OrganizationActive
Jean Warren Gillon Medical Corporation
NPI 1538391404 · Specialist · Redwood City, CA
Jean Warren Gillon Medical Corporation is a Specialist organization in Redwood City, CA (NPI 1538391404).
Provider details
- NPI number
- 1538391404
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Jean Gillon, Owner(650) 364-3828
- License
- G568080 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
2900 Whipple Ave
Suite #225
Redwood City, CA 94062-2843
Phone: (650) 364-3828
Fax: (650) 361-1727
Street-level locationGet directions
Mailing address
2900 Whipple Ave
Redwood City, CA 94062-2843
Other names (DBA / former)
- Doing business as
- Jean W. Gillon M.D.
Registry dates
- Enumerated
- 2009-08-11
- Last updated
- 2009-08-11
Frequently asked questions
- What is Jean Warren Gillon Medical Corporation's NPI number?
- Jean Warren Gillon Medical Corporation's National Provider Identifier (NPI) is 1538391404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jean Warren Gillon Medical Corporation?
- Jean Warren Gillon Medical Corporation is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Jean Warren Gillon Medical Corporation located?
- Jean Warren Gillon Medical Corporation's practice location on file with NPPES is 2900 Whipple Ave, Redwood City, CA 94062-2843.
- What is Jean Warren Gillon Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Jean Warren Gillon Medical Corporation is (650) 364-3828.
- Who is the authorized official for Jean Warren Gillon Medical Corporation?
- The authorized official listed on Jean Warren Gillon Medical Corporation's NPPES record is Jean Gillon, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jean Warren Gillon Medical Corporation's NPI active?
- Yes — Jean Warren Gillon Medical Corporation's NPI (1538391404) is active in the NPPES registry as of the last update on 2009-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.