OrganizationActive
Ambrose Y Tsang MD Inc
NPI 1841372398 · Specialist · Downey, CA
Ambrose Y Tsang MD Inc is a Specialist organization in Downey, CA (NPI 1841372398).
Provider details
- NPI number
- 1841372398
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Ambrose Tsang, President(562) 862-0804
- License
- G28688 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 index)
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
11480 Brookshire Ave
Ste 302
Downey, CA 90241-5018
Phone: (562) 862-0804
Fax: (562) 862-8184
Street-level locationGet directions
Mailing address
11480 Brookshire Ave
Downey, CA 90241-5018
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2020-08-22
Frequently asked questions
- What is Ambrose Y Tsang MD Inc's NPI number?
- Ambrose Y Tsang MD Inc's National Provider Identifier (NPI) is 1841372398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ambrose Y Tsang MD Inc?
- Ambrose Y Tsang MD Inc is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Ambrose Y Tsang MD Inc located?
- Ambrose Y Tsang MD Inc's practice location on file with NPPES is 11480 Brookshire Ave, Downey, CA 90241-5018.
- What is Ambrose Y Tsang MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Ambrose Y Tsang MD Inc is (562) 862-0804.
- Who is the authorized official for Ambrose Y Tsang MD Inc?
- The authorized official listed on Ambrose Y Tsang MD Inc's NPPES record is Ambrose Tsang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ambrose Y Tsang MD Inc's NPI active?
- Yes — Ambrose Y Tsang MD Inc's NPI (1841372398) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.