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

David William Lowenberg, MD

Orthopaedic Trauma Physician in San Francisco, CA · enumerated 2006.

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

National Provider Identifier

1992746150

Verified

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Registry record

Entity type Individual (Type 1)

Name David William Lowenberg

Credential MD

Sex Male

Practice address San Francisco, CA, 94115

Phone (415) 600-3835

Fax (415) 600-3837

Enumeration date Jun 9, 2006

Last updated in NPPES Apr 28, 2024

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

Taxonomy & licenses

207XX0801X Orthopaedic Trauma Physician Allopathic & Osteopathic Physicians · License G59471 (CA) Primary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License G59471 (CA) Secondary

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

Other identifiers

Identifier	Type	State	Issuer
200035805	Other	CA	RAILROAD MEDICARE NUMBER

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 Lowenberg?

The National Provider Identifier (NPI) for David Lowenberg is 1992746150, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Lowenberg practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-28.