Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Bruce Alexander Lief, MD

Psychiatry Physician in Phila, PA · enumerated 2006.

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

National Provider Identifier

1134228794

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Registry record

Entity type Individual (Type 1)

Name Bruce Alexander Lief

Credential MD

Sex Male

Practice address 2701 Holme Ave, Suite 204, Phila, PA, 19152

Phone (215) 333-7293

Fax (215) 333-7295

Enumeration date Sep 21, 2006

Last updated in NPPES Oct 22, 2014

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License MD013324E (PA) Primary

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

What specialty is Bruce Lief?

Bruce Lief is registered in NPPES with the primary taxonomy of Psychiatry Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-22.