Brett Lassen, PA
- Medicare patients, 2024
- 113
- Part D claims, 2024
- 175
- Hospital affiliations
- 1
- Industry payments
- $290
- Medical group
- 1
- Practice address
- 976 North Broadway, Yonkers, NY 10701
- Practice phone
- Call (914) 964-4444
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Brett Lassen'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.
Brett Lassen is a physician assistant in Yonkers, New York
Brett Lassen practices at St. John's Riverside Hospital in Yonkers, New York, part of St. John's Riverside Hospital.
Brett Lassen's NPI, 1184668196, was assigned on June 16, 2006. Brett Lassen holds New York license 007770.
- NPI
- 1184668196NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244301216
- NPI enumeration date
- June 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 964-4444
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brett Lassen practices at 2 locations in Yonkers, New York
Brett Lassen's primary practice is St. John's Riverside Hospital, at 976 North Broadway, Yonkers, NY 10701 in Westchester County. The practice phone is (914) 964-4444. Brett Lassen also practices at St Johns Riverside Hospital - Andrus Pavillion, 967 N Broadway, Yonkers, NY 10701.
- St. John's Riverside HospitalPrimary976 North Broadway, Yonkers, NY 10701 · Westchester CountyPhone(914) 964-4444
- St Johns Riverside Hospital - Andrus Pavillion967 N Broadway, Yonkers, NY 10701 · Westchester CountyPhone(914) 964-4205
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Brett Lassen is affiliated with 3 sites of care and 1 medical group
Brett Lassen's primary practice is St. John's Riverside Hospital in Yonkers, New York, part of St. John's Riverside Hospital. The medical group on file is SJR Medical, PC. Dmand AI also links Brett Lassen to 1 more breast imaging center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Brett Lassen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brett Lassen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. John's Riverside Hospital | Available with a free account |
| +2 more affiliated sites | 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 St. John's Riverside Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Brett Lassen is one of 11,456 physician assistants in New York
Physician assistant is Brett Lassen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Brett Lassen is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Brett Lassen
Counts of physician assistants 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
Brett Lassen treated 113 Medicare patients in 2024, average age 74
CMS counts 113 Medicare patients who saw Brett Lassen in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Brett Lassen's median patient age at 61, with 57% women.
Brett Lassen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Brett Lassen's Medicare patients by sex, 2024
- Women6457%
- Men4943%
Chronic conditions among Brett Lassen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis74%
- Diabetes35%
- Ischemic heart disease29%
- Anxiety27%
- Chronic kidney disease27%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Brett Lassen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women57%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Brett Lassen wrote 175 Medicare Part D claims in 2024
In 2024, Brett Lassen wrote 175 Medicare Part D claims for 97 patients. 99% of them were for generic drugs.
Brett Lassen's Part D claims by kind of drug, 2024
- Generic174 claims99%
- Brand-name and other1 claims1%
Drug classes CMS tracks in Brett Lassen's Part D claims, 2024
- Opioids19%33 of 175 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Brett Lassen takes part in Medicare
Brett Lassen 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.
Brett Lassen received $290 in industry payments in 2025
CMS Open Payments shows 4 general payments to Brett Lassen from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $141.
Companies that paid Brett Lassen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Brett Lassen'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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) |
| 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 Brett Lassen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brett Lassen's NPI number?
Brett Lassen's NPI number is 1184668196. It was assigned on June 16, 2006, and it is active in the NPI Registry.
What does Brett Lassen specialize in?
Brett Lassen is a physician assistant in Yonkers, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Brett Lassen practice?
Brett Lassen practices at 976 North Broadway, Yonkers, NY 10701. Brett Lassen also practices at 967 N Broadway, Yonkers, NY 10701. Brett Lassen's primary practice is St. John's Riverside Hospital in Yonkers, New York, part of St. John's Riverside Hospital. Dmand AI also links Brett Lassen to 1 breast imaging center and 1 group practice or clinic.
What is Brett Lassen's office phone number?
The practice phone on file for Brett Lassen is (914) 964-4444.
What is Brett Lassen's medical license number?
Brett Lassen holds New York license 007770.
Which hospitals is Brett Lassen affiliated with?
Brett Lassen practices at St. John's Riverside Hospital in Yonkers, New York.
What medical group is Brett Lassen part of?
Brett Lassen is linked to SJR Medical, PC.
Does Brett Lassen accept Medicare?
Yes. CMS lists Brett Lassen as accepting Medicare assignment.
How many Medicare patients does Brett Lassen see?
CMS counts 113 Medicare patients who saw Brett Lassen in 2024, with an average age of 74.
Has Brett Lassen received payments from drug or device companies?
CMS Open Payments shows $290 in general payments to Brett Lassen from 4 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Brett Lassen been practicing?
Brett Lassen graduated from medical school in 2000, 26 years ago.
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