MRS. COLLEEN ELIZABETH DEEMS RN/NP
NPI 1558677344
Nurse Practitioner - Pediatrics in Boston, MA
About Mrs. Colleen Elizabeth Deems Rn/np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. COLLEEN ELIZABETH DEEMS RN/NP (NPI 1558677344) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (RN2258514) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 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 (PECOS)
Mrs. Colleen Elizabeth Deems Rn/np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Colleen Deems reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Colleen Deems's NPI number?
The NPI number for Colleen Deems is 1558677344. It was assigned to this individual provider in the NPPES registry on August 31, 2010. The provider is also known as Colleen Elizabeth Blanchard.
Where is Colleen Deems located?
Colleen Deems practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Colleen Deems's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Colleen Deems enrolled in Medicare?
Yes. Colleen Deems is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Colleen Deems's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Deems reassigns Medicare benefits to Children's Hospital Pediatric Associates, Inc (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 Colleen Deems's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Colleen Deems accept?
Health plans from Anthem Blue Cross and Blue Shield list Colleen Deems 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 Colleen Deems was last updated on September 27, 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. Colleen Elizabeth Deems, RN/NP · NPI 1558677344
Pediatrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 31, 2010.
## Identity
- **NPI:** 1558677344 (Entity type: Individual)
- **Enumerated:** August 31, 2010
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** RN2258514 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1558677344) · Data from the CMS NPPES public registry.