Dr. John Leonard D'Souza, MD
- Medicare services, 2024
- 86,106
- Medicare patients, 2024
- 3,218
- Part D claims, 2024
- 28
- Industry payments
- $158
- Affiliated sites
- 2
- Practice address
- 4235 Secor Road, Toledo, OH 43623
- Practice phone
- Call (419) 479-5650
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Toledo Clinic Secor Road Ambulatory Surgery Center
Surgery Center - Medicare-Certified · Toledo, Ohio
Find Dr. D'Souza'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 Leonard D'Souza is a diagnostic radiologist in Toledo, Ohio
Dr. D'Souza practices at The Toledo Clinic Secor Road Ambulatory Surgery Center in Toledo, Ohio.
Dr. D'Souza's NPI, 1770504318, was assigned on July 21, 2006. Dr. D'Souza graduated from State University of New York at Buffalo School of Medicine in 1994. Dr. D'Souza holds Ohio license 35079797D.
- NPI
- 1770504318NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810893658
- NPI enumeration date
- July 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 479-5650
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Leonard D'Souza practices at The Toledo Clinic Secor Road Ambulatory Surgery Center in Toledo, Ohio
Dr. D'Souza's primary practice is The Toledo Clinic Secor Road Ambulatory Surgery Center, at 4235 Secor Road, Toledo, OH 43623. The practice phone is (419) 479-5650.
- The Toledo Clinic Secor Road Ambulatory Surgery Center4235 Secor Road, Toledo, OH 43623Phone(419) 479-5650
Source: Dmand AI Affiliation Data
Dr. John Leonard D'Souza is affiliated with 2 sites of care and 6 medical groups
Dr. D'Souza's primary practice is The Toledo Clinic Secor Road Ambulatory Surgery Center in Toledo, Ohio. The medical group on file is The Toledo Clinic. Dmand AI also links Dr. D'Souza to 5 more medical groups and 1 group practice or clinic, each named with a free account. Dr. D'Souza's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Leonard D'Souza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. D'Souza practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Toledo Clinic Secor Road Ambulatory Surgery Center | Available with a free account |
| +1 more site and 5 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Leonard D'Souza is one of 1,478 diagnostic radiologists in Ohio
Diagnostic radiology is Dr. D'Souza's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. D'Souza is licensed in Ohio.
Specialties and state licenses
- Diagnostic radiology, OhioPrimary
Diagnostic radiologists near Dr. D'Souza
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. John Leonard D'Souza billed Medicare for 86,106 services in 2024
CMS data shows 86,106 Medicare services from Dr. D'Souza across 73 procedure codes in 2024, for 3,218 Medicare patients. Medicare paid $652,285 for them. Every service was in an office.
Dr. D'Souza's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 77,7842024: 81,1264%
- Imaging
- 2023: 4,5812024: 4,9538%
- Tests and treatments
- 2023: 442024: 2739%
- Drugs given in the office
- 2023: 182024: 0100%
- Surgery
- 2023: 192024: 0100%
Dr. D'Souza compared with the Ohio median for diagnostic radiologists, 2024
- Dr. D'Souza
- Ohio median
- Medicare services
- 86,106vs 1,76848.7 times
- Medicare patients
- 3,218vs 1,5322.1 times
Medians across 1,619 diagnostic radiologists in Ohio with Dmand AI profiles that report each measure.
Dr. D'Souza'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. D'Souza?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. D'Souza and other diagnostic radiologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Leonard D'Souza treated 3,218 Medicare patients in 2024, average age 74
CMS counts 3,218 Medicare patients who saw Dr. D'Souza in 2024. The largest group is 65 to 74, with 1,674 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. D'Souza's median patient age at 69, with 52% women.
Dr. D'Souza's Medicare patients by age, 2024
Dr. D'Souza's Medicare patients by sex, 2024
- Women2,06264%
- Men1,15636%
Chronic conditions among Dr. D'Souza's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Chronic kidney disease31%
- Diabetes31%
- Ischemic heart disease27%
- Mood disorders27%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Dr. D'Souza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Leonard D'Souza wrote 28 Medicare Part D claims in 2024
In 2024, Dr. D'Souza wrote 28 Medicare Part D claims. 93% of them were for generic drugs.
Dr. D'Souza's Part D claims by kind of drug, 2024
- Generic26 claims93%
- Brand-name and other2 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. John Leonard D'Souza takes part in Medicare
Dr. D'Souza 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Leonard D'Souza received $158 in industry payments from 2016 to 2024
CMS Open Payments shows 7 general payments to Dr. D'Souza from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 98% of the total. Bristol-Myers Squibb Company paid the most, $78.
General payments to Dr. D'Souza by program year, 2016 to 2024
General payments to Dr. D'Souza by kind, 2016 to 2024
- Food and beverage$15598%
- Education$32%
Companies that paid Dr. D'Souza 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 Leonard D'Souza graduated from State University of New York at Buffalo School of Medicine
Dr. D'Souza graduated from State University of New York at Buffalo School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Leonard D'Souza'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 (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. John Leonard D'Souza
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 Leonard D'Souza's NPI number?
Dr. John Leonard D'Souza's NPI number is 1770504318. It was assigned on July 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Leonard D'Souza?
Dr. John Leonard D'Souza is a diagnostic radiologist in Toledo, Ohio. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John Leonard D'Souza practice?
Dr. D'Souza practices at 4235 Secor Road, Toledo, OH 43623. Dr. D'Souza's primary practice is The Toledo Clinic Secor Road Ambulatory Surgery Center in Toledo, Ohio. Dmand AI also links Dr. D'Souza to 5 medical groups and 1 group practice or clinic.
What is Dr. John Leonard D'Souza's office phone number?
The practice phone on file for Dr. D'Souza is (419) 479-5650.
What is Dr. John Leonard D'Souza's medical license number?
Dr. D'Souza holds Ohio license 35079797D.
What medical group is Dr. John Leonard D'Souza part of?
Dr. D'Souza is linked to The Toledo Clinic. Dmand AI links Dr. D'Souza to 5 more medical groups.
Does Dr. John Leonard D'Souza accept Medicare?
Yes. CMS data shows Dr. D'Souza billed Medicare for 86,106 services in 2024, and Dr. D'Souza accepts Medicare assignment.
How many Medicare patients does Dr. John Leonard D'Souza see?
CMS counts 3,218 Medicare patients who saw Dr. D'Souza in 2024, with an average age of 74.
What services does Dr. John Leonard D'Souza bill to Medicare?
In 2024, Dr. D'Souza's most billed Medicare services were medical supplies or transport (A9575), medicare temporary code (Q9967) and radiation oncology (77067).
Where did Dr. John Leonard D'Souza go to medical school?
Dr. D'Souza graduated from State University of New York at Buffalo School of Medicine in 1994.
Has Dr. John Leonard D'Souza received payments from drug or device companies?
CMS Open Payments shows $158 in general payments to Dr. D'Souza from 5 companies from 2016 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. John Leonard D'Souza been practicing?
Dr. D'Souza graduated from medical school in 1994, 32 years ago.
Selling to diagnostic radiology practices?
See diagnostic radiologists in Ohio by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card