Dr. Oleg Leontiev, MD

  • West Chester, PA
  • Diagnostic radiologist
NPI1235393760PAC ID0446494181
Medicare services, 2024
1,996
Medicare patients, 2024
1,755
Publications
2
Hospital affiliations
5
Industry payments
$144
Practice address
701 East Marshall Street, West Chester, PA 19380
Practice phone
Call (610) 431-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Chester County Hospital

Hospital · West Chester, Pennsylvania

See all 7 affiliations

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Dr. Oleg Leontiev is a diagnostic radiologist in West Chester, Pennsylvania

Dr. Leontiev practices at Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania.

Dr. Leontiev's NPI, 1235393760, was assigned on July 14, 2008. Dr. Leontiev graduated from University of California, San Diego School of Medicine in 2007. Dr. Leontiev holds Pennsylvania license MD443266.

NPI and contact details
Medicare PAC ID
0446494181
NPI enumeration date
July 14, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(610) 431-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

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

Dr. Oleg Leontiev practices at Chester County Hospital in West Chester, Pennsylvania

Dr. Leontiev's primary practice is Chester County Hospital, at 701 East Marshall Street, West Chester, PA 19380 in Chester County. The practice phone is (610) 431-5000.

Source: Dmand AI Affiliation Data

Dr. Oleg Leontiev is affiliated with 5 sites of care and 2 medical groups

Dr. Leontiev's primary practice is Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania. Dr. Leontiev is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Leontiev to 3 more hospitals and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Leontiev

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

Dmand AI tracks the EHR system at Dr. Oleg Leontiev's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leontiev practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Chester County HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Oleg Leontiev is one of 1,655 diagnostic radiologists in Pennsylvania

Diagnostic radiology is Dr. Leontiev's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Leontiev's licenses on file in 2 states: Pennsylvania and New Jersey.

Specialties and state licenses

  • Diagnostic radiology, PennsylvaniaPrimaryLicense MD443266 · taxonomy 2085R0202X
  • New Jersey licenseLicense 25MA10304300

Diagnostic radiologists near Dr. Leontiev

Counts of diagnostic radiologists 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. Oleg Leontiev billed Medicare for 1,996 services in 2024

CMS data shows 1,996 Medicare services from Dr. Leontiev across 41 procedure codes in 2024, for 1,755 Medicare patients. Medicare paid $81,289 for them.

Medicare services, 20241,996
Medicare patients1,755
Paid by Medicare$81,289
Procedure codes41

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

  • 2023
  • 2024
Imaging
2023: 1,6212024: 1,81212%
Surgery
2023: 1652024: 11133%
Other services
2023: 652024: 7312%

Where Dr. Leontiev's Medicare services took place, 2024

  • In an office1,37269%
  • In a facility62431%

Dr. Leontiev compared with the Pennsylvania median for diagnostic radiologists, 2024

  • Dr. Leontiev
  • Pennsylvania median
Medicare services
1,996vs 1,955Close to median
Medicare patients
1,755vs 1,40625% above

Medians across 1,606 diagnostic radiologists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Leontiev'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. Leontiev

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

Dr. Oleg Leontiev treated 1,755 Medicare patients in 2024, average age 74

CMS counts 1,755 Medicare patients who saw Dr. Leontiev in 2024. The largest group is 65 to 74, with 831 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.61, 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. Leontiev's median patient age at 68, with 58% women.

Medicare patients, 20241,755
Average age74
Average risk score1.61
Also on Medicaid6%

Dr. Leontiev's Medicare patients by age, 2024

Dr. Leontiev's Medicare patients by sex, 2024

  • Women1,10163%
  • Men65437%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis50%
  4. Ischemic heart disease35%
  5. Anxiety29%
  6. Diabetes29%
  7. Mood disorders29%
  8. Cancer28%

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

Dr. Leontiev's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women58%
  • Men41%

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

How Dr. Oleg Leontiev takes part in Medicare

Dr. Leontiev accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Oleg Leontiev has 2 publications on record

Dmand AI links 2 papers to Dr. Leontiev in 2013. 2013 was the busiest year, with 2. Dr. Leontiev's most frequent co-authors are Timothy William Ingraham Clark, MD, Jeffrey I. Mondschein, MD and Mandeep Sanat Dagli, MD.

Papers2

Dr. Leontiev's most frequent co-authors

Recent publications by Dr. Leontiev

See all 2 publications and co-authors

See who Dr. Leontiev researches with

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

How network discovery works

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

Dr. Oleg Leontiev received $144 in industry payments from 2016 to 2023

CMS Open Payments shows 6 general payments to Dr. Leontiev from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $54.

General payments to Dr. Leontiev by program year, 2016 to 2023

Companies that paid Dr. Leontiev the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Leontiev

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

Dr. Oleg Leontiev graduated from University of California, San Diego School of Medicine

Dr. Leontiev graduated from University of California, San Diego School of Medicine in 2007.

  1. Medical schoolUniversity of California, San Diego School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Oleg Leontiev'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)
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. Oleg Leontiev

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. Oleg Leontiev's NPI number?

Dr. Oleg Leontiev's NPI number is 1235393760. It was assigned on July 14, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Oleg Leontiev?

Dr. Oleg Leontiev is a diagnostic radiologist in West Chester, Pennsylvania. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Oleg Leontiev practice?

Dr. Leontiev practices at 701 East Marshall Street, West Chester, PA 19380. Dr. Leontiev's primary practice is Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Dr. Leontiev to 3 hospitals and 1 medical group.

What is Dr. Oleg Leontiev's office phone number?

The practice phone on file for Dr. Leontiev is (610) 431-5000.

What is Dr. Oleg Leontiev's medical license number?

Dr. Leontiev holds Pennsylvania license MD443266, one of the licenses on file in 2 states.

Which states has Dr. Oleg Leontiev been licensed in?

Dmand AI has state licenses on file for Dr. Leontiev in Pennsylvania and New Jersey.

Which hospitals is Dr. Oleg Leontiev affiliated with?

Dr. Leontiev practices at Chester County Hospital in West Chester, Pennsylvania. Dr. Leontiev is also affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Leontiev to 3 more hospitals.

What medical group is Dr. Oleg Leontiev part of?

Dr. Leontiev is linked to Penn Medicine Lancaster General Health. Dmand AI links Dr. Leontiev to 1 more medical group.

Does Dr. Oleg Leontiev accept Medicare?

Yes. CMS data shows Dr. Leontiev billed Medicare for 1,996 services in 2024, and Dr. Leontiev accepts Medicare assignment.

How many Medicare patients does Dr. Oleg Leontiev see?

CMS counts 1,755 Medicare patients who saw Dr. Leontiev in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

What services does Dr. Oleg Leontiev bill to Medicare?

In 2024, Dr. Leontiev's most billed Medicare services were radiation oncology (77063), radiation oncology (77067) and diagnostic imaging (71250).

Where did Dr. Oleg Leontiev go to medical school?

Dr. Leontiev graduated from University of California, San Diego School of Medicine in 2007.

Has Dr. Oleg Leontiev received payments from drug or device companies?

CMS Open Payments shows $144 in general payments to Dr. Leontiev from 6 companies from 2016 to 2023. The largest total came from Cook Medical LLC.

How long has Dr. Oleg Leontiev been practicing?

Dr. Leontiev graduated from medical school in 2007, 19 years ago.

Does Dr. Oleg Leontiev do research?

Dmand AI links 2 publications to Dr. Leontiev.

Who does Dr. Oleg Leontiev publish with?

Dr. Leontiev's most frequent co-authors are Timothy William Ingraham Clark, MD (2 shared papers), Jeffrey I. Mondschein, MD (2 shared papers) and Mandeep Sanat Dagli, MD (1 shared paper).

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