Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jennifer Whittaker, APRN

Primary Care Nurse Practitioner in Marlborough, CT · enumerated 2021.

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

National Provider Identifier

1578237400

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Registry record

Entity type Individual (Type 1)

Name Jennifer Whittaker

Credential APRN

Sex Female

Practice address 85 Stage Harbor Rd, Marlborough, CT, 06447

Phone (203) 497-3861

Enumeration date Aug 4, 2021

Last updated in NPPES Aug 4, 2021

Taxonomy & licenses

363LP2300X Primary Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 12.009834 (CT) 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

How do I verify Jennifer Whittaker's NPI record?

Cross-check NPI 1578237400 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1578237400 active?

Yes, as of the latest NPPES snapshot, NPI 1578237400 is active (record last updated 2021-08-04).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-04.