CAITLIN M. FARRELL D.O.
NPI 1447782412
Emergency Medicine in Boston, MA
About Caitlin M. Farrell D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAITLIN M. FARRELL D.O. (NPI 1447782412) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (291461) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Baystate Medical Center, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Caitlin M. Farrell D.o. 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
3Medicare enrollment records show Caitlin Farrell reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 195 clinicians in this Medicare group
Ayer, MA 01432
- Reassigned Medicare billing, Massachusetts enrollment
- 290 clinicians in this Medicare group
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Farrell's NPI number?
The NPI number for Caitlin Farrell is 1447782412. It was assigned to this individual provider in the NPPES registry on March 29, 2017.
Where is Caitlin Farrell located?
Caitlin Farrell practices at 1 Boston Medical Center Place Bcd 1st Floor, Boston, MA 02118. The listed phone number is (617) 414-5481.
What is Caitlin Farrell's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Caitlin Farrell enrolled in Medicare?
Yes. Caitlin Farrell 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 Farrell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Farrell reassigns Medicare benefits to 3 organizations: Child Health Foundation Of Boston, Inc. (Boston, MA), Steward Emergency Physicians, Inc (Ayer, MA) and Baystate Medical Practices, Inc (Springfield, MA). 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 Farrell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caitlin Farrell accept?
Health plans from WellSense Health Plan list Caitlin Farrell 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.
Is Caitlin Farrell affiliated with any hospitals?
According to CMS data, Caitlin Farrell is affiliated with Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Caitlin Farrell was last updated on June 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Caitlin M. Farrell, D.O. · NPI 1447782412
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 29, 2017.
## Identity
- **NPI:** 1447782412 (Entity type: Individual)
- **Enumerated:** March 29, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 291461 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BOSTON MEDICAL CENTER PLACE, BCD 1ST FLOOR, Boston, MA 02118-0211
- **Phone:** (617) 414-5481 · **Fax:** (617) 414-7759
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Child Health Foundation Of Boston, Inc. (NPI 1619969920, Boston, MA); Steward Emergency Physicians, Inc (NPI 1780971275, Ayer, MA); Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** June 2, 2023
- **Other identifiers:** Medicaid 3137735 (NH); Medicaid 110154536A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1447782412) · Data from the CMS NPPES public registry.