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

David Bierman

Psychiatry Physician in Cary, NC · enumerated 2016 · practices at David R. Bierman, M.D., P.A..

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

National Provider Identifier

1144686924

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Registry record

Entity type Individual (Type 1)

Name David Bierman

Sex Male

Practice address Cary, NC, 27513

Phone (919) 677-0031

Enumeration date Jan 8, 2016

Last updated in NPPES Sep 6, 2016

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

Taxonomy & licenses

2084A0401X Addiction Medicine (Psychiatry & Neurology) Physician Allopathic & Osteopathic Physicians · License 30600 (NC) Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License MD60672211 (WA) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for David Bierman?

The National Provider Identifier (NPI) for David Bierman is 1144686924, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Bierman practice?

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

Other providers at this practice address

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David R. Bierman, M.D., P.A. Adult Mental Health Clinic/Center · Cary, NC NPI 1336362763

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-06.