MS. CHARLOTTE MARIE HOLLERAN RN
NPI 1821683780
Surgery - Surgical Critical Care in Medford, MA
About Ms. Charlotte Marie Holleran Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CHARLOTTE MARIE HOLLERAN RN (NPI 1821683780) is an individual surgical critical care provider in Medford, Massachusetts, licensed in Massachusetts (RN277786) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 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
Ms. Charlotte Marie Holleran Rn 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
2Medicare enrollment records show Charlotte Holleran reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Middleton, MA 01949
- Reassigned Medicare billing, Massachusetts enrollment
- 70 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 4
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.
Northeast Hospital Corporation
Acute Care Hospitals · Beverly, MAFrequently 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 Charlotte Holleran's NPI number?
The NPI number for Charlotte Holleran is 1821683780. It was assigned to this individual provider in the NPPES registry on March 3, 2021.
Where is Charlotte Holleran located?
Charlotte Holleran practices at 611 Fellsway W, Medford, MA 02155. The listed phone number is (781) 498-8221.
What is Charlotte Holleran's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Charlotte Holleran enrolled in Medicare?
Yes. Charlotte Holleran 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 Charlotte Holleran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charlotte Holleran reassigns Medicare benefits to 2 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA) and Middleton Family Medicine Urgent Care, LLC (Middleton, 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 Charlotte Holleran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charlotte Holleran accept?
Health plans from Anthem Blue Cross and Blue Shield list Charlotte Holleran 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 Charlotte Holleran affiliated with any hospitals?
According to CMS data, Charlotte Holleran is affiliated with Northeast Hospital Corporation.
When was this NPI record last updated?
The NPPES record for Charlotte Holleran was last updated on March 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.