IndividualActive
Teodoro Diaz, DO
NPI 1437190113 · Family Medicine Physician · Ontario, CA
Teodoro Diaz, DO is a Family Medicine Physician provider in Ontario, CA (NPI 1437190113).
Provider details
- NPI number
- 1437190113
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A8127 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
3550 E Philadelphia St
Suite 150
Ontario, CA 91761-2962
Phone: (909) 773-0022
Fax: (909) 781-6013
Street-level locationGet directions
Mailing address
3550 E Philadelphia St
Ontario, CA 91761-2962
Registry dates
- Enumerated
- 2006-06-10
- Last updated
- 2015-11-11
Frequently asked questions
- What is Teodoro Diaz's NPI number?
- Teodoro Diaz's National Provider Identifier (NPI) is 1437190113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teodoro Diaz's specialty?
- Teodoro Diaz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Teodoro Diaz located?
- Teodoro Diaz's practice location on file with NPPES is 3550 E Philadelphia St, Ontario, CA 91761-2962.
- What is Teodoro Diaz's phone number?
- The practice phone number listed in the NPPES registry for Teodoro Diaz is (909) 773-0022.
- Is Teodoro Diaz's NPI active?
- Yes — Teodoro Diaz's NPI (1437190113) is active in the NPPES registry as of the last update on 2015-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.