CAITLYN O'BRIEN M.S. CCC-SLP
NPI 1508602541
Speech-Language Pathologist in Sutton, MA

Q: What is Caitlyn O'brien's NPI number?

The NPI number for Caitlyn O'brien is 1508602541. It was assigned to this individual provider in the NPPES registry on July 8, 2024.

Q: What is Caitlyn O'brien's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Q: When was this NPI record last updated?

The NPPES record for Caitlyn O'brien was last updated on July 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.

Active since July 08, 2024Accepts Medicare Assignment

5 TIPPERARY DR, SUTTON, MA 01590(774) 276-2282 Get Directions Write a Review

NPPES record last updated: July 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Caitlyn O'brien M.s. Ccc-slp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAITLYN O'BRIEN M.S. CCC-SLP (NPI 1508602541) is an individual speech-language pathologist provider in Sutton, Massachusetts, licensed in Massachusetts (SLP77252) and active in the NPI registry since July 2024. She is a graduate of Other (2016).

NPPES Registry Identity

NPI1508602541

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameCAITLYN O'BRIENCredential: M.S. CCC-SLP

Location Address5 TIPPERARY DRSutton, MA 01590-2731

Mailing Address5 Tipperary DrSutton, MA 01590-2731 · (774) 276-2282

Phone(774) 276-2282

Sole ProprietorYes

Medical School CMSOtherGraduated 2016

Enumeration DateJuly 8, 2024

NPPES CertifiedJuly 8, 2024

✔ NPI 1508602541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers

Taxonomy Code235Z00000X

License✔ Licensed in MA · SLP77252

Definition

The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

5 TIPPERARY DR, Sutton, MA 01590

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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

Caitlyn O'brien M.s. Ccc-slp 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.

PECOS PAC ID4587177993

PECOS Enrollment IDI20250630001775

Medicare Billing Reassignment

Medicare enrollment records show Caitlyn O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Connections Physical Therapy Inc

27 mi

Physical Therapist

110 CEDAR ST STE 100
Wellesley, MA 02481

Reassigned Medicare billing, Massachusetts enrollment
109 clinicians in this Medicare group

NPI 1699752931 (617) 921-4336

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 Caitlyn O'brien's NPI number?

The NPI number for Caitlyn O'brien is 1508602541. It was assigned to this individual provider in the NPPES registry on July 8, 2024.

Where is Caitlyn O'brien located?

Caitlyn O'brien practices at 5 Tipperary Dr, Sutton, MA 01590. The listed phone number is (774) 276-2282.

What is Caitlyn O'brien's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Caitlyn O'brien enrolled in Medicare?

Yes. Caitlyn O'brien 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 organization bills Medicare for Caitlyn O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlyn O'brien reassigns Medicare benefits to Connections Physical Therapy Inc (Wellesley, MA). The 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 Caitlyn O'brien'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 Caitlyn O'brien was last updated on July 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.