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

Ronald Holness, MD, Inc

Organization Specialist · NPI 1902931959

Ronald Holness, MD, Inc is a Specialist in Los Alamitos, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

3801 Katella Ave Ste 420
Los Alamitos, CA 90720-3338
Phone: (562) 598-2439
Fax: (562) 598-0022
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence G55605 (CA)

Record details

NPI number1902931959
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ronald Holness — President · (562) 598-2439
NPI enumeratedFebruary 22, 2007
Last updated in NPPESNovember 13, 2013
Mailing address3801 Katella Ave, Ste. 420, Los Alamitos, CA 90720-3338

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