Dr. Eugene Joseph Van Leeuwen, MD
- Medicare services, 2024
- 1,454
- Medicare patients, 2024
- 127
- Part D claims, 2024
- 1,304
- Industry payments
- $380
- Affiliated sites
- 3
- Practice address
- 6000 S Mason-Montgomery Rd, Mason, OH 45040
- Practice phone
- Call (513) 701-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
GeneSight Lab
Clinical Lab - Full Service · Mason, Ohio
Find Dr. Van Leeuwen'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. Eugene Joseph Van Leeuwen is a psychiatrist in Mason, Ohio
Dr. Van Leeuwen practices at GeneSight Lab in Mason, Ohio.
Dr. Van Leeuwen's NPI, 1932117959, was assigned on August 4, 2006. Dr. Van Leeuwen graduated from Medical College of Ohio in 1986. Dr. Van Leeuwen holds Ohio license 35055807.
- NPI
- 1932117959NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032130281
- NPI enumeration date
- August 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (513) 701-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eugene Joseph Van Leeuwen practices at GeneSight Lab in Mason, Ohio
Dr. Van Leeuwen's primary practice is GeneSight Lab, at 6000 S Mason-Montgomery Rd, Mason, OH 45040. The practice phone is (513) 701-5000.
- GeneSight Lab6000 S Mason-Montgomery Rd, Mason, OH 45040Phone(513) 701-5000
Source: Dmand AI Affiliation Data
Dr. Eugene Joseph Van Leeuwen is affiliated with 3 sites of care and 1 medical group
Dr. Van Leeuwen's primary practice is GeneSight Lab in Mason, Ohio. Dmand AI also links Dr. Van Leeuwen to 1 physician office, 1 group practice or clinic and 1 medical group, 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. Eugene Joseph Van Leeuwen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Van Leeuwen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| GeneSight Lab | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eugene Joseph Van Leeuwen is one of 1,227 psychiatrists in Ohio
Psychiatry is Dr. Van Leeuwen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Van Leeuwen is licensed in Ohio.
Specialties and state licenses
- Psychiatry, OhioPrimary
Psychiatrists near Dr. Van Leeuwen
Counts of psychiatrists 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. Eugene Joseph Van Leeuwen billed Medicare for 1,454 services in 2024
CMS data shows 1,454 Medicare services from Dr. Van Leeuwen across 6 procedure codes in 2024, for 127 Medicare patients. Medicare paid $90,238 for them.
Dr. Van Leeuwen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8842024: 8267%
- Tests and treatments
- 2023: 5332024: 62818%
Where Dr. Van Leeuwen's Medicare services took place, 2024
- In an office92263%
- In a facility53237%
Dr. Van Leeuwen compared with the Ohio median for psychiatrists, 2024
- Dr. Van Leeuwen
- Ohio median
- Medicare services
- 1,454vs 13111.1 times
- Medicare patients
- 127vs 482.6 times
- Part D claims
- 1,167vs 2544.6 times
Medians across 1,320 psychiatrists in Ohio with Dmand AI profiles that report each measure.
Dr. Van Leeuwen'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. Van Leeuwen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Van Leeuwen and other psychiatrists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eugene Joseph Van Leeuwen treated 127 Medicare patients in 2024, average age 79
CMS counts 127 Medicare patients who saw Dr. Van Leeuwen in 2024. The largest group is 85 and over, with 46 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Van Leeuwen's median patient age at 66, with 65% women.
Dr. Van Leeuwen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Van Leeuwen's Medicare patients by sex, 2024
- Women10683%
- Men2117%
Chronic conditions among Dr. Van Leeuwen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Depression72%
- Arthritis58%
- Anxiety43%
- Alzheimer's and dementia37%
- Diabetes31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Van Leeuwen'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
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eugene Joseph Van Leeuwen wrote 1,304 Medicare Part D claims in 2024
In 2024, Dr. Van Leeuwen wrote 1,304 Medicare Part D claims for 116 patients. 98% of them were for generic drugs. CMS names the drug for 1,167 of them, across 30 drugs with 11 or more claims each, at $40,176 in total drug cost. In 2023, CMS named 1,374 claims across 31 drugs.
Dr. Van Leeuwen's Part D claims by kind of drug, 2024
- Generic1,284 claims98%
- Brand-name20 claims2%
Dr. Van Leeuwen'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. Van Leeuwen's Part D claims, 2024
- Antipsychotics, patients 65 and over11%146 of 1,304 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: 1,3742024: 1,16715%
Drugs named by CMS: 30 in 2024, 31 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
Dr. Eugene Joseph Van Leeuwen offers telehealth to Medicare patients
Dr. Van Leeuwen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Van Leeuwen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Eugene Joseph Van Leeuwen received $380 in industry payments from 2016 to 2025
CMS Open Payments shows 23 general payments to Dr. Van Leeuwen from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $204.
General payments to Dr. Van Leeuwen by program year, 2016 to 2025
Companies that paid Dr. Van Leeuwen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eugene Joseph Van Leeuwen graduated from Medical College of Ohio
Dr. Van Leeuwen graduated from Medical College of Ohio in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eugene Joseph Van Leeuwen'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Eugene Joseph Van Leeuwen
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. Eugene Joseph Van Leeuwen's NPI number?
Dr. Eugene Joseph Van Leeuwen's NPI number is 1932117959. It was assigned on August 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eugene Joseph Van Leeuwen?
Dr. Eugene Joseph Van Leeuwen is a psychiatrist in Mason, Ohio. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Eugene Joseph Van Leeuwen practice?
Dr. Van Leeuwen practices at 6000 S Mason-Montgomery Rd, Mason, OH 45040. Dr. Van Leeuwen's primary practice is GeneSight Lab in Mason, Ohio. Dmand AI also links Dr. Van Leeuwen to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Eugene Joseph Van Leeuwen's office phone number?
The practice phone on file for Dr. Van Leeuwen is (513) 701-5000.
What is Dr. Eugene Joseph Van Leeuwen's medical license number?
Dr. Van Leeuwen holds Ohio license 35055807.
Does Dr. Eugene Joseph Van Leeuwen accept Medicare?
Yes. CMS data shows Dr. Van Leeuwen billed Medicare for 1,454 services in 2024, and Dr. Van Leeuwen accepts Medicare assignment.
Does Dr. Eugene Joseph Van Leeuwen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Van Leeuwen as offering telehealth services.
How many Medicare patients does Dr. Eugene Joseph Van Leeuwen see?
CMS counts 127 Medicare patients who saw Dr. Van Leeuwen in 2024, with an average age of 79.
What services does Dr. Eugene Joseph Van Leeuwen bill to Medicare?
In 2024, Dr. Van Leeuwen's most billed Medicare services were psychiatric service (90836), office visit, established patient (99213) and nursing facility care (99308).
Where did Dr. Eugene Joseph Van Leeuwen go to medical school?
Dr. Van Leeuwen graduated from Medical College of Ohio in 1986.
Show 3 more questionsShow fewer questions
What drugs does Dr. Eugene Joseph Van Leeuwen prescribe most?
In 2024 Medicare Part D data, Dr. Van Leeuwen's most prescribed drugs by claims were Desvenlafaxine Succinate ER, Lorazepam and Clonazepam.
Has Dr. Eugene Joseph Van Leeuwen received payments from drug or device companies?
CMS Open Payments shows $380 in general payments to Dr. Van Leeuwen from 4 companies from 2016 to 2025. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Eugene Joseph Van Leeuwen been practicing?
Dr. Van Leeuwen graduated from medical school in 1986, 40 years ago.
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