companies that paid Dr. Leskovan the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Joseph Leskovan graduated from Ohio University, College of Osteopathic Medicine
Dr. Leskovan graduated from Ohio University, College of Osteopathic Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Joseph Leskovan'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Joseph Leskovan
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 Joseph Leskovan's NPI number?
Dr. John Joseph Leskovan's NPI number is 1184888208. It was assigned on July 17, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. John Joseph Leskovan?
Dr. John Joseph Leskovan is a general surgeon in Toledo, Ohio. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Joseph Leskovan practice?
Dr. Leskovan practices at 2213 Cherry Street, Toledo, OH 43608. Dr. Leskovan's primary practice is Mercy Health - St. Vincent Medical Center in Toledo, Ohio, part of Bon Secours Mercy Health. Dmand AI also links Dr. Leskovan to 1 hospital, 4 group practices and clinics and 4 medical groups.
What is Dr. John Joseph Leskovan's office phone number?
The practice phone on file for Dr. Leskovan is (419) 251-3232.
What is Dr. John Joseph Leskovan's medical license number?
Dr. Leskovan holds Ohio license 34.010585.
Which hospitals is Dr. John Joseph Leskovan affiliated with?
Dr. Leskovan practices at Mercy Health - St. Vincent Medical Center in Toledo, Ohio. Dr. Leskovan is also affiliated with University of Toledo Medical Center. Dmand AI links Dr. Leskovan to 1 more hospital.
What medical group is Dr. John Joseph Leskovan part of?
Dr. Leskovan is linked to Mercy Health Physicians. Dmand AI links Dr. Leskovan to 4 more medical groups.
Does Dr. John Joseph Leskovan accept Medicare?
Yes. CMS data shows Dr. Leskovan billed Medicare for 253 services in 2024, and Dr. Leskovan accepts Medicare assignment.
How many Medicare patients does Dr. John Joseph Leskovan see?
CMS counts 150 Medicare patients who saw Dr. Leskovan in 2024, with an average age of 76.
What services does Dr. John Joseph Leskovan bill to Medicare?
In 2024, Dr. Leskovan's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99233).
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Where did Dr. John Joseph Leskovan go to medical school?
Dr. Leskovan graduated from Ohio University, College of Osteopathic Medicine in 2011.
Has Dr. John Joseph Leskovan received payments from drug or device companies?
CMS Open Payments shows $1,678 in general payments to Dr. Leskovan from 9 companies from 2016 to 2024. The largest total came from Inari Medical, Inc.
How long has Dr. John Joseph Leskovan been practicing?
Dr. Leskovan graduated from medical school in 2011, 15 years ago.
Does Dr. John Joseph Leskovan do research?
Dmand AI links 7 publications to Dr. Leskovan, published from 2020 to 2021.
Who does Dr. John Joseph Leskovan publish with?
Dr. Leskovan's most frequent co-authors are John A. Bach, MD (2 shared papers), Rachel L. Novakovic, MD (2 shared papers) and Farjana Alam, MD (1 shared paper).
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