Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rebecca Christophersen, APRN

Nurse Practitioner in Chicago, IL · enumerated 2007.

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

National Provider Identifier

1376683383

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Registry record

Entity type Individual (Type 1)

Name Rebecca Christophersen

Credential APRN

Sex Female

Practice address 625 N Michigan Ave, Suite 2550, Chicago, IL, 60611

Phone (312) 264-9797

Fax (312) 640-7736

Enumeration date Feb 7, 2007

Last updated in NPPES Aug 20, 2014

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209006341 (IL) Primary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Rebecca Christophersen?

Rebecca Christophersen is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Daniel Kim Psychiatry Physician · Chicago, IL NPI 1295766483 Adrienne Ray Obstetrics & Gynecology Physician · Chicago, IL NPI 1659387538 Barbara Silas Licensed Practical Nurse · Chicago, IL NPI 1134137714 Sara Gotheridge Psychiatry Physician · Chgo, IL NPI 1275630238 Cheryl Mclean Nurse Practitioner · Chicago, IL NPI 1346314960 Matthew Mills Specialist · Chicago, IL NPI 1437295201 Jo-Ann Finkelstein Clinical Psychologist · Chicago, IL NPI 1962526871 Katherine Billingham Health Psychologist · Chicago, IL NPI 1447474473

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-20.