Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Aaron Tong Lou, RN
Registered Nurse in Berkeley, CA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730770090
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Registry record
Entity type Individual (Type 1)
Name Aaron Tong Lou
Credential RN
Sex Male
Practice address 1890 Alcatraz Ave, Berkeley, CA, 94703
Phone (510) 981-7637
Enumeration date Jan 29, 2021
Last updated in NPPES Mar 15, 2021
Taxonomy & licenses
163WP0808X Psychiatric/Mental Health Registered Nurse Nursing Service Providers · License RN95142671 (CA) Secondary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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 Aaron Lou?
The National Provider Identifier (NPI) for Aaron Lou is 1730770090, a Type 1 (individual) record in the CMS NPPES registry.
Where does Aaron Lou practice?
The practice location on file with NPPES is in Berkeley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → The West Oakland Health Council Federally Qualified Health Center (FQHC) · Berkeley, CA NPI 1457471500 Michael Praus Social Worker · Berkeley, CA NPI 1659585578 Zhanetta Vaysman Registered Nurse · Berkeley, CA NPI 1629284815 City of Berkeley Mental Health Clinic/Center (Including Community Mental Health Center) · Berkeley, CA NPI 1710429642 Karl Guy Psychiatric/Mental Health Registered Nurse · Berkeley, CA NPI 1164916532 Marcus Davis Marriage & Family Therapist · Berkeley, CA NPI 1902420516 Laloni Carter Registered Nurse · Berkeley, CA NPI 1801413877
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-15.