Marissa Lamastus, LCSW
NPI 1154898849 · Clinical Social Worker · Colorado Springs, CO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Lamastus, LCSW is a Clinical Social Worker provider in Colorado Springs, CO (NPI 1154898849).
Provider details
- NPI number
- 1154898849
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- CSW.09925098 (CO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-10-31
- Last updated
- 2023-01-26
- Certified
- 2023-01-26
Frequently asked questions
- What is Marissa Lamastus's NPI number?
- Marissa Lamastus's National Provider Identifier (NPI) is 1154898849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Lamastus's specialty?
- Marissa Lamastus is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marissa Lamastus located?
- Marissa Lamastus's practice location on file with NPPES is 115 S Parkside Dr, Colorado Springs, CO 80910-3130.
- What is Marissa Lamastus's phone number?
- The practice phone number listed in the NPPES registry for Marissa Lamastus is (719) 572-6100.
- Does Marissa Lamastus accept Medicare?
- Marissa Lamastus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Lamastus's NPI active?
- Yes — Marissa Lamastus's NPI (1154898849) is active in the NPPES registry as of the last update on 2023-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.