Lewis Sierra, MD

ActiveIndividual ProviderEmergency Medicine
NPI issued: November 17, 2005

Quick Facts

NPI Number
1346222023
TypeIndividual
StatusActive
SpecialtyEmergency Medicine
Taxonomy207P00000X — Emergency Medicine
Phone
(920) 926-8492
StateWI

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1346222023)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (November 17, 2005)
Data source: CMS NPPES

Provider Overview

LEWIS SIERRA, MD is a Emergency Medicine provider based in Fond Du Lac, WI who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1346222023
Provider TypeIndividual Provider
GenderMale
CredentialMD
StatusActive
Enumeration DateNovember 17, 2005

Practice Location

CityFond Du Lac
StateWI
ZIP Code54935-3423
Phone(920) 926-8492

Specialties & Licenses

★ Primary
SpecialtyEmergency Medicine
Taxonomy Code207P00000X
License StateWI

Mailing Address

CityFond Du Lac
StateWI
ZIP Code54935-3423
Phone(920) 926-8492
Same as practice location

How to Use This NPI

📋

For Insurance Billing

Use NPI 1346222023 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.

🏥

For Credentialing

Reference NPI 1346222023for 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 1346222023 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 Emergency Medicine

Emergency Medicine physicians specialize in the immediate decision-making and action necessary to prevent death or further disability in patients experiencing acute illness or trauma.

Browse all Emergency Medicineproviders →
📊
73,496
Emergency Medicine Providers in the US

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People Also Ask

What is Lewis Sierra's NPI number?
Lewis Sierra's NPI number is 1346222023, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Lewis Sierra's NPI currently active?
Yes, Lewis Sierra's NPI status is Active as of the latest CMS NPPES database updates.
What does Lewis Sierra specialize in?
Lewis Sierra specializes in Emergency Medicine. The healthcare taxonomy code associated with this specialty is 207P00000X.
Where does Lewis Sierra practice?
Lewis Sierra practices in Fond Du Lac, WI 54935-3423.
When was Lewis Sierra's NPI issued?
Lewis Sierra's NPI was issued on November 17, 2005.
What is Lewis Sierra's provider type?
Lewis Sierra is registered as an Individual Provider under CMS NPI Type 1.