JOHN R MCLAREN MD
NPI 1932637709
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Boston, MA

Active since May 24, 2017PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: June 5, 2023. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Jun 5, 2023, May 24, 2017 (2 updates tracked since 2017).

About John R Mclaren Md NPPES

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

JOHN R MCLAREN MD (NPI 1932637709) is an individual neurology with special qualifications in child neurology provider in Boston, Massachusetts, licensed in Massachusetts (291204) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of University Of Vermont College Of Medicine (2017).

NPPES Registry Identity

NPI1932637709
Entity TypeIndividualMale
Primary Taxonomy2084N0402X
Provider Legal NameJOHN R MCLARENCredential: MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Medical School CMSUniversity Of Vermont College Of MedicineGraduated 2017
Enumeration DateMay 24, 2017
Last NPPES UpdateJune 5, 20232 updates tracked since enumeration
NPPES CertifiedJune 5, 2023
NPI 1932637709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License Licensed in MA · 291204
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
Also ListedPediatricsTaxonomy 208000000X · License 271013 (MA)
300 LONGWOOD AVE, Boston, MA 02115

Secondary Practice Location 1

Location 1Massachusetts General Hospital, 55 Fruit St.Boston, MA 02114 · Phone (617) 726-2000

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John R Mclaren Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496029456
PECOS Enrollment IDI20230621000554
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 02115 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 John Mclaren's NPI number?

The NPI number for John Mclaren is 1932637709. It was assigned to this individual provider in the NPPES registry on May 24, 2017.

Where is John Mclaren located?

John Mclaren practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is John Mclaren's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is John Mclaren enrolled in Medicare?

Yes. John Mclaren is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Mclaren accept?

Health plans from Anthem Blue Cross and Blue Shield list John Mclaren as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Mclaren was last updated on June 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.