Santiago Villarreal, M.D

NPI: 1225035199

Santiago Villarreal, M.D

Q: What is Santiago Villarreal's NPI number?

Santiago Villarreal's NPI number is 1225035199, a unique 10-digit identifier issued by CMS.

Q: What does Santiago Villarreal specialize in?

Santiago Villarreal specializes in Nephrology, taxonomy code 207RN0300X.

Q: Where does Santiago Villarreal practice?

Santiago Villarreal practices in San Antonio, TX 78228-3419.

Q: When was Santiago Villarreal's NPI issued?

Santiago Villarreal's NPI was issued on July 7, 2005.

Q: What is Santiago Villarreal's provider type?

Santiago Villarreal is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderNephrology

NPI issued: July 7, 2005

Quick Facts

NPI Number

1225035199

TypeIndividual

StatusActive

SpecialtyNephrology

Taxonomy207RN0300X — Nephrology

Phone

(210) 647-1195

StateTX

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1225035199)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (July 7, 2005)

Data source: CMS NPPES

Provider Overview

SANTIAGO VILLARREAL, M.D is a Nephrology provider based in San Antonio, TX who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1225035199

Provider TypeIndividual Provider

GenderMale

CredentialM.D

StatusActive

Enumeration DateJuly 7, 2005

Practice Location

CitySan Antonio

StateTX

ZIP Code78228-3419

Phone(210) 647-1195

Specialties & Licenses

★ Primary

SpecialtyNephrology

Taxonomy Code207RN0300X

License StateTX

Mailing Address

CitySan Antonio

StateTX

ZIP Code78228-3419

Phone(210) 647-1195

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1225035199 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 1225035199for 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 1225035199 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 Nephrology

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