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

Arleen Guerrero Nieva, MD, Inc

Organization Internal Medicine Physician · NPI 1568767986

Arleen Guerrero Nieva, MD, Inc is an Internal Medicine Physician in Long Beach, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

330 W Willow St
Long Beach, CA 90806-2802
Phone: (562) 595-9835
Fax: (562) 424-8715
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A68932 (CA)

Record details

NPI number1568767986
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Shalom Nieva — Office Manager · (562) 595-9835
NPI enumeratedJanuary 14, 2011
Last updated in NPPESJanuary 14, 2011
Mailing address330 W Willow St, Long Beach, CA 90806-2802

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