What is Marcella Ortiz's NPI number?

Marcella Ortiz's National Provider Identifier (NPI) is 1922831577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marcella Ortiz's specialty?

Marcella Ortiz is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).

Where is Marcella Ortiz located?

Marcella Ortiz's practice location on file with NPPES is 1700 S Amphlett Blvd Ste 120, San Mateo, CA 94402-2711.

What is Marcella Ortiz's phone number?

The practice phone number listed in the NPPES registry for Marcella Ortiz is (650) 683-0882.

Is Marcella Ortiz's NPI active?

Yes — Marcella Ortiz's NPI (1922831577) is active in the NPPES registry as of the last update on 2025-08-15.

IndividualActive

Marcella Ortiz

NPI 1922831577 · Peer Specialist · San Mateo, CA

Marcella Ortiz is a Peer Specialist provider in San Mateo, CA (NPI 1922831577).

Provider details

NPI number: 1922831577
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Peer SpecialistPrimary175T00000X
Other Service Providers
Community Health Worker172V00000X
Other Service Providers

Profile Score

Basic profile(49/100 index)

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

Registry tenure38% of score
1 yr 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

1700 S Amphlett Blvd Ste 120

San Mateo, CA 94402-2711

Phone: (650) 683-0882

Street-level locationGet directions

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Mailing address