Silicon Valley Internist Group, Inc
NPI 1184998122 · Internal Medicine Physician · San Jose, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Silicon Valley Internist Group, Inc is a Internal Medicine Physician organization in San Jose, CA (NPI 1184998122).
Provider details
- NPI number
- 1184998122
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tam Nguyen, Physician(408) 258-5083
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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 920 Sunnyslope RdHollister, CA 95023-5784Phone: (408) 258-5083Fax: (408) 258-4347
- 18181 Butterfield Blvd Ste 180Morgan Hill, CA 95037-8112Phone: (408) 258-5083Fax: (408) 258-4347
Registry dates
- Enumerated
- 2012-03-07
- Last updated
- 2018-09-12
Frequently asked questions
- What is Silicon Valley Internist Group, Inc's NPI number?
- Silicon Valley Internist Group, Inc's National Provider Identifier (NPI) is 1184998122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Silicon Valley Internist Group, Inc?
- Silicon Valley Internist Group, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Silicon Valley Internist Group, Inc located?
- Silicon Valley Internist Group, Inc's practice location on file with NPPES is 200 Jose Figueres Ave Ste 180, San Jose, CA 95116-1586.
- What is Silicon Valley Internist Group, Inc's phone number?
- The practice phone number listed in the NPPES registry for Silicon Valley Internist Group, Inc is (408) 258-5083.
- Does Silicon Valley Internist Group, Inc accept Medicare?
- Silicon Valley Internist Group, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Silicon Valley Internist Group, Inc?
- The authorized official listed on Silicon Valley Internist Group, Inc's NPPES record is Tam Nguyen, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Silicon Valley Internist Group, Inc's NPI active?
- Yes — Silicon Valley Internist Group, Inc's NPI (1184998122) is active in the NPPES registry as of the last update on 2018-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.