Dr. Joseph Leonard Maddi, MD
- Medicare services, 2024
- 42
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 2,418
- Industry payments
- $80
- Affiliated sites
- 2
- Practice address
- 2605 Harlem Rd, Cheektowaga, NY 14225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Joseph Campus - Gi Endoscopy - Gi Endoscopy - HOPD
Acute Care Hospital outpatient department · Cheektowaga, New York
Find Dr. Maddi'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. Joseph Leonard Maddi is a cardiologist in Buffalo, New York
Dr. Maddi practices at St. Joseph Campus - Gi Endoscopy - Gi Endoscopy - HOPD in Cheektowaga, New York.
Dr. Maddi's NPI, 1992761266, was assigned on April 25, 2006. Dr. Maddi graduated from Universidad del Noreste in 1980. Dr. Maddi holds New York license 149577-1.
- NPI
- 1992761266NPI Registry (opens in a new tab)
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joseph Leonard Maddi practices at St. Joseph Campus - Gi Endoscopy - Gi Endoscopy - HOPD in Cheektowaga, New York
Dr. Maddi's primary practice is St. Joseph Campus - Gi Endoscopy - Gi Endoscopy - HOPD, at 2605 Harlem Rd, Cheektowaga, NY 14225.
- St. Joseph Campus - Gi Endoscopy - Gi Endoscopy - HOPD2605 Harlem Rd, Cheektowaga, NY 14225
Source: Dmand AI Affiliation Data
Dr. Joseph Leonard Maddi is affiliated with 2 sites of care
Dr. Maddi's primary practice is St. Joseph Campus - Gi Endoscopy - Gi Endoscopy - HOPD in Cheektowaga, New York. Dmand AI also links Dr. Maddi to 1 physician office, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Joseph Leonard Maddi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maddi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Joseph Campus - Gi Endoscopy - Gi Endoscopy - HOPD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Leonard Maddi is one of 2,265 cardiologists in New York
Cardiovascular disease is Dr. Maddi's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Maddi is licensed in New York.
Specialties and state licenses
- Cardiovascular disease, New YorkPrimary
Clinical focus
Dmand AI lists acid reflux, aneurysm, arteritis, arthritis, atrial fibrillation and flutter, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Maddi treats.
Cardiologists near Dr. Maddi
Counts of cardiologists 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. Joseph Leonard Maddi billed Medicare for 42 services in 2024
CMS data shows 42 Medicare services from Dr. Maddi across 2 procedure codes in 2024, for 42 Medicare patients. Medicare paid $2,445 for them. Every service was in an office.
Dr. Maddi's Medicare services by type, 2024
- Office and hospital visits30
- Other services12
Dr. Maddi compared with the New York median for cardiologists, 2024
- Dr. Maddi
- New York median
- Medicare services
- 42vs 1,67497% below
- Medicare patients
- 42vs 61193% below
- Part D claims
- 1,790vs 1,41227% above
Medians across 2,211 cardiologists in New York with Dmand AI profiles that report each measure.
Dr. Maddi'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Leonard Maddi treated 42 Medicare patients in 2024, average age 78
CMS counts 42 Medicare patients who saw Dr. Maddi in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Maddi's median patient age at 68, with 58% women.
Dr. Maddi's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Maddi's Medicare patients by sex, 2024
- Women2048%
- Men2252%
Chronic conditions among Dr. Maddi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Chronic kidney disease48%
- Ischemic heart disease45%
- Atrial fibrillation43%
- Diabetes33%
- Heart failure33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maddi'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
Dr. Joseph Leonard Maddi wrote 2,418 Medicare Part D claims in 2024
In 2024, Dr. Maddi wrote 2,418 Medicare Part D claims for 363 patients. 84% of them were for generic drugs. CMS names the drug for 1,790 of them, across 49 drugs with 11 or more claims each, at $192,877 in total drug cost.
Dr. Maddi's Part D claims by kind of drug, 2024
- Generic2,039 claims84%
- Brand-name358 claims15%
- Other21 claims1%
Dr. Maddi'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. Maddi's Part D claims, 2024
- Opioids1%23 of 2,418 claims
- Antibiotics1%14 of 2,418 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Dr. Joseph Leonard Maddi received $80 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Maddi from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $80.
Companies that paid Dr. Maddi the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Leonard Maddi graduated from Universidad del Noreste
Dr. Maddi graduated from Universidad del Noreste in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Joseph Leonard Maddi accepts plans from 4 insurance carriers
Dr. Maddi is in network with 4 carriers, including Aetna, Elevance and Highmark. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Highmark
- Humana
Plan types Dr. Maddi accepts, by number of carriers
- PPO4
- EPO3
- Medicare3
- HMO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Joseph Leonard Maddi'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Joseph Leonard Maddi
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. Joseph Leonard Maddi's NPI number?
Dr. Joseph Leonard Maddi's NPI number is 1992761266. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Leonard Maddi?
Dr. Joseph Leonard Maddi is a cardiologist in Buffalo, New York. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Joseph Leonard Maddi practice?
Dr. Maddi practices at 2605 Harlem Rd, Cheektowaga, NY 14225. Dr. Maddi's primary practice is St. Joseph Campus - Gi Endoscopy - Gi Endoscopy - HOPD in Cheektowaga, New York. Dmand AI also links Dr. Maddi to 1 physician office.
What is Dr. Joseph Leonard Maddi's medical license number?
Dr. Maddi holds New York license 149577-1.
Does Dr. Joseph Leonard Maddi accept Medicare?
Yes. CMS data shows Dr. Maddi billed Medicare for 42 services in 2024.
How many Medicare patients does Dr. Joseph Leonard Maddi see?
CMS counts 42 Medicare patients who saw Dr. Maddi in 2024, with an average age of 78.
What services does Dr. Joseph Leonard Maddi bill to Medicare?
In 2024, Dr. Maddi's most billed Medicare services were office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Joseph Leonard Maddi go to medical school?
Dr. Maddi graduated from Universidad del Noreste in 1980.
What drugs does Dr. Joseph Leonard Maddi prescribe most?
In 2024 Medicare Part D data, Dr. Maddi's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Simvastatin.
Has Dr. Joseph Leonard Maddi received payments from drug or device companies?
CMS Open Payments shows $80 in general payments to Dr. Maddi from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Joseph Leonard Maddi been practicing?
Dr. Maddi graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Joseph Leonard Maddi accept?
Dr. Maddi is in network with 4 carriers, including Aetna, Elevance and Highmark. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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