MS. CLAIRE C ALEXANIAN MD
NPI 1881217263
Dermatology in Boston, MA
About Ms. Claire C Alexanian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CLAIRE C ALEXANIAN MD (NPI 1881217263) is an individual dermatology provider in Boston, Massachusetts, licensed in Massachusetts (1019948) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Georgetown University School Of Medicine (2010).
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. Claire C Alexanian Md 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 Claire Alexanian 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
- 4,574 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 6
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.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Claire Alexanian's NPI number?
The NPI number for Claire Alexanian is 1881217263. It was assigned to this individual provider in the NPPES registry on May 20, 2020.
Where is Claire Alexanian located?
Claire Alexanian practices at 221 Longwood Ave Ste 149, Boston, MA 02115. The listed phone number is (161) 763-8742.
What is Claire Alexanian's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Claire Alexanian enrolled in Medicare?
Yes. Claire Alexanian 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 Claire Alexanian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claire Alexanian reassigns Medicare benefits to Brigham & Womens Physicians Organization 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 Claire Alexanian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Claire Alexanian accept?
Health plans from Taro Health list Claire Alexanian 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 Claire Alexanian affiliated with any hospitals?
According to CMS data, Claire Alexanian is affiliated with Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Claire Alexanian was last updated on June 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.