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Osvaldo Arenas-Diaz, M.D.
NPI 1043204142 · Specialist · Covina, CA
Osvaldo Arenas-Diaz, M.D. is a Specialist provider in Covina, CA (NPI 1043204142).
Provider details
- NPI number
- 1043204142
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- License
- A34699 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
218 W Badillo St
Covina, CA 91723-1906
Phone: (626) 332-6243
Fax: (626) 331-1264
Street-level locationGet directions
Mailing address
218 W Badillo St
Covina, CA 91723-1906
Registry dates
- Enumerated
- 2005-09-02
- Last updated
- 2007-07-09
Frequently asked questions
- What is Osvaldo Arenas-Diaz's NPI number?
- Osvaldo Arenas-Diaz's National Provider Identifier (NPI) is 1043204142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Osvaldo Arenas-Diaz's specialty?
- Osvaldo Arenas-Diaz is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Osvaldo Arenas-Diaz located?
- Osvaldo Arenas-Diaz's practice location on file with NPPES is 218 W Badillo St, Covina, CA 91723-1906.
- What is Osvaldo Arenas-Diaz's phone number?
- The practice phone number listed in the NPPES registry for Osvaldo Arenas-Diaz is (626) 332-6243.
- Is Osvaldo Arenas-Diaz's NPI active?
- Yes — Osvaldo Arenas-Diaz's NPI (1043204142) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.