Dr. Joseph Donald Gentile, MD
- Medicare services, 2020
- 240
- Part D claims, 2021
- 1,141
- Industry payments
- $8,164
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 4239 Maple Rd, Amherst, NY 14226
- Practice phone
- Call (716) 835-2984
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lester S Sielski
Primary care practice · Amherst, New York
Find Dr. Gentile'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 Donald Gentile is an internist in Buffalo, New York
Dr. Gentile practices at Lester S Sielski in Amherst, New York.
Dr. Gentile's NPI, 1487604955, was assigned on May 12, 2006. Dr. Gentile graduated from State University of New York at Buffalo School of Medicine in 1974. Dr. Gentile holds New York license 109612.
- NPI
- 1487604955NPI Registry (opens in a new tab)
- NPI enumeration date
- May 12, 2006
- NPI status
- Active
- Practice phone
- (716) 835-2984
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Donald Gentile practices in Amherst and Buffalo
Dr. Gentile's primary practice is Lester S Sielski, at 4239 Maple Rd, Amherst, NY 14226. The practice phone is (716) 835-2984. The NPI Registry lists Dr. Gentile's practice address as 4513 N Bailey Ave, Buffalo, NY 14226.
- Lester S SielskiPrimary4239 Maple Rd, Amherst, NY 14226Phone(716) 835-2984
- NPI Registry address4513 N Bailey Ave, Buffalo, NY 14226 · Erie CountyPhone(716) 832-9747
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Joseph Donald Gentile is affiliated with 2 sites of care and 1 medical group
Dr. Gentile's primary practice is Lester S Sielski in Amherst, New York. Dmand AI also links Dr. Gentile to 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Joseph Donald Gentile's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gentile practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lester S Sielski | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Donald Gentile is one of 9,643 internists in New York
Internal medicine is Dr. Gentile's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gentile is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Gentile
Counts of internists 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 Donald Gentile billed Medicare for 240 services in 2020
CMS data shows 240 Medicare services from Dr. Gentile across 6 procedure codes in 2020. Medicare paid $12,764 for them. Every service was in an office.
Dr. Gentile's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1822020: 15018%
- Other services
- 2019: 702020: 5916%
- Tests and treatments
- 2019: 312020: 31No change
Dr. Gentile compared with the New York median for internists, 2020
- Dr. Gentile
- New York median
- Medicare services
- 240vs 42644% below
- Part D claims
- 1,141vs 62283% above
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Gentile's most billed Medicare procedure codes, 2020
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gentile and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Donald Gentile's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Gentile's median patient age at 74, with 54% women.
Dr. Gentile's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Joseph Donald Gentile wrote 1,141 Medicare Part D claims in 2021
In 2021, Dr. Gentile wrote 1,141 Medicare Part D claims. They cover 37 drugs, with $24,731 in total drug cost. In 2020, CMS named 6,784 claims across 125 drugs.
Dr. Gentile's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 6,7842021: 1,14183%
Drugs named by CMS: 37 in 2021, 125 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Joseph Donald Gentile received $8,164 in industry payments from 2016 to 2024
CMS Open Payments shows 351 general payments to Dr. Gentile from 24 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $904.
General payments to Dr. Gentile by program year, 2016 to 2024
General payments to Dr. Gentile by kind, 2016 to 2024
- Food and beverage$8,127100%
- Education$370%
Companies that paid Dr. Gentile 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. Joseph Donald Gentile graduated from State University of New York at Buffalo School of Medicine
Dr. Gentile graduated from State University of New York at Buffalo School of Medicine in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Donald Gentile'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Joseph Donald Gentile
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 Donald Gentile's NPI number?
Dr. Joseph Donald Gentile's NPI number is 1487604955. It was assigned on May 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Donald Gentile?
Dr. Joseph Donald Gentile is an internist in Buffalo, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joseph Donald Gentile practice?
Dr. Gentile practices at 4239 Maple Rd, Amherst, NY 14226. Dr. Gentile also practices at 4513 N Bailey Ave, Buffalo, NY 14226. Dr. Gentile's primary practice is Lester S Sielski in Amherst, New York. Dmand AI also links Dr. Gentile to 1 physician office and 1 medical group.
What is Dr. Joseph Donald Gentile's office phone number?
The practice phone on file for Dr. Gentile is (716) 835-2984.
What is Dr. Joseph Donald Gentile's medical license number?
Dr. Gentile holds New York license 109612.
Does Dr. Joseph Donald Gentile accept Medicare?
Yes. CMS data shows Dr. Gentile billed Medicare for 240 services in 2020.
What services does Dr. Joseph Donald Gentile bill to Medicare?
In 2020, Dr. Gentile's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medical service (90756).
Where did Dr. Joseph Donald Gentile go to medical school?
Dr. Gentile graduated from State University of New York at Buffalo School of Medicine in 1974.
What drugs does Dr. Joseph Donald Gentile prescribe most?
In 2021 Medicare Part D data, Dr. Gentile's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Irbesartan.
Has Dr. Joseph Donald Gentile received payments from drug or device companies?
CMS Open Payments shows $8,164 in general payments to Dr. Gentile from 24 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Joseph Donald Gentile been practicing?
Dr. Gentile graduated from medical school in 1974, 52 years ago.
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