ARIANNE LEE BAKER MD
NPI 1275983157
Pediatrics in Boston, MA

Active since June 21, 2016PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000(617) 730-0335 Get Directions Write a Review

NPPES record last updated: March 17, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2020, Jun 21, 2016 (2 updates tracked since 2016).

About Arianne Lee Baker Md NPPES

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

ARIANNE LEE BAKER MD (NPI 1275983157) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (277353) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275983157
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameARIANNE LEE BAKERCredential: MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000 · Fax (617) 730-0335
Fax(617) 730-0335
Sole ProprietorNo
Enumeration DateJune 21, 2016
Last NPPES UpdateMarch 17, 20222 updates tracked since enumeration
NPPES CertifiedMarch 17, 2022
NPI 1275983157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in MA · 277353
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.
Also ListedPediatrics · Pediatric Emergency MedicineTaxonomy 2080P0204X · License 277353 (MA)
300 LONGWOOD AVE, Boston, MA 02115

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 (PECOS)

Arianne Lee Baker Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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
$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.

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 Arianne Baker's NPI number?

The NPI number for Arianne Baker is 1275983157. It was assigned to this individual provider in the NPPES registry on June 21, 2016.

Where is Arianne Baker located?

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

What is Arianne Baker's specialty?

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

Is Arianne Baker enrolled in Medicare?

Yes. Arianne Baker is registered in the Medicare PECOS enrollment system.

What insurance does Arianne Baker accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Arianne Baker 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 Arianne Baker was last updated on March 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.