NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Barry Sanford Landfield, MD

Family Medicine Physician in Greenbrae, CA · enumerated 2006.

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

National Provider Identifier

1386735058

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. Barry Sanford Landfield
Credential MD
Sex Male
Practice address 900 S Eliseo Dr, Suite 202, Greenbrae, CA, 94904
Phone (415) 461-3500
Fax (415) 461-3891
Enumeration date Sep 27, 2006
Last updated in NPPES Jul 30, 2008

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License G19884 (CA) 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

How do I verify Barry Landfield's NPI record?
Cross-check NPI 1386735058 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1386735058 active?
Yes, as of the latest NPPES snapshot, NPI 1386735058 is active (record last updated 2008-07-30).

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-30.