Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Margaret Kendall Crosswell Harousseau, PA

Individual provider Physician Assistant · NPI 1104063049

Margaret Kendall Crosswell Harousseau, PA is a Physician Assistant in Scarsdale, New York. Qualified in 2008, 18 years ago. Practices with Orthopaedic and Neurosurgery Specialists, PLLC, a 258-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Connecticut and New York.

Years since qualifying
18
Licensed in
CT, NY
In the registry since
2009
Specialties on file
2
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

35 Claremont Rd
Scarsdale, NY 10583-1103
Phone: (914) 472-0363
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6 Greenwich Office Park, Greenwich, CT 06831-5151 — (203) 869-1145

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence 4795 (CT)
Physician Assistant Taxonomy 363A00000X · Licence 013056 (NY)

Record details

NPI number1104063049
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorYes
NPI enumeratedJanuary 14, 2009
Last updated in NPPESApril 22, 2020
Certification dateApril 22, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Orthopaedic And Neurosurgery Specialists, Pllc — 258 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients20
Services billed 37 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Orthopaedic and Neurosurgery Specialists, PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 258 clinicians in the practice; 12 are shown here.

Other providers in Scarsdale