DR. MARILYN M KIOKO M.D.
NPI 1659632628
Pediatrics in Boston, MA

Active since June 06, 2012PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 8, 2025, Oct 20, 2023, Jul 7, 2023 and 2 more (5 updates tracked since 2019).

About Dr. Marilyn M Kioko M.d. NPPES

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

DR. MARILYN M KIOKO M.D. (NPI 1659632628) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (1022348) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659632628
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MARILYN M KIOKOCredential: M.D.
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Enumeration DateJune 6, 2012
Last NPPES UpdateMay 8, 20255 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
NPI 1659632628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in MA · 1022348
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.
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)

Dr. Marilyn M Kioko M.d. 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 Marilyn Kioko's NPI number?

The NPI number for Marilyn Kioko is 1659632628. It was assigned to this individual provider in the NPPES registry on June 6, 2012.

Where is Marilyn Kioko located?

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

What is Marilyn Kioko's specialty?

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

Is Marilyn Kioko enrolled in Medicare?

Yes. Marilyn Kioko is registered in the Medicare PECOS enrollment system.

What insurance does Marilyn Kioko accept?

Health plans from Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc., Molina Healthcare and Oscar Insurance Company list Marilyn Kioko 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 Marilyn Kioko was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.