CALEIGH MARIE O'BRIEN PT, DPT
NPI 1861973588
Physical Therapist - Orthopedic in Boston, MA
About Caleigh Marie O'brien Pt, Dpt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALEIGH MARIE O'BRIEN PT, DPT (NPI 1861973588) is an individual orthopedic provider in Boston, Massachusetts, licensed in Massachusetts (023276) and active in the NPI registry since August 2018. She is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Caleigh Marie O'brien Pt, Dpt 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 Reassignment
Medicare enrollment records show Caleigh O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 23 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.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02215
BOSTON, MA 02215
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 Caleigh O'brien's NPI number?
The NPI number for Caleigh O'brien is 1861973588. It was assigned to this individual provider in the NPPES registry on August 22, 2018.
Where is Caleigh O'brien located?
Caleigh O'brien practices at 915 Commonwealth Ave, Boston, MA 02215. The listed phone number is (617) 358-3700.
What is Caleigh O'brien's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.
Is Caleigh O'brien enrolled in Medicare?
Yes. Caleigh 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 Caleigh O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caleigh O'brien reassigns Medicare benefits to Trustees Of Boston University (Boston, 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 Caleigh O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caleigh O'brien accept?
Health plans from Anthem Blue Cross and Blue Shield list Caleigh O'brien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Caleigh O'brien was last updated on August 22, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Caleigh Marie O'brien, PT, DPT · NPI 1861973588
Orthopedic provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 22, 2018.
## Identity
- **NPI:** 1861973588 (Entity type: Individual)
- **Enumerated:** August 22, 2018
- **Primary specialty:** Physical Therapist - Orthopedic · taxonomy 2251X0800X
- **State license:** 023276 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 915 COMMONWEALTH AVE, Boston, MA 02215-1394
- **Phone:** (617) 358-3700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Trustees Of Boston University (NPI 1265419568, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 22, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1861973588) · Data from the CMS NPPES public registry.