William Shaffer, M.D

NPI: 1972506913

William Shaffer, M.D

Q: What is William Shaffer's NPI number?

William Shaffer's NPI number is 1972506913, a unique 10-digit identifier issued by CMS.

Q: What does William Shaffer specialize in?

William Shaffer specializes in Nephrology, taxonomy code 207RN0300X.

Q: Where does William Shaffer practice?

William Shaffer practices in Corpus Christi, TX 78404-3154.

Q: When was William Shaffer's NPI issued?

William Shaffer's NPI was issued on May 23, 2005.

Q: What is William Shaffer's provider type?

William Shaffer is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderNephrology

NPI issued: May 23, 2005

Quick Facts

NPI Number

1972506913

TypeIndividual

StatusActive

SpecialtyNephrology

Taxonomy207RN0300X — Nephrology

Phone

(361) 887-8451

StateTX

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1972506913)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (May 23, 2005)

Data source: CMS NPPES

Provider Overview

WILLIAM SHAFFER, M.D is a Nephrology provider based in Corpus Christi, TX who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1972506913

Provider TypeIndividual Provider

GenderMale

CredentialM.D

StatusActive

Enumeration DateMay 23, 2005

Practice Location

CityCorpus Christi

StateTX

ZIP Code78404-3154

Phone(361) 887-8451

Specialties & Licenses

★ Primary

SpecialtyNephrology

Taxonomy Code207RN0300X

License StateTX

Mailing Address

CityCorpus Christi

StateTX

ZIP Code78404-3154

Phone(361) 887-8451

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1972506913 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 1972506913for 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 1972506913 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

Specialists in Nephrology provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.

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