IndividualActive
John Jakimczyk, M.D.
NPI 1477542967 · Pediatrics Physician · Acton, MA
Provider details
- NPI number
- 1477542967
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 160759 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
321 Main St
Acton, MA 01720-3718
Phone: (978) 635-8700
Fax: (978) 635-8920
Street-level locationGet directions
Mailing address
321 Main St
Acton, MA 01720-3718
Registry dates
- Enumerated
- 2005-10-17
- Last updated
- 2015-03-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.