J Bak, MD
NPI 1346312089 · Pediatrics Physician · Newton, MA
J Bak, MD is a Pediatrics Physician provider in Newton, MA (NPI 1346312089).
Provider details
- NPI number
- 1346312089
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00027729 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-11-15
- Last updated
- 2010-12-01
Frequently asked questions
- What is J Bak's NPI number?
- J Bak's National Provider Identifier (NPI) is 1346312089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is J Bak's specialty?
- J Bak is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is J Bak located?
- J Bak's practice location on file with NPPES is 2000 Washington St, Newton, MA 02462-1650.
- What is J Bak's phone number?
- The practice phone number listed in the NPPES registry for J Bak is (617) 243-6325.
- Is J Bak's NPI active?
- Yes — J Bak's NPI (1346312089) is active in the NPPES registry as of the last update on 2010-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.