OrganizationActive
Adult & Pediatric Gastroenterology Medical Center
NPI 1538367818 · Gastroenterology Physician · San Ramon, CA
Provider details
- NPI number
- 1538367818
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jeffrey Mark, Physician(925) 736-8228
- License
- G83524 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
111 Deerwood Rd
Suite 168
San Ramon, CA 94583-4409
Phone: (925) 736-8228
Fax: (925) 736-8882
Street-level locationGet directions
Mailing address
111 Deerwood Rd
San Ramon, CA 94583-4409
Other names (DBA / former)
- Other name
- Blackhawk Center for Digestive Health
Registry dates
- Enumerated
- 2007-07-06
- Last updated
- 2012-01-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.