Theresa Marschik, LCSW
NPI 1669864583 · Clinical Social Worker · Denver, CO
Theresa Marschik, LCSW is a Clinical Social Worker provider in Denver, CO (NPI 1669864583).
Provider details
- NPI number
- 1669864583
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- CSW.09925217 (CO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
11 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
- 2015-03-02
- Last updated
- 2026-03-19
- Certified
- 2026-03-19
Frequently asked questions
- What is Theresa Marschik's NPI number?
- Theresa Marschik's National Provider Identifier (NPI) is 1669864583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Marschik's specialty?
- Theresa Marschik is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Theresa Marschik located?
- Theresa Marschik's practice location on file with NPPES is 2090 S Pearl St, Denver, CO 80210-4043.
- What is Theresa Marschik's phone number?
- The practice phone number listed in the NPPES registry for Theresa Marschik is (405) 246-6800.
- Is Theresa Marschik's NPI active?
- Yes — Theresa Marschik's NPI (1669864583) is active in the NPPES registry as of the last update on 2026-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.