Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Alaa Hajal MD

Organization Internal Medicine Physician · NPI 1023831682

Alaa Hajal MD is an Internal Medicine Physician in Diamond Bar, California. Registered with an NPI since 2024.

In the registry since
2024

Practice location Address checks out

1111 Grand Ave Ste L
Diamond Bar, CA 91765-4172
Phone: (909) 551-0205
Fax: (909) 345-7084
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1023831682
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Alaa Hajal — Owner · (586) 382-5390
Other names La Vista Medical Center
NPI enumeratedNovember 4, 2024
Last updated in NPPESMarch 26, 2025
Certification dateMarch 26, 2025
Mailing address11660 Church St Apt 166, Rancho Cucamonga, CA 91730-8927

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