OrganizationActive
Alan Siu MD Inc
NPI 1427880996 · Neurological Surgery Physician · Alhambra, CA
Provider details
- NPI number
- 1427880996
- Entity type
- Organization
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alan Siu, President(571) 249-3327
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1658 W. Valley Blvd
Suite 210
Alhambra, CA 91803
Phone: (571) 249-3327
Street-level locationGet directions
Mailing address
3154 Glendale Blvd # 1216
Los Angeles, CA 90039-1830
Registry dates
- Enumerated
- 2024-08-14
- Last updated
- 2026-02-05
- Certified
- 2026-02-05
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.