Peninsula Gastroenterology Medical Group Inc
NPI 1558434589 · Gastroenterology Physician · Redwood City, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peninsula Gastroenterology Medical Group Inc is a Gastroenterology Physician organization in Redwood City, CA (NPI 1558434589).
Provider details
- NPI number
- 1558434589
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Torosis, Physician(650) 365-3700
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
- 2006-11-16
- Last updated
- 2010-03-02
Frequently asked questions
- What is Peninsula Gastroenterology Medical Group Inc's NPI number?
- Peninsula Gastroenterology Medical Group Inc's National Provider Identifier (NPI) is 1558434589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peninsula Gastroenterology Medical Group Inc?
- Peninsula Gastroenterology Medical Group Inc is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Peninsula Gastroenterology Medical Group Inc located?
- Peninsula Gastroenterology Medical Group Inc's practice location on file with NPPES is 2900 Whipple Ave Ste 245, Redwood City, CA 94062-2851.
- What is Peninsula Gastroenterology Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Peninsula Gastroenterology Medical Group Inc is (650) 365-3700.
- Does Peninsula Gastroenterology Medical Group Inc accept Medicare?
- Peninsula Gastroenterology Medical 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 Peninsula Gastroenterology Medical Group Inc?
- The authorized official listed on Peninsula Gastroenterology Medical Group Inc's NPPES record is James Torosis, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peninsula Gastroenterology Medical Group Inc's NPI active?
- Yes — Peninsula Gastroenterology Medical Group Inc's NPI (1558434589) is active in the NPPES registry as of the last update on 2010-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.