Ronald Holness, M.d.,inc
NPI 1902931959 · Specialist · Los Alamitos, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Holness, M.d.,inc is a Specialist organization in Los Alamitos, CA (NPI 1902931959).
Provider details
- NPI number
- 1902931959
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Ronald Holness, President(562) 598-2439
- License
- G55605 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs 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
Mailing address
Registry dates
- Enumerated
- 2007-02-22
- Last updated
- 2013-11-13
Frequently asked questions
- What is Ronald Holness, M.d.,inc's NPI number?
- Ronald Holness, M.d.,inc's National Provider Identifier (NPI) is 1902931959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ronald Holness, M.d.,inc?
- Ronald Holness, M.d.,inc is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Ronald Holness, M.d.,inc located?
- Ronald Holness, M.d.,inc's practice location on file with NPPES is 3801 Katella Ave, Los Alamitos, CA 90720-3338.
- What is Ronald Holness, M.d.,inc's phone number?
- The practice phone number listed in the NPPES registry for Ronald Holness, M.d.,inc is (562) 598-2439.
- Does Ronald Holness, M.d.,inc accept Medicare?
- Ronald Holness, M.d.,inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Ronald Holness, M.d.,inc?
- The authorized official listed on Ronald Holness, M.d.,inc's NPPES record is Ronald Holness, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ronald Holness, M.d.,inc's NPI active?
- Yes — Ronald Holness, M.d.,inc's NPI (1902931959) is active in the NPPES registry as of the last update on 2013-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.