Marin Gastroenterology
NPI 1730125758 · Clinical Pathology/Laboratory Medicine Physician · Corte Madera, CA
Marin Gastroenterology is a Clinical Pathology/Laboratory Medicine Physician organization in Corte Madera, CA (NPI 1730125758).
Provider details
- NPI number
- 1730125758
- Entity type
- Organization
- Primary specialty
- Clinical Pathology/Laboratory Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Timothy Sowerby, Managing Partner(415) 925-6900
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Gastroenterology Physician207RG0100X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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)
- 1350 S Eliseo DrSte 130Greenbrae, CA 94904Phone: (415) 925-6900Fax: (415) 925-6919
- 7120 Redwood BlvdNovato, CA 94945-4114Phone: (415) 925-6900Fax: (415) 925-6919
Registry dates
- Enumerated
- 2006-06-20
- Last updated
- 2022-03-14
- Certified
- 2022-03-14
Frequently asked questions
- What is Marin Gastroenterology's NPI number?
- Marin Gastroenterology's National Provider Identifier (NPI) is 1730125758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marin Gastroenterology?
- Marin Gastroenterology is classified in the NPPES registry as Clinical Pathology/Laboratory Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marin Gastroenterology located?
- Marin Gastroenterology's practice location on file with NPPES is 200 Tamal Plz Ste 200, Corte Madera, CA 94925-1196.
- What is Marin Gastroenterology's phone number?
- The practice phone number listed in the NPPES registry for Marin Gastroenterology is (415) 925-6900.
- Who is the authorized official for Marin Gastroenterology?
- The authorized official listed on Marin Gastroenterology's NPPES record is Timothy Sowerby, Managing Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marin Gastroenterology's NPI active?
- Yes — Marin Gastroenterology's NPI (1730125758) is active in the NPPES registry as of the last update on 2022-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.