Melisa Nicholson, LCSW
NPI 1407206261 · Clinical Social Worker · Mission Viejo, CA
Melisa Nicholson, LCSW is a Clinical Social Worker provider in Mission Viejo, CA (NPI 1407206261).
Provider details
- NPI number
- 1407206261
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Social Worker104100000X
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
10 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 801 E Chapman Ave Ste 203Fullerton, CA 92831-3846Phone: (714) 680-9000Fax: (714) 680-8239
Registry dates
- Enumerated
- 2016-06-13
- Last updated
- 2022-07-26
- Certified
- 2022-07-26
Frequently asked questions
- What is Melisa Nicholson's NPI number?
- Melisa Nicholson's National Provider Identifier (NPI) is 1407206261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melisa Nicholson's specialty?
- Melisa Nicholson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Melisa Nicholson located?
- Melisa Nicholson's practice location on file with NPPES is 27800 Medical Center Rd, Mission Viejo, CA 92691-6410.
- What is Melisa Nicholson's phone number?
- The practice phone number listed in the NPPES registry for Melisa Nicholson is (949) 866-3600.
- Is Melisa Nicholson's NPI active?
- Yes — Melisa Nicholson's NPI (1407206261) is active in the NPPES registry as of the last update on 2022-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.