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KIELEY LEGRAND CHAPMAN MD
NPI 1336609486
Pediatrics - Pediatric Gastroenterology in Boston, MA

Active since March 24, 2019PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 5, 2026, Mar 24, 2019 (2 updates tracked since 2019).

About Kieley Legrand Chapman Md NPPES

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

KIELEY LEGRAND CHAPMAN MD (NPI 1336609486) is an individual pediatric gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (292076) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (2019).

NPPES Registry Identity

NPI1336609486
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameKIELEY LEGRAND CHAPMANCredential: MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Phone(617) 355-6000
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2019
Enumeration DateMarch 24, 2019
Last NPPES UpdateJune 5, 20262 updates tracked since enumeration
NPPES CertifiedJune 5, 2026
✔ NPI 1336609486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in MA · 292076
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
300 LONGWOOD AVE, Boston, MA 02115
Open in Google Maps ↗

Other Names 1

Other Name (5)Kieley L O'connor-chapman

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kieley Legrand Chapman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1254803190
PECOS Enrollment IDI20260611003452
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.

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MRS. LAUREN ASHLEY SHARIS P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

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 Kieley Chapman's NPI number?

The NPI number for Kieley Chapman is 1336609486. It was assigned to this individual provider in the NPPES registry on March 24, 2019. The provider is also known as Kieley L O'connor-Chapman.

Where is Kieley Chapman located?

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

What is Kieley Chapman's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Kieley Chapman enrolled in Medicare?

Yes. Kieley Chapman is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Kieley Chapman was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.