Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Caroline B Trapp, N.P.

Nurse Practitioner in Southfield, MI · enumerated 2007.

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

National Provider Identifier

1023222148

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Registry record

Entity type Individual (Type 1)

Name Mrs. Caroline B Trapp

Credential N.P.

Sex Female

Practice address 29201 Telegraph Rd, Suite 404, Southfield, MI, 48034

Phone (248) 355-0880

Fax (248) 355-9232

Enumeration date May 9, 2007

Last updated in NPPES Feb 17, 2011

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704175528 (MI) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
1023222148	Medicaid	MI	-
500F318990	Other	MI	BLUE SHIELD

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

How do I verify Caroline Trapp's NPI record?

Cross-check NPI 1023222148 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1023222148 active?

Yes, as of the latest NPPES snapshot, NPI 1023222148 is active (record last updated 2011-02-17).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-02-17.