Melissa Mejia
NPI 1639713027 · Assistant Behavior Analyst · Walnut Creek, CA
Melissa Mejia is a Assistant Behavior Analyst provider in Walnut Creek, CA (NPI 1639713027).
Provider details
- NPI number
- 1639713027
- Entity type
- Individual
- Primary specialty
- Assistant Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
6 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
- 2019-10-29
- Last updated
- 2019-10-29
Frequently asked questions
- What is Melissa Mejia's NPI number?
- Melissa Mejia's National Provider Identifier (NPI) is 1639713027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Mejia's specialty?
- Melissa Mejia is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Melissa Mejia located?
- Melissa Mejia's practice location on file with NPPES is 1910 Olympic Blvd, Walnut Creek, CA 94596-5096.
- What is Melissa Mejia's phone number?
- The practice phone number listed in the NPPES registry for Melissa Mejia is (925) 433-0990.
- Is Melissa Mejia's NPI active?
- Yes — Melissa Mejia's NPI (1639713027) is active in the NPPES registry as of the last update on 2019-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.