What is Marissa Ortiz's NPI number?

Marissa Ortiz's National Provider Identifier (NPI) is 1366232779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marissa Ortiz's specialty?

Marissa Ortiz is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Marissa Ortiz located?

Marissa Ortiz's practice location on file with NPPES is 1500 S Fairfield Ave, Chicago, IL 60608-1782.

What is Marissa Ortiz's phone number?

The practice phone number listed in the NPPES registry for Marissa Ortiz is (773) 257-4983.

Is Marissa Ortiz's NPI active?

Yes — Marissa Ortiz's NPI (1366232779) is active in the NPPES registry as of the last update on 2025-05-08.

IndividualActive

Marissa Ortiz, BSN, RN-BC, AA-SANE

NPI 1366232779 · Registered Nurse · Chicago, IL

Marissa Ortiz, BSN, RN-BC, AA-SANE is a Registered Nurse provider in Chicago, IL (NPI 1366232779).

Provider details

NPI number: 1366232779
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: BSN, RN-BC, AA-SANE
Sole proprietor: Yes
License: 041447621 (IL)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 041447621 (IL)
Nursing Service Providers

Profile Score

Established profile(54/100 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
100% 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

1500 S Fairfield Ave

Chicago, IL 60608-1782

Phone: (773) 257-4983

Approximate (ZIP-level) locationGet directions

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Mailing address