MARISSA ELAINE LAMASTUS LCSW
NPI 1154898849
Social Worker - Clinical in Colorado Springs, CO
About Marissa Elaine Lamastus Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA ELAINE LAMASTUS LCSW (NPI 1154898849) is an individual clinical provider in Colorado Springs, Colorado, licensed in Colorado (CSW.09925098) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Colorado Springs.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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)
Marissa Elaine Lamastus Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Marissa Lamastus reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Colorado Springs, CO 80910
- Reassigned Medicare billing, Colorado enrollment
- 72 clinicians in this Medicare group
Colorado Springs, CO 80903
- Reassigned Medicare billing, Colorado enrollment
- 1,193 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 80910 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.
COLORADO SPRINGS, CO 80910
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 Marissa Lamastus's NPI number?
The NPI number for Marissa Lamastus is 1154898849. It was assigned to this individual provider in the NPPES registry on October 31, 2018. The provider is also known as Marissa Elaine Legal Lcsw.
Where is Marissa Lamastus located?
Marissa Lamastus practices at 115 S Parkside Dr, Colorado Springs, CO 80910. The listed phone number is (719) 572-6100.
What is Marissa Lamastus's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Marissa Lamastus enrolled in Medicare?
Yes. Marissa Lamastus is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marissa Lamastus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Lamastus reassigns Medicare benefits to 2 organizations: Diversus Health Inc (Colorado Springs, CO) and Catholic Health Initiatives Colorado (Colorado Springs, CO). 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 Marissa Lamastus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marissa Lamastus accept?
Health plans from Select Health list Marissa Lamastus 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 Marissa Lamastus was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.