Michael Blefeld, M.D.
NPI 1104997923 · Pediatrics Physician · Groton, CT
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Blefeld, M.D. is a Pediatrics Physician provider in Groton, CT (NPI 1104997923).
Provider details
- NPI number
- 1104997923
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 22070 (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
- 2006-11-13
- Last updated
- 2008-12-29
Frequently asked questions
- What is Michael Blefeld's NPI number?
- Michael Blefeld's National Provider Identifier (NPI) is 1104997923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Blefeld's specialty?
- Michael Blefeld is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Blefeld located?
- Michael Blefeld's practice location on file with NPPES is 495 Gold Star Hwy, Groton, CT 06340-6228.
- What is Michael Blefeld's phone number?
- The practice phone number listed in the NPPES registry for Michael Blefeld is (860) 449-8882.
- Does Michael Blefeld accept Medicare?
- Michael Blefeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Blefeld's NPI active?
- Yes — Michael Blefeld's NPI (1104997923) is active in the NPPES registry as of the last update on 2008-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.