Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Claire Marie Okkema

Physician Assistant in Glenview, IL · enumerated 2020.

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

National Provider Identifier

1023635687

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Registry record

Entity type Individual (Type 1)

Name Claire Marie Okkema

Sex Female

Practice address 2050 Pfingsten Rd Ste 128, Glenview, IL, 60026

Phone (847) 570-1700

Fax (847) 657-1937

Enumeration date Jun 30, 2020

Last updated in NPPES Dec 6, 2022

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085008036 (IL) Primary

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 Claire Okkema practice?

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

What is the NPI number for Claire Okkema?

The National Provider Identifier (NPI) for Claire Okkema is 1023635687, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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James Spitz Colon & Rectal Surgery Physician · Glenview, IL NPI 1992807903 Joseph Muldoon Colon & Rectal Surgery Physician · Glenview, IL NPI 1629154356 John Linn Surgery Physician · Glenview, IL NPI 1750538880 Kathryn Weber Colon & Rectal Surgery Physician · Glenview, IL NPI 1265775274 Cassandra Snitowsky Nurse Practitioner · Glenview, IL NPI 1013322031 Natalie Liu Surgery Physician · Glenview, IL NPI 1780048959 Mahitha Gudivada Nurse Practitioner · Glenview, IL NPI 1194607580

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-06.