Walter Ernsdorf, PHD

NPI: 1801941026

Walter Ernsdorf, PHD

Q: What is Walter Ernsdorf's NPI number?

Walter Ernsdorf's NPI number is 1801941026, a unique 10-digit identifier issued by CMS.

Q: What does Walter Ernsdorf specialize in?

Walter Ernsdorf specializes in Psychologist, taxonomy code 103T00000X.

Q: Where does Walter Ernsdorf practice?

Walter Ernsdorf practices in Laguna Niguel, CA 92677.

Q: When was Walter Ernsdorf's NPI issued?

Walter Ernsdorf's NPI was issued on January 25, 2007.

Q: What is Walter Ernsdorf's provider type?

Walter Ernsdorf is an Individual Provider under CMS NPI Type 1.

ActiveIndividual ProviderPsychologist

NPI issued: January 25, 2007

Quick Facts

NPI Number

1801941026

TypeIndividual

StatusActive

SpecialtyPsychologist

Taxonomy103T00000X — Psychologist

Phone

(949) 495-8853

StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1801941026)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (January 25, 2007)

Data source: CMS NPPES

Provider Overview

WALTER ERNSDORF, PHD is a Psychologist provider based in Laguna Niguel, CA who has been registered with CMS since 2007. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1801941026

Provider TypeIndividual Provider

GenderMale

CredentialPHD

StatusActive

Enumeration DateJanuary 25, 2007

Practice Location

CityLaguna Niguel

StateCA

ZIP Code92677

Phone(949) 495-8853

Specialties & Licenses

★ Primary

SpecialtyPsychologist

Taxonomy Code103T00000X

License StateCA

Mailing Address

CityLaguna Niguel

StateCA

ZIP Code92677

Phone(949) 495-8853

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1801941026 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 1801941026for 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 1801941026 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 Psychologist

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