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J RANDOLPH BAK MD
NPI 1346312089
Pediatrics in Newton, MA

Active since November 15, 2006PECOS Enrolled
2000 WASHINGTON ST, NEWTON, MA 02462(617) 243-6325 Get Directions Write a Review

NPPES record last updated: December 1, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About J Randolph Bak Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

J RANDOLPH BAK MD (NPI 1346312089) is an individual pediatrics provider in Newton, Massachusetts, licensed in Massachusetts (230693) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (1988).

NPPES Registry Identity

NPI1346312089
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameJ RANDOLPH BAKCredential: MD
Location Address2000 WASHINGTON STNewton, MA 02462-1650
Mailing Address2000 Washington StNewton, MA 02462-1650 · (617) 417-7234
Phone(617) 243-6325
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 1988
Enumeration DateNovember 15, 2006
Last NPPES UpdateDecember 1, 2010
✔ NPI 1346312089 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in MA · 230693✔ Licensed in WA · MD00027729
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
2000 WASHINGTON ST, Newton, MA 02462
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Other Names 1

Other Name (5)Jongchul Randolph Bak M.d.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

J Randolph Bak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719453935
PECOS Enrollment IDI20260415002885
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02462 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRUCE ALDEN THAYER M.D.
Surgery
2000 WASHINGTON ST, SUITE 665
NEWTON, MA 02462
Middlesex County (617) 243-3724
DR. MATTHIAS BERNARD DONELAN MD
Plastic Surgery
2000 WASHINGTON ST
NEWTON LOWER FALLS, MA 02462
Middlesex County (617) 244-0990
DR. BRINDA TRIVEDI GUPTA MD
Pediatrics
2000 WASHINGTON ST, SUITE 466
NEWTON, MA 02462
Middlesex County (617) 969-8989
NEW ENGLAND EAR NOSE AND THROAT LLC
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
2000 WASHINGTON ST, SUITE 544 WHITE BUILDING
NEWTON, MA 02462
Middlesex County (617) 910-0368
NICHOLAS MICHAEL MASCOLI III M.D.
Internal Medicine
2000 WASHINGTON ST, SUITE 546
NEWTON LOWER FALLS, MA 02462
Middlesex County (617) 964-5020
BRUCE M. LESLIE M.D.
Orthopaedic Surgery (Hand Surgery)
2000 WASHINGTON ST, SUITE 341
NEWTON, MA 02462
Middlesex County (617) 964-0024
TARA A GRABOWSKY M.D.
Internal Medicine
2000 WASHINGTON ST, SUITE 441
NEWTON, MA 02462
Middlesex County (617) 964-9070
ANN WANG-DOHLMAN, MD, PC
Allergy & Immunology (Allergy)
2000 WASHINGTON ST, SUITE 205
NEWTON, MA 02462
Middlesex County (617) 527-3440

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is J Bak's NPI number?

The NPI number for J Bak is 1346312089. It was assigned to this individual provider in the NPPES registry on November 15, 2006. The provider is also known as Jongchul Randolph Bak M.D..

Where is J Bak located?

J Bak practices at 2000 Washington St, Newton, MA 02462. The listed phone number is (617) 243-6325.

What is J Bak's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is J Bak enrolled in Medicare?

Yes. J Bak is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for J Bak was last updated on December 1, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.