Mark Segall, M.D.
NPI 1437232451 · Colon & Rectal Surgery Physician · Los Gatos, CA
Mark Segall, M.D. is a Colon & Rectal Surgery Physician provider in Los Gatos, CA (NPI 1437232451).
Provider details
- NPI number
- 1437232451
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G024951 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-10-23
- Last updated
- 2011-09-14
Frequently asked questions
- What is Mark Segall's NPI number?
- Mark Segall's National Provider Identifier (NPI) is 1437232451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Segall's specialty?
- Mark Segall is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Segall located?
- Mark Segall's practice location on file with NPPES is 15195 National Ave, Los Gatos, CA 95032-2631.
- What is Mark Segall's phone number?
- The practice phone number listed in the NPPES registry for Mark Segall is (408) 358-3500.
- Is Mark Segall's NPI active?
- Yes — Mark Segall's NPI (1437232451) is active in the NPPES registry as of the last update on 2011-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.