C J Calvin Yang, M D a Professional Corp
NPI 1902998370 · Radiology Clinic/Center · Alhambra, CA
C J Calvin Yang, M D a Professional Corp is a Radiology Clinic/Center organization in Alhambra, CA (NPI 1902998370).
Provider details
- NPI number
- 1902998370
- Entity type
- Organization
- Primary specialty
- Radiology Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Chieh-Jen Yang, President(626) 572-2889
- License
- A45194 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
- 2006-09-29
- Last updated
- 2020-08-04
- Certified
- 2020-08-04
Frequently asked questions
- What is C J Calvin Yang, M D a Professional Corp's NPI number?
- C J Calvin Yang, M D a Professional Corp's National Provider Identifier (NPI) is 1902998370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is C J Calvin Yang, M D a Professional Corp?
- C J Calvin Yang, M D a Professional Corp is classified in the NPPES registry as Radiology Clinic/Center (Ambulatory Health Care Facilities).
- Where is C J Calvin Yang, M D a Professional Corp located?
- C J Calvin Yang, M D a Professional Corp's practice location on file with NPPES is 320 S Garfield Ave, Alhambra, CA 91801-3886.
- What is C J Calvin Yang, M D a Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for C J Calvin Yang, M D a Professional Corp is (626) 281-4487.
- Who is the authorized official for C J Calvin Yang, M D a Professional Corp?
- The authorized official listed on C J Calvin Yang, M D a Professional Corp's NPPES record is Chieh-Jen Yang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is C J Calvin Yang, M D a Professional Corp's NPI active?
- Yes — C J Calvin Yang, M D a Professional Corp's NPI (1902998370) is active in the NPPES registry as of the last update on 2020-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.