BRITTANY MICHELLE HANSEN MD
NPI 1508515297
Internal Medicine in Waltham, MA
About Brittany Michelle Hansen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRITTANY MICHELLE HANSEN MD (NPI 1508515297) is an individual internal medicine provider in Waltham, Massachusetts, licensed in Massachusetts (1021821) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Brittany Michelle Hansen 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 Reassignments
3Medicare enrollment records show Brittany Hansen 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
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 573 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02451 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 7
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 Brittany Hansen's NPI number?
The NPI number for Brittany Hansen is 1508515297. It was assigned to this individual provider in the NPPES registry on March 21, 2022.
Where is Brittany Hansen located?
Brittany Hansen practices at 52 Second Ave, Waltham, MA 02451. The listed phone number is (781) 487-6800.
What is Brittany Hansen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Brittany Hansen enrolled in Medicare?
Yes. Brittany Hansen 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 Brittany Hansen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brittany Hansen reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Evans Medical Foundation, Inc. (Boston, 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 Brittany Hansen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brittany Hansen accept?
Health plans from WellSense Health Plan list Brittany Hansen 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 Brittany Hansen affiliated with any hospitals?
According to CMS data, Brittany Hansen is affiliated with Boston Medical Center and Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Brittany Hansen was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Brittany Michelle Hansen, MD · NPI 1508515297
Internal Medicine physician in Waltham, Massachusetts. Individual provider, active in the CMS NPPES registry since March 21, 2022.
## Identity
- **NPI:** 1508515297 (Entity type: Individual)
- **Enumerated:** March 21, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 1021821 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 52 SECOND AVE, Waltham, MA 02451-1127
- **Phone:** (781) 487-6800
## 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): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Evans Medical Foundation, Inc. (NPI 1912954124, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1508515297) · Data from the CMS NPPES public registry.