NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346312089
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2000 Washington St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Avner Aliphas, M.D.Otolaryngology Physician1811162530
  2. Avraham Almozlino, MDNeurology Physician1982660619
  3. Heidi Angle, M.D.Obstetrics & Gynecology Physician1164479952
  4. Laurence Bailen, M.D.Hepatology Physician1922078930
  5. Thomas BeattyObstetrics & Gynecology Physician1689658379
  6. Mark Belsky, M.D.Orthopaedic Hand Surgery Physician1841246055

Verify J Randolph Bak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 230693
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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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.

Other pediatrics physician records in Massachusetts

  1. Marissa AaronBoston, MA1538687827
  2. Ralph Aarons, MDBrighton, MA1407841570
  3. Ebla Abd AlrahmanWorcester, MA1255966743
  4. James Abel, M.D.Pelham, MA1255521381
  5. Aileen Abesamis, MDBrockton, MA1619056546
  6. Claire Abraham, MDBoston, MA1942731161
  7. Shari Abramowitz, M.D.Boston, MA1558346593
  8. Nadeen AbujaberBoston, MA1053635938
  9. Stephanie Abuso, DOBoston, MA1437788148
  10. Mark Acker, M.D.Taunton, MA1629011382

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.