Dr. Louis John Difazio, MD
- Medicare services, 2020
- 135
- Part D claims, 2021
- 26
- Industry payments
- $8,908
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4238 Bronx Blvd, Bronx, NY 10466-2611
- Practice phone
- Call (718) 743-7090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boulevard Medical Healthcare
Multi-specialty group site · Bronx, New York
Find Dr. Difazio'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. Louis John Difazio is an internist in Bronx, New York
Dr. Difazio practices at Boulevard Medical Healthcare in Bronx, New York.
Dr. Difazio's NPI, 1245231083, was assigned on August 2, 2005. Dr. Difazio holds New York license 151941-1.
- NPI
- 1245231083NPI Registry (opens in a new tab)
- NPI enumeration date
- August 2, 2005
- NPI status
- Active
- Practice phone
- (718) 743-7090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louis John Difazio practices at 2 locations in Bronx, New York
Dr. Difazio's primary practice is Boulevard Medical Healthcare, at 4238 Bronx Blvd, Bronx, NY 10466-2611. The practice phone is (718) 743-7090. The NPI Registry lists Dr. Difazio's practice address as 2371 Arthur Ave, Bronx, NY 10458-8113.
- Boulevard Medical HealthcarePrimary4238 Bronx Blvd, Bronx, NY 10466-2611Phone(718) 743-7090
- NPI Registry address2371 Arthur Ave, Bronx, NY 10458-8113Phone(718) 364-6199
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Louis John Difazio is affiliated with 1 site of care and 1 medical group
Dr. Difazio's primary practice is Boulevard Medical Healthcare in Bronx, New York. Dmand AI also links Dr. Difazio to 1 medical group, 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. Louis John Difazio's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Difazio practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boulevard Medical Healthcare | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Louis John Difazio is one of 9,643 internists in New York
Internal medicine is Dr. Difazio's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Difazio is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Difazio
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. Louis John Difazio billed Medicare for 135 services in 2020
CMS data shows 135 Medicare services from Dr. Difazio across 4 procedure codes in 2020. Medicare paid $5,733 for them. Every service was in an office.
Dr. Difazio's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 4922020: 10279%
- Tests and treatments
- 2019: 1422020: 2285%
- Other services
- 2019: 2152020: 1195%
- Drugs given in the office
- 2019: 192020: 0100%
- Lab and pathology
- 2019: 202020: 0100%
Dr. Difazio compared with the New York median for internists, 2020
- Dr. Difazio
- New York median
- Medicare services
- 135vs 42668% below
- Part D claims
- 26vs 62296% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Difazio'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.
Need commercial claims for Dr. Difazio?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Difazio and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louis John Difazio's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Difazio's median patient age at 67, with 49% women.
Dr. Difazio's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women49%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Louis John Difazio wrote 26 Medicare Part D claims in 2021
In 2021, Dr. Difazio wrote 26 Medicare Part D claims. They cover 2 drugs, with $2,795 in total drug cost. In 2020, CMS named 6,863 claims across 115 drugs.
Dr. Difazio'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: 6,8632021: 26100%
Drugs named by CMS: 2 in 2021, 115 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Louis John Difazio received $8,908 in industry payments from 2016 to 2020
CMS Open Payments shows 482 general payments to Dr. Difazio from 35 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 95% of the total. Novo Nordisk Inc paid the most, $1,626.
General payments to Dr. Difazio by program year, 2016 to 2020
General payments to Dr. Difazio by kind, 2016 to 2020
- Food and beverage$8,49295%
- Speaker and faculty fees$2162%
- Education$2012%
Companies that paid Dr. Difazio the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Louis John Difazio'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) |
| 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. Louis John Difazio
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. Louis John Difazio's NPI number?
Dr. Louis John Difazio's NPI number is 1245231083. It was assigned on August 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Louis John Difazio?
Dr. Louis John Difazio is an internist in Bronx, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Louis John Difazio practice?
Dr. Difazio practices at 4238 Bronx Blvd, Bronx, NY 10466-2611. Dr. Difazio also practices at 2371 Arthur Ave, Bronx, NY 10458-8113. Dr. Difazio's primary practice is Boulevard Medical Healthcare in Bronx, New York. Dmand AI also links Dr. Difazio to 1 medical group.
What is Dr. Louis John Difazio's office phone number?
The practice phone on file for Dr. Difazio is (718) 743-7090.
What is Dr. Louis John Difazio's medical license number?
Dr. Difazio holds New York license 151941-1.
Does Dr. Louis John Difazio accept Medicare?
Yes. CMS data shows Dr. Difazio billed Medicare for 135 services in 2020.
What services does Dr. Louis John Difazio bill to Medicare?
In 2020, Dr. Difazio's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and heart test or procedure (93000).
What drugs does Dr. Louis John Difazio prescribe most?
In 2021 Medicare Part D data, Dr. Difazio's most prescribed drugs by claims were Atorvastatin Calcium and Fluticasone-Salmeterol.
Has Dr. Louis John Difazio received payments from drug or device companies?
CMS Open Payments shows $8,908 in general payments to Dr. Difazio from 35 companies from 2016 to 2020. The largest total came from Novo Nordisk Inc.
How long has Dr. Louis John Difazio been practicing?
Dr. Difazio's NPI was assigned in 2005.
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