Marielle Grenade-Willis, LPCC, NCC
NPI 1245912997 · Mental Health Counselor · Denver, CO
Marielle Grenade-Willis, LPCC, NCC is a Mental Health Counselor provider in Denver, CO (NPI 1245912997).
Provider details
- NPI number
- 1245912997
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LPCC, NCC
- Sex
- Female
- Sole proprietor
- Yes
- License
- LPCC.0018746 (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
2 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
- 2023-08-02
- Last updated
- 2023-08-02
- Certified
- 2023-08-02
Frequently asked questions
- What is Marielle Grenade-Willis's NPI number?
- Marielle Grenade-Willis's National Provider Identifier (NPI) is 1245912997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marielle Grenade-Willis's specialty?
- Marielle Grenade-Willis is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marielle Grenade-Willis located?
- Marielle Grenade-Willis's practice location on file with NPPES is 2238 S Broadway, Denver, CO 80210-4419.
- What is Marielle Grenade-Willis's phone number?
- The practice phone number listed in the NPPES registry for Marielle Grenade-Willis is (719) 428-6267.
- Is Marielle Grenade-Willis's NPI active?
- Yes — Marielle Grenade-Willis's NPI (1245912997) is active in the NPPES registry as of the last update on 2023-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.