William Geiger, M.D

NPI: 1780687202

William Geiger, M.D

Q: What is William Geiger's NPI number?

William Geiger's NPI number is 1780687202, a unique 10-digit identifier issued by CMS.

Q: What does William Geiger specialize in?

William Geiger specializes in Psychiatry, taxonomy code 2084P0800X.

Q: Where does William Geiger practice?

William Geiger practices in San Luis Obispo, CA 93405-1556.

Q: When was William Geiger's NPI issued?

William Geiger's NPI was issued on May 30, 2005.

Q: What is William Geiger's provider type?

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

ActiveIndividual ProviderPsychiatry

NPI issued: May 30, 2005

Quick Facts

NPI Number

1780687202

TypeIndividual

StatusActive

SpecialtyPsychiatry

Taxonomy2084P0800X — Psychiatry

Phone

(805) 543-1382

StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1780687202)

✅Active status confirmed

✅Verified by CMS NPPES Registry

✅HIPAA compliant identifier

✅Enumeration date on file (May 30, 2005)

Data source: CMS NPPES

Provider Overview

WILLIAM GEIGER, M.D is a Psychiatry provider based in San Luis Obispo, CA who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1780687202

Provider TypeIndividual Provider

GenderMale

CredentialM.D

StatusActive

Enumeration DateMay 30, 2005

Practice Location

CitySan Luis Obispo

StateCA

ZIP Code93405-1556

Phone(805) 543-1382

Specialties & Licenses

★ Primary

SpecialtyPsychiatry

Taxonomy Code2084P0800X

License StateCA

Mailing Address

CitySan Luis Obispo

StateCA

ZIP Code93405-1556

Phone(805) 543-1382

Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1780687202 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 1780687202for 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 1780687202 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 Psychiatry

Psychiatrists are medical doctors who specialize in the diagnosis, treatment, and prevention of mental, emotional, and behavioral disorders, with the authority to prescribe medications.

Browse all Psychiatryproviders →

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Psychiatry Providers in the US