J Randolph Bak, MD
Pediatrics Physician · Newton, MA
J Randolph Bak, MD is a pediatrics physician with a practice address in Newton, Massachusetts, and NPI 1346312089, issued on Nov 15, 2006. Check the license (Massachusetts 230693, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- J Randolph Bak
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- 230693 MA
MD00027729 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2000 Washington St, Newton, MA 02462
- Phone
- (617) 243-6325
- Enumerated
- Nov 15, 2006
- Record last updated
- Dec 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20260415002885); may accept Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
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Verify J Randolph Bak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 230693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
J Randolph Bak among 2,628 pediatrics physician records in Massachusetts
J Randolph Bak, MD is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileNo · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1988 · median 2010 among the 319 with a school on file
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 pediatrics physician records list a practice address in Newton
They are 24 of the 2,975 NPPES records with a practice address in Newton, and 2,628 pediatrics physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,628 in Massachusetts → Every provider in Newton → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Joel Bass, MDNewton, MA 024621427025444
- Heather Davidson, M.D.Newton, MA 024621740246511
- Michael Elkort, M.D.Newton, MA 024621811937345
- Mary-Jean Fanelli, MD, MBANewton, MA 024621780650267
- Hilda Gartley, MDNewton, MA 024621568509594
- Brinda Gupta, MDNewton, MA 024621003889601
- Cally Gwon, M.D.Newton, MA 024621285690941
- Eileen Kramer, M.D.Newton, MA 024621841237039
Common questions
What is J Randolph Bak, MD's NPI number?
J Randolph Bak, MD's National Provider Identifier (NPI) is 1346312089, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is J Randolph Bak, MD located?
The NPPES record lists a practice address at 2000 Washington St, Newton, MA, 02462. Phone: (617) 243-6325. Providers update this record themselves, so call before visiting.
How can I verify J Randolph Bak, MD's license?
NPPES lists Massachusetts license number 230693, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.