NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Ann T Carroll, NNP

Neonatal Nurse Practitioner in Portland, ME · enumerated 2006.

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

National Provider Identifier

1134287147

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Registry record

Entity type Individual (Type 1)
Name Ms. Ann T Carroll
Credential NNP
Sex Female
Practice address Portland, ME, 04102
Fax (207) 662-6063
Enumeration date Dec 4, 2006
Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LN0000X Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R020976 (ME) 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.

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Frequently asked questions

Where does Ann Carroll practice?
The practice location on file with NPPES is in Portland, ME. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ann Carroll?
The National Provider Identifier (NPI) for Ann Carroll is 1134287147, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.