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RONALD HOLNESS, M.D.,INC
NPI 1902931959
Specialist in Los Alamitos, CA

Active since February 22, 2007
3801 KATELLA AVE, STE. 420, LOS ALAMITOS, CA 90720(562) 598-2439(562) 598-0022 Get Directions Write a Review

NPPES record last updated: November 13, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ronald Holness, M.d.,inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RONALD HOLNESS, M.D.,INC (NPI 1902931959) is a healthcare organization registered as a specialist in Los Alamitos, California and active in the NPI registry since February 2007. The organization lists Ronald C Holness, President, as its authorized official.

NPPES Registry Identity

NPI1902931959
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameRONALD HOLNESS, M.D.,INC
Location Address3801 KATELLA AVE, STE. 420Los Alamitos, CA 90720-3338
Mailing Address3801 Katella Ave, Ste. 420Los Alamitos, CA 90720-3338 · (562) 598-2439 · Fax (562) 598-0022
Phone(562) 598-2439
Fax(562) 598-0022
Organization SubpartNo
Authorized OfficialRonald C HolnessPresident · (562) 598-2439
Enumeration DateFebruary 22, 2007
Last NPPES UpdateNovember 13, 2013
✔ NPI 1902931959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · G55605
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3801 KATELLA AVE, Los Alamitos, CA 90720
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Other Identifiers 2

Medicaid00G556051CA
Medicare UPINW16971CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALEXANDER E LOSCIALPO MD INC
Allergy & Immunology (Allergy)
3801 KATELLA AVE, SUITE 201
LOS ALAMITOS, CA 90720
Orange County (714) 378-2480
ANDRE BABAJANIANS MD MEDICAL CORP
Clinic/Center (Medical Specialty)
3801 KATELLA AVE, SUITE 321
LOS ALAMITOS, CA 90720
Orange County (562) 594-3766
DR. MINH TUE HUYNH M.D.
Internal Medicine (Hematology & Oncology)
3801 KATELLA AVE, SUITE 207
LOS ALAMITOS, CA 90720
Orange County (562) 598-9745
DR. AYLA MUNAWAR D.O.
Pediatrics
3801 KATELLA AVE, STE 221
LOS ALAMITOS, CA 90720
Orange County (562) 431-6548
DR. OMID VAHDAT M.D.
Internal Medicine (Interventional Cardiology)
3801 KATELLA AVE, SUITE 310
LOS ALAMITOS, CA 90720
Orange County (562) 598-0604
MARIO CURTI M.D.
Internal Medicine (Hematology & Oncology)
3801 KATELLA AVE, SUITE #207
LOS ALAMITOS, CA 90720
Orange County (562) 598-9745
DR. ING L WONG MD
Internal Medicine (Nephrology)
3801 KATELLA AVE, STE 225
LOS ALAMITOS, CA 90720
Orange County (562) 594-6995
DR. FERNANDO MENDOZA M.D.
Internal Medicine (Cardiovascular Disease)
3801 KATELLA AVE, SUITE 401
LOS ALAMITOS, CA 90720
Orange County (562) 598-3200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Holness, M.D.,inc's NPI number?

The NPI number for Ronald Holness, M.D.,inc is 1902931959. It was assigned to this organization in the NPPES registry on February 22, 2007.

Where is Ronald Holness, M.D.,inc located?

Ronald Holness, M.D.,inc is located at 3801 Katella Ave Ste. 420, Los Alamitos, CA 90720. The listed phone number is (562) 598-2439.

What is Ronald Holness, M.D.,inc's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Ronald Holness, M.D.,inc was last updated on November 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.