Hong Gu, MD
NPI 1205908027 · Internal Medicine Physician · Mountain View, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hong Gu, MD is a Internal Medicine Physician provider in Mountain View, CA (NPI 1205908027).
Provider details
- NPI number
- 1205908027
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A67285 (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
- 2006-11-15
- Last updated
- 2011-01-27
Frequently asked questions
- What is Hong Gu's NPI number?
- Hong Gu's National Provider Identifier (NPI) is 1205908027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hong Gu's specialty?
- Hong Gu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hong Gu located?
- Hong Gu's practice location on file with NPPES is 555 Castro St, Mountain View, CA 94041-2009.
- What is Hong Gu's phone number?
- The practice phone number listed in the NPPES registry for Hong Gu is (650) 903-2716.
- Does Hong Gu accept Medicare?
- Hong Gu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hong Gu's NPI active?
- Yes — Hong Gu's NPI (1205908027) is active in the NPPES registry as of the last update on 2011-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.