Cathy Sizer, NP

ActiveIndividual ProviderNurse Practitioner
NPI issued: October 4, 2005

Quick Facts

NPI Number
1467449512
TypeIndividual
StatusActive
SpecialtyNurse Practitioner
Taxonomy363LP0200X — Nurse Practitioner
Phone
(978) 577-0437
StateMA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1467449512)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (October 4, 2005)
Data source: CMS NPPES

Provider Overview

CATHY SIZER, NP is a Nurse Practitioner provider based in Westford, MA who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1467449512
Provider TypeIndividual Provider
GenderFemale
CredentialNP
StatusActive
Enumeration DateOctober 4, 2005

Practice Location

CityWestford
StateMA
ZIP Code01886-3198
Phone(978) 577-0437

Specialties & Licenses

★ Primary
SpecialtyNurse Practitioner
Taxonomy Code363LP0200X
License StateMA

Mailing Address

CityWestford
StateMA
ZIP Code01886-3198
Phone(978) 577-0437
Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1467449512 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1467449512for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1467449512 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Nurse Practitioner

Family Nurse Practitioners (FNPs) provide comprehensive primary healthcare services across the lifespan, including diagnostic assessments, prescribing medications, and disease prevention education.

Browse all Nurse Practitionerproviders →
📊
21,780
Nurse Practitioner Providers in the US

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People Also Ask

What is Cathy Sizer's NPI number?
Cathy Sizer's NPI number is 1467449512, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Cathy Sizer's NPI currently active?
Yes, Cathy Sizer's NPI status is Active as of the latest CMS NPPES database updates.
What does Cathy Sizer specialize in?
Cathy Sizer specializes in Nurse Practitioner. The healthcare taxonomy code associated with this specialty is 363LP0200X.
Where does Cathy Sizer practice?
Cathy Sizer practices in Westford, MA 01886-3198.
When was Cathy Sizer's NPI issued?
Cathy Sizer's NPI was issued on October 4, 2005.
What is Cathy Sizer's provider type?
Cathy Sizer is registered as an Individual Provider under CMS NPI Type 1.