Marianne Sullivan
NPI 1518684869 · Mental Health Counselor · Nevada City, CA
Marianne Sullivan is a Mental Health Counselor provider in Nevada City, CA (NPI 1518684869).
Provider details
- NPI number
- 1518684869
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-10-26
- Last updated
- 2022-10-26
- Certified
- 2022-10-26
Frequently asked questions
- What is Marianne Sullivan's NPI number?
- Marianne Sullivan's National Provider Identifier (NPI) is 1518684869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Sullivan's specialty?
- Marianne Sullivan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marianne Sullivan located?
- Marianne Sullivan's practice location on file with NPPES is 995 Helling Way, Nevada City, CA 95959-8619.
- What is Marianne Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Marianne Sullivan is (530) 265-7222.
- Is Marianne Sullivan's NPI active?
- Yes — Marianne Sullivan's NPI (1518684869) is active in the NPPES registry as of the last update on 2022-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.