Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Marybell Ramirez, APRN-FPA, FNP-C

Family Nurse Practitioner in Oak Lawn, IL · enumerated 2018 · practices at Altar Healthcare Group, Pllc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558833699

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Registry record

Entity type Individual (Type 1)

Name Ms. Marybell Ramirez

Credential APRN-FPA, FNP-C

Sex Female

Practice address 10448 S Pulaski Rd Ste 6, Oak Lawn, IL, 60453

Phone (708) 932-3260

Enumeration date Dec 31, 2018

Last updated in NPPES Apr 6, 2026

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 277002942 (IL) Primary

Other identifiers

Identifier	Type	State	Issuer
036100946	Medicaid	IL	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Marybell Ramirez practice?

The practice location on file with NPPES is in Oak Lawn, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Marybell Ramirez?

The National Provider Identifier (NPI) for Marybell Ramirez is 1558833699, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Patricia Jeanty Nurse Practitioner · Oak Lawn, IL NPI 1548552599 Altar Healthcare Group, Pllc Family Medicine Physician · Oak Lawn, IL NPI 1114796687

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-06.