Mark M. Segall, MD, a Medical Corporation
NPI 1538342001 · Colon & Rectal Surgery Physician · Los Gatos, CA
Mark M. Segall, MD, a Medical Corporation is a Colon & Rectal Surgery Physician organization in Los Gatos, CA (NPI 1538342001).
Provider details
- NPI number
- 1538342001
- Entity type
- Organization
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Segall, President(408) 358-3500
- License
- GO24951 (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
18 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
- 2007-12-07
- Last updated
- 2010-12-11
Frequently asked questions
- What is Mark M. Segall, MD, a Medical Corporation's NPI number?
- Mark M. Segall, MD, a Medical Corporation's National Provider Identifier (NPI) is 1538342001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark M. Segall, MD, a Medical Corporation?
- Mark M. Segall, MD, a Medical Corporation is classified in the NPPES registry as Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark M. Segall, MD, a Medical Corporation located?
- Mark M. Segall, MD, a Medical Corporation's practice location on file with NPPES is 15195 National Ave, Los Gatos, CA 95032-2631.
- What is Mark M. Segall, MD, a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Mark M. Segall, MD, a Medical Corporation is (408) 358-3500.
- Who is the authorized official for Mark M. Segall, MD, a Medical Corporation?
- The authorized official listed on Mark M. Segall, MD, a Medical Corporation's NPPES record is Mark Segall, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark M. Segall, MD, a Medical Corporation's NPI active?
- Yes — Mark M. Segall, MD, a Medical Corporation's NPI (1538342001) is active in the NPPES registry as of the last update on 2010-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.