OrganizationActive
Marshall Gastrointestinal Endoscopy, PC
NPI 1285886945 · Gastroenterology Physician · Hewlett, NY
Provider details
- NPI number
- 1285886945
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andrew Marshall, Physician/President(516) 593-4200
- License
- 193405 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
1800 Rockaway Ave
Suite 201
Hewlett, NY 11557-1665
Phone: (516) 593-4200
Fax: (516) 887-9120
Street-level locationGet directions
Mailing address
1800 Rockaway Ave
Hewlett, NY 11557-1665
Registry dates
- Enumerated
- 2008-10-14
- Last updated
- 2008-10-14
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.