David Sack, MD
NPI 1710986898 · Gastroenterology Physician · Manchester, NH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Sack, MD is a Gastroenterology Physician provider in Manchester, NH (NPI 1710986898).
Provider details
- NPI number
- 1710986898
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 027392 (CT)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 455 Lewis AveSuite 105Meriden, CT 06451-2121Phone: (203) 237-2477Fax: (203) 238-1839
Registry dates
- Enumerated
- 2005-07-20
- Last updated
- 2022-10-03
- Certified
- 2022-10-03
Frequently asked questions
- What is David Sack's NPI number?
- David Sack's National Provider Identifier (NPI) is 1710986898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Sack's specialty?
- David Sack is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is David Sack located?
- David Sack's practice location on file with NPPES is 100 Hitchcock Way, Manchester, NH 03104-4125.
- What is David Sack's phone number?
- The practice phone number listed in the NPPES registry for David Sack is (603) 695-2500.
- Does David Sack accept Medicare?
- David Sack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Sack's NPI active?
- Yes — David Sack's NPI (1710986898) is active in the NPPES registry as of the last update on 2022-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.