Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Douglas Billingsley, LISW

Social Worker in Centerville, IA · enumerated 2015 · practices at Advancements in Counseling, Education, and Law.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1083003594

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Registry record

Entity type Individual (Type 1)

Name Douglas Billingsley

Credential LISW

Sex Male

Practice address Centerville, IA, 52544

Phone (563) 370-6670

Enumeration date Jan 21, 2015

Last updated in NPPES Mar 23, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 008413 (IA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Douglas Billingsley?

The National Provider Identifier (NPI) for Douglas Billingsley is 1083003594, a Type 1 (individual) record in the CMS NPPES registry.

Where does Douglas Billingsley practice?

The practice location on file with NPPES is in Centerville, IA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Julie De Vries Mental Health Counselor · Centerville, IA NPI 1043755432 Advancements in Counseling, Education, and Law Mental Health Clinic/Center (Including Community Mental Health Center) · Centerville, IA NPI 1407743321

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-23.