Dr. John Joseph Leskovan, DO

  • Toledo, OH
  • General surgeon
NPI1184888208PAC ID9739337825
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
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Personal email
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Mobile number
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Social profiles

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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 and contact details
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.

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.

See all 12 affiliations for Dr. Leskovan

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.

EHR by site
SiteEHR vendor and product
Mercy Health - St. Vincent Medical CenterAvailable with a free account
+6 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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, OhioPrimaryLicense 34.010585 · taxonomy 208600000X

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.

Medicare services, 2024253
Medicare patients150
Paid by Medicare$26,670
Procedure codes5

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.

See all procedures by Dr. Leskovan

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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.

Medicare patients, 2024150
Average age76
Average risk score2.12
Also on Medicaid21%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis65%
  4. Ischemic heart disease49%
  5. Chronic kidney disease47%
  6. Diabetes43%
  7. Anxiety42%
  8. 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.

Papers7
Years published2020 to 2021

Dr. Leskovan's most frequent co-authors

Recent publications by Dr. Leskovan

See all 7 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Leskovan

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.

  1. Medical schoolOhio University, College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Joseph Leskovan'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 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).

Show 5 more questionsShow fewer questions

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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