Provider Profile
Brett Lassen, P.A.
Unclaimed ProfileAbout Brett Lassen
Brett Lassen, P.A. is a physician assistant practicing in Yonkers, NY. According to Medicare claims data, Brett cared for 201 Medicare patients across 1,118 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, aspiration and/or injection of fluid large joint using ultrasound guidance, and hyaluronan or derivative, orthovisc, for intra-articular injection, per dose.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (914) 831-4160
- Email not available
Practice Locations
73 MARKET ST
Yonkers, NY 10710
Procedures Most Often Billed to Medicare
1,118 services · 201 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
67 | More often than most peers in Physician Assistant |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
882 | |
| Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose | Drug given | J7324 |
59 | As often as other peers in Physician Assistant |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
18 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
54 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
38 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Yonkers 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid large joint using ultrasound guidance 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Brett Lassen?
Brett Lassen is a physician assistant in Yonkers, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Brett Lassen's address?
Brett Lassen is listed at 73 Market St, Yonkers, NY 10710. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Brett Lassen?
The number on file is (914) 831-4160. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Brett Lassen's NPI number?
Brett Lassen's National Provider Identifier is 1184668196. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Brett Lassen train?
Brett Lassen attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Brett Lassen been practicing?
Brett Lassen has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Brett Lassen perform?
According to Medicare billing data, Brett Lassen performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Brett Lassen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Brett Lassen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.