Sandy Chun, MD
NPI 1144307083 · Internal Medicine Physician · Mountain View, CA
Sandy Chun, MD is a Internal Medicine Physician provider in Mountain View, CA (NPI 1144307083).
Provider details
- NPI number
- 1144307083
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G50861 (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
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
- 2006-10-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sandy Chun's NPI number?
- Sandy Chun's National Provider Identifier (NPI) is 1144307083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Chun's specialty?
- Sandy Chun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sandy Chun located?
- Sandy Chun's practice location on file with NPPES is 555 Castro St, Mountain View, CA 94041-2009.
- What is Sandy Chun's phone number?
- The practice phone number listed in the NPPES registry for Sandy Chun is (650) 903-3000.
- Is Sandy Chun's NPI active?
- Yes — Sandy Chun's NPI (1144307083) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.