Monica Rioja-Grissom, LCSW
NPI 1629790050 · Clinical Social Worker · Littleton, CO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Monica Rioja-Grissom, LCSW is a Clinical Social Worker provider in Littleton, CO (NPI 1629790050).
Provider details
- NPI number
- 1629790050
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 11612123 (WI)
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
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3051 Cahill LaneFitchburg, WI 53711-4463Phone: (608) 661-7200
Registry dates
- Enumerated
- 2022-09-13
- Last updated
- 2025-04-28
- Certified
- 2025-04-28
Frequently asked questions
- What is Monica Rioja-Grissom's NPI number?
- Monica Rioja-Grissom's National Provider Identifier (NPI) is 1629790050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica Rioja-Grissom's specialty?
- Monica Rioja-Grissom is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Monica Rioja-Grissom located?
- Monica Rioja-Grissom's practice location on file with NPPES is 61 W Davies Ave N, Littleton, CO 80120-5252.
- What is Monica Rioja-Grissom's phone number?
- The practice phone number listed in the NPPES registry for Monica Rioja-Grissom is (303) 730-8858.
- Does Monica Rioja-Grissom accept Medicare?
- Monica Rioja-Grissom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Monica Rioja-Grissom's NPI active?
- Yes — Monica Rioja-Grissom's NPI (1629790050) is active in the NPPES registry as of the last update on 2025-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.