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.

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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

Practice location

1910 Olympic Blvd

Walnut Creek, CA 94596-5096

Phone: (925) 433-0990

Street-level locationGet directions

More CA providers

Mailing address

1910 Olympic Blvd

Walnut Creek, CA 94596-5096

Specialties & taxonomies

Assistant Behavior AnalystPrimary106E00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(59/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 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.

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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions