IndividualActive
William Colom, MD
NPI 1558465849 · Internal Medicine Physician · New London, CT
William Colom, MD is a Internal Medicine Physician provider in New London, CT (NPI 1558465849).
Provider details
- NPI number
- 1558465849
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 017772 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
447 Montauk Avenue
New London, CT 06320
Phone: (860) 447-1426
Fax: (860) 447-0348
Street-level locationGet directions
Mailing address
447 Montauk Avenue
New London, CT 06320
Registry dates
- Enumerated
- 2006-09-08
- Last updated
- 2007-09-12
Frequently asked questions
- What is William Colom's NPI number?
- William Colom's National Provider Identifier (NPI) is 1558465849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Colom's specialty?
- William Colom is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Colom located?
- William Colom's practice location on file with NPPES is 447 Montauk Avenue, New London, CT 06320.
- What is William Colom's phone number?
- The practice phone number listed in the NPPES registry for William Colom is (860) 447-1426.
- Is William Colom's NPI active?
- Yes — William Colom's NPI (1558465849) is active in the NPPES registry as of the last update on 2007-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.