OrganizationActive
Stanley W. Yang, M.D., a Professional Medical Corporation
NPI 1689933319 · Specialist · Upland, CA
Stanley W. Yang, M.D., a Professional Medical Corporation is a Specialist organization in Upland, CA (NPI 1689933319).
Provider details
- NPI number
- 1689933319
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Stanley Yang, President(909) 982-4706
- License
- A297560 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
914 W Foothill Blvd
Suite a
Upland, CA 91786-3785
Phone: (909) 982-4706
Fax: (909) 946-8545
Street-level locationGet directions
Mailing address
914 W Foothill Blvd
Upland, CA 91786-3785
Registry dates
- Enumerated
- 2012-05-15
- Last updated
- 2012-05-15
Frequently asked questions
- What is Stanley W. Yang, M.D., a Professional Medical Corporation's NPI number?
- Stanley W. Yang, M.D., a Professional Medical Corporation's National Provider Identifier (NPI) is 1689933319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stanley W. Yang, M.D., a Professional Medical Corporation?
- Stanley W. Yang, M.D., a Professional Medical Corporation is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Stanley W. Yang, M.D., a Professional Medical Corporation located?
- Stanley W. Yang, M.D., a Professional Medical Corporation's practice location on file with NPPES is 914 W Foothill Blvd, Upland, CA 91786-3785.
- What is Stanley W. Yang, M.D., a Professional Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Stanley W. Yang, M.D., a Professional Medical Corporation is (909) 982-4706.
- Who is the authorized official for Stanley W. Yang, M.D., a Professional Medical Corporation?
- The authorized official listed on Stanley W. Yang, M.D., a Professional Medical Corporation's NPPES record is Stanley Yang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stanley W. Yang, M.D., a Professional Medical Corporation's NPI active?
- Yes — Stanley W. Yang, M.D., a Professional Medical Corporation's NPI (1689933319) is active in the NPPES registry as of the last update on 2012-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.