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Siu-Ming Tam, M.D.
NPI 1578657292 · Diagnostic Radiology Physician · Tustin, CA
Siu-Ming Tam, M.D. is a Diagnostic Radiology Physician provider in Tustin, CA (NPI 1578657292).
Provider details
- NPI number
- 1578657292
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G76271 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
13422 Newport Av
Suite I
Tustin, CA 92780-3746
Phone: (714) 665-6901
Fax: (714) 665-6904
Street-level locationGet directions
Mailing address
5958 Burchell Ave
San Jose, CA 95120-3811
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2017-01-14
Frequently asked questions
- What is Siu-Ming Tam's NPI number?
- Siu-Ming Tam's National Provider Identifier (NPI) is 1578657292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siu-Ming Tam's specialty?
- Siu-Ming Tam is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Siu-Ming Tam located?
- Siu-Ming Tam's practice location on file with NPPES is 13422 Newport Av, Tustin, CA 92780-3746.
- What is Siu-Ming Tam's phone number?
- The practice phone number listed in the NPPES registry for Siu-Ming Tam is (714) 665-6901.
- Is Siu-Ming Tam's NPI active?
- Yes — Siu-Ming Tam's NPI (1578657292) is active in the NPPES registry as of the last update on 2017-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.