MRS. CAILIN COLEMAN DELANEY R.N., N.P.
NPI 1649491655
Nurse Practitioner - Adult Health in Boston, MA
About Mrs. Cailin Coleman Delaney R.n., N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CAILIN COLEMAN DELANEY R.N., N.P. (NPI 1649491655) is an individual adult health provider in Boston, Massachusetts, licensed in Massachusetts (RN252799) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and maintains a secondary practice location in Peabody.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Mrs. Cailin Coleman Delaney R.n., N.p. 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 Cailin Delaney reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northeast Hospital Corporation
Acute Care Hospitals · Beverly, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Cailin Delaney's NPI number?
The NPI number for Cailin Delaney is 1649491655. It was assigned to this individual provider in the NPPES registry on May 1, 2007.
Where is Cailin Delaney located?
Cailin Delaney practices at Massachusetts General Hospital 55 Fruit St. Jackson Building Room 121, Pata, Boston, MA 02114. The listed phone number is (617) 726-3383.
What is Cailin Delaney's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Cailin Delaney enrolled in Medicare?
Yes. Cailin Delaney 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 Cailin Delaney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cailin Delaney reassigns Medicare benefits to 3 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Lahey Clinic, Inc. (Burlington, 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 Cailin Delaney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cailin Delaney accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Cailin Delaney 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 Cailin Delaney affiliated with any hospitals?
According to CMS data, Cailin Delaney is affiliated with Northeast Hospital Corporation and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Cailin Delaney was last updated on May 3, 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.
# Mrs. Cailin Coleman Delaney, R.N., N.P. · NPI 1649491655
Adult Health physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 1, 2007.
## Identity
- **NPI:** 1649491655 (Entity type: Individual)
- **Enumerated:** May 1, 2007
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** RN252799 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT ST., JACKSON BUILDING ROOM 121, PATA, Boston, MA 02114
- **Phone:** (617) 726-3383
## 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): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** May 3, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1649491655) · Data from the CMS NPPES public registry.