CAITLIN SAXTEIN
NPI 1639590532
Speech-Language Pathologist in Aquebogue, NY
About Caitlin Saxtein NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAITLIN SAXTEIN (NPI 1639590532) is an individual speech-language pathologist provider in Aquebogue, New York, licensed in New York (022637-1) and active in the NPI registry since December 2013. She is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Caitlin Saxtein is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Caitlin Saxtein reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverhead, NY 11901
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Central Suffolk Hospital
- 134 clinicians in this Medicare group
Garden City, NY 11530
- Reassigned Medicare billing, New York enrollment
- 711 clinicians in this Medicare group
New York, NY 10128
- Reassigned Medicare billing, New York enrollment
- 564 clinicians in this Medicare group
Wilmington, DE 19803
- Reassigned Medicare billing, New Jersey enrollment
- 973 clinicians in this Medicare group
Kensington, MD 20895
- Reassigned Medicare billing, New York enrollment
- 38 clinicians in this Medicare group
Lexington, SC 29072
- Reassigned Medicare billing, South Carolina enrollment
- 455 clinicians in this Medicare group
Norwalk, IA 50211
- Reassigned Medicare billing, Iowa enrollment
- 38 clinicians in this Medicare group
San Diego, CA 92127
- Reassigned Medicare billing, California enrollment
- 58 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Caitlin Saxtein's NPI number?
The NPI number for Caitlin Saxtein is 1639590532. It was assigned to this individual provider in the NPPES registry on December 18, 2013.
Where is Caitlin Saxtein located?
Caitlin Saxtein practices at 863 Union Avenue, Aquebogue, NY 11931. The listed phone number is (631) 830-2421.
What is Caitlin Saxtein's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Caitlin Saxtein enrolled in Medicare?
Yes. Caitlin Saxtein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Caitlin Saxtein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Saxtein reassigns Medicare benefits to 8 organizations: Central Suffolk Hosptial (Riverhead, NY), Metro Physical Occupational Speech Massage Therapy & Acupuncture PLLC (Garden City, NY), Fox Rehabilitation Physical Therapy Services LLC (New York, NY), Fox Rehabilitation Services Inc (Wilmington, DE), Onr National Speech Pathology Inc (Kensington, MD) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Caitlin Saxtein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Caitlin Saxtein was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Caitlin Saxtein · NPI 1639590532
Speech-Language Pathologist provider in Aquebogue, New York. Individual provider, active in the CMS NPPES registry since December 18, 2013.
## Identity
- **NPI:** 1639590532 (Entity type: Individual)
- **Enumerated:** December 18, 2013
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 022637-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 863 UNION AVENUE, Aquebogue, NY 11931
- **Phone:** (631) 830-2421
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Central Suffolk Hosptial (NPI 1841637741, Riverhead, NY); Metro Physical Occupational Speech Massage Therapy & Acupuncture PLLC (NPI 1356742365, Garden City, NY); Fox Rehabilitation Physical Therapy Services LLC (NPI 1174560650, New York, NY); Fox Rehabilitation Services Inc (NPI 1326092503, Wilmington, DE); Onr National Speech Pathology Inc (NPI 1972965952, Kensington, MD); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** May 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639590532) · Data from the CMS NPPES public registry.