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

Dr. Adam David Bier, M.D.

Q: What is the NPI number for Adam Bier?

The National Provider Identifier (NPI) for Adam Bier is 1477786747, a Type 1 (individual) record in the CMS NPPES registry.

Sports Medicine (Orthopaedic Surgery) Physician in Brooklyn, NY · enumerated 2009.

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

National Provider Identifier

1477786747

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Registry record

Entity type Individual (Type 1)

Name Dr. Adam David Bier

Credential M.D.

Sex Male

Practice address Brooklyn, NY, 11237

Phone (718) 963-7272

Enumeration date Sep 2, 2009

Last updated in NPPES Aug 18, 2023

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

Taxonomy & licenses

207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License 268359 (NY) Primary

207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License A103190 (CA) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Where does Adam Bier practice?

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

What is the NPI number for Adam Bier?

The National Provider Identifier (NPI) for Adam Bier is 1477786747, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-18.