Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARISSA ELAINE LAMASTUS LCSW
NPI 1154898849
Social Worker - Clinical in Colorado Springs, CO

Active since October 31, 2018PECOS Enrolled
115 S PARKSIDE DR, COLORADO SPRINGS, CO 80910(719) 572-6100 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 6, 2026, Jan 26, 2023, Oct 31, 2018 (3 updates tracked since 2018).

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

NPI1154898849
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARISSA ELAINE LAMASTUSCredential: LCSW
Location Address115 S PARKSIDE DRColorado Springs, CO 80910-3130
Mailing Address1032 Norwood AveColorado Springs, CO 80905-3502
Sole ProprietorNo
Enumeration DateOctober 31, 2018
Last NPPES UpdateJuly 6, 20263 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
NPI 1154898849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in CO · CSW.09925098
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
115 S PARKSIDE DR, Colorado Springs, CO 80910

Other Names 1

Other Name (5)Marissa Elaine Legal Lcsw

Secondary Practice Location 1

Location 17435 Sisters Grv Ste 400Colorado Springs, CO 80923-2631 · Phone (719) 571-8030 · Fax (719) 571-8031

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Marissa Elaine Lamastus Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$0.00 typical visit price
range $58.06 – $174.82
Typical copayment $0.00 (range $14.51 – $43.70)
Most-billed visit code NA
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Registered Nurse
115 S PARKSIDE DR
COLORADO SPRINGS, CO 80910
Case Manager/Care Coordinator
115 S PARKSIDE DR
COLORADO SPRINGS, CO 80910
Case Manager/Care Coordinator
115 S PARKSIDE DR
COLORADO SPRINGS, CO 80910
Case Manager/Care Coordinator
115 S PARKSIDE DR
COLORADO SPRINGS, CO 80910
Counselor (Mental Health)
115 S PARKSIDE DR
COLORADO SPRINGS, CO 80910
Counselor (Professional)
115 S PARKSIDE DR
COLORADO SPRINGS, CO 80910
Counselor (Addiction (Substance Use Disorder))
115 S PARKSIDE DR
COLORADO SPRINGS, CO 80910
Social Worker (Clinical)
115 S PARKSIDE DR
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.

What insurance does Marissa Lamastus accept?

Health plans from Providence Health Plan 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 34 days 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.