Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Daniel Geren, L.AC.
Acupuncturist in Mill Valley, CA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902227150
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Registry record
Entity type Individual (Type 1)
Name Daniel Geren
Credential L.AC.
Sex Male
Practice address 5 Weatherly Dr Apt 209, Mill Valley, CA, 94941
Phone (415) 968-9294
Enumeration date Dec 13, 2013
Last updated in NPPES Dec 13, 2013
Taxonomy & licenses
LAC · Licensed Acupuncturist: A practitioner licensed to perform acupuncture.
About the LAC 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.
Frequently asked questions
What is the NPI number for Daniel Geren?
The National Provider Identifier (NPI) for Daniel Geren is 1902227150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Daniel Geren practice?
The practice location on file with NPPES is in Mill Valley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-13.