LAMBIA A MITROPOULOS FNP-BC
NPI 1497097232
Nurse Practitioner - Family in Boston, MA
About Lambia A Mitropoulos Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAMBIA A MITROPOULOS FNP-BC (NPI 1497097232) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (RN2264019) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
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
Lambia A Mitropoulos Fnp-bc 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 Lambia Mitropoulos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,317 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 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 15
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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.
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 Lambia Mitropoulos's NPI number?
The NPI number for Lambia Mitropoulos is 1497097232. It was assigned to this individual provider in the NPPES registry on March 19, 2013.
Where is Lambia Mitropoulos located?
Lambia Mitropoulos practices at 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-1000.
What is Lambia Mitropoulos's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lambia Mitropoulos enrolled in Medicare?
Yes. Lambia Mitropoulos 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 Lambia Mitropoulos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lambia Mitropoulos reassigns Medicare benefits to 2 organizations: Atrius Health, Inc. (Boston, MA) and Steward Medical Group, Inc (Watertown, 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 Lambia Mitropoulos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Lambia Mitropoulos was last updated on August 11, 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.