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John Clelland, SUB IDC
NPI 1235561804 · Independent Duty Corpsman · Groton, CT
John Clelland, SUB IDC is a Independent Duty Corpsman provider in Groton, CT (NPI 1235561804).
Provider details
- NPI number
- 1235561804
- Entity type
- Individual
- Primary specialty
- Independent Duty CorpsmanOther Service Providers
- Credential
- SUB IDC
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% 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
1 Wahoo Ave
Groton, CT 06349-2324
Phone: (330) 573-1202
Street-level locationGet directions
Mailing address
168 Arrowood Dr
Groton, CT 06340-2509
Registry dates
- Enumerated
- 2013-08-06
- Last updated
- 2013-08-06
Frequently asked questions
- What is John Clelland's NPI number?
- John Clelland's National Provider Identifier (NPI) is 1235561804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Clelland's specialty?
- John Clelland is listed in the NPPES registry with a primary specialty of Independent Duty Corpsman (Other Service Providers).
- Where is John Clelland located?
- John Clelland's practice location on file with NPPES is 1 Wahoo Ave, Groton, CT 06349-2324.
- What is John Clelland's phone number?
- The practice phone number listed in the NPPES registry for John Clelland is (330) 573-1202.
- Is John Clelland's NPI active?
- Yes — John Clelland's NPI (1235561804) is active in the NPPES registry as of the last update on 2013-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.