Colchester Internal Medicine, LLC
NPI 1083716203 · Internal Medicine Physician · Colchester, CT
Colchester Internal Medicine, LLC is a Internal Medicine Physician organization in Colchester, CT (NPI 1083716203).
Provider details
- NPI number
- 1083716203
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Catherine Hylwa, LLC Managing Member(860) 537-2262
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
- 2006-09-01
- Last updated
- 2020-08-22
Frequently asked questions
- What is Colchester Internal Medicine, LLC's NPI number?
- Colchester Internal Medicine, LLC's National Provider Identifier (NPI) is 1083716203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Colchester Internal Medicine, LLC?
- Colchester Internal Medicine, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colchester Internal Medicine, LLC located?
- Colchester Internal Medicine, LLC's practice location on file with NPPES is 199 Old Hartford Rd, Colchester, CT 06415-2739.
- What is Colchester Internal Medicine, LLC's phone number?
- The practice phone number listed in the NPPES registry for Colchester Internal Medicine, LLC is (860) 537-2262.
- Who is the authorized official for Colchester Internal Medicine, LLC?
- The authorized official listed on Colchester Internal Medicine, LLC's NPPES record is Catherine Hylwa, LLC Managing Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Colchester Internal Medicine, LLC's NPI active?
- Yes — Colchester Internal Medicine, LLC's NPI (1083716203) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.