Kristen Willison, MD

ActiveIndividual ProviderFamily Medicine
NPI issued: September 14, 2005

Quick Facts

NPI Number
1306831599
TypeIndividual
StatusActive
SpecialtyFamily Medicine
Taxonomy207Q00000X — Family Medicine
Phone
(650) 348-0454
StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1306831599)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (September 14, 2005)
Data source: CMS NPPES

Provider Overview

KRISTEN WILLISON, MD is a Family Medicine provider based in San Mateo, CA who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1306831599
Provider TypeIndividual Provider
GenderFemale
CredentialMD
StatusActive
Enumeration DateSeptember 14, 2005

Practice Location

CitySan Mateo
StateCA
ZIP Code94401-3857
Phone(650) 348-0454

Specialties & Licenses

★ Primary
SpecialtyFamily Medicine
Taxonomy Code207Q00000X
License StateCA

Mailing Address

CitySan Mateo
StateCA
ZIP Code94401-3857
Phone(650) 348-0454
Same as practice location

How to Use This NPI

📋

For Insurance Billing

Use NPI 1306831599 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 1306831599for 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 1306831599 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 Family Medicine

Family Medicine physicians provide comprehensive primary care to patients of all ages, managing acute illnesses, tracking chronic conditions, and emphasizing preventive healthcare.

Browse all Family Medicineproviders →
📊
199,317
Family Medicine Providers in the US

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People Also Ask

What is Kristen Willison's NPI number?
Kristen Willison's NPI number is 1306831599, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Kristen Willison's NPI currently active?
Yes, Kristen Willison's NPI status is Active as of the latest CMS NPPES database updates.
What does Kristen Willison specialize in?
Kristen Willison specializes in Family Medicine. The healthcare taxonomy code associated with this specialty is 207Q00000X.
Where does Kristen Willison practice?
Kristen Willison practices in San Mateo, CA 94401-3857.
When was Kristen Willison's NPI issued?
Kristen Willison's NPI was issued on September 14, 2005.
What is Kristen Willison's provider type?
Kristen Willison is registered as an Individual Provider under CMS NPI Type 1.