Robert Shou Jen Tsai MD a Professional Corp
NPI 1831101351 · General Practice Physician · Paramount, CA
Robert Shou Jen Tsai MD a Professional Corp is a General Practice Physician organization in Paramount, CA (NPI 1831101351).
Provider details
- NPI number
- 1831101351
- Entity type
- Organization
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Tsai, President(562) 529-7772
- License
- A33163 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Other names (DBA / former)
- Other name
- Robert S Tsai MD Inc
Registry dates
- Enumerated
- 2006-08-13
- Last updated
- 2008-03-05
Frequently asked questions
- What is Robert Shou Jen Tsai MD a Professional Corp's NPI number?
- Robert Shou Jen Tsai MD a Professional Corp's National Provider Identifier (NPI) is 1831101351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert Shou Jen Tsai MD a Professional Corp?
- Robert Shou Jen Tsai MD a Professional Corp is classified in the NPPES registry as General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Shou Jen Tsai MD a Professional Corp located?
- Robert Shou Jen Tsai MD a Professional Corp's practice location on file with NPPES is 16415 S Colorado Ave, Paramount, CA 90723-5054.
- What is Robert Shou Jen Tsai MD a Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for Robert Shou Jen Tsai MD a Professional Corp is (562) 529-7772.
- Who is the authorized official for Robert Shou Jen Tsai MD a Professional Corp?
- The authorized official listed on Robert Shou Jen Tsai MD a Professional Corp's NPPES record is Robert Tsai, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert Shou Jen Tsai MD a Professional Corp's NPI active?
- Yes — Robert Shou Jen Tsai MD a Professional Corp's NPI (1831101351) is active in the NPPES registry as of the last update on 2008-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.