Charles Leach, MD
NPI 1720091788 · Internal Medicine Physician · Glastonbury, CT
Charles Leach, MD is a Internal Medicine Physician provider in Glastonbury, CT (NPI 1720091788).
Provider details
- NPI number
- 1720091788
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 019486 (CT)
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
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
- 2006-08-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Leach's NPI number?
- Charles Leach's National Provider Identifier (NPI) is 1720091788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Leach's specialty?
- Charles Leach is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Leach located?
- Charles Leach's practice location on file with NPPES is 379 Naubuc Ave, Glastonbury, CT 06033-1076.
- What is Charles Leach's phone number?
- The practice phone number listed in the NPPES registry for Charles Leach is (860) 652-3320.
- Is Charles Leach's NPI active?
- Yes — Charles Leach's NPI (1720091788) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.