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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

EMILY CLAIRE JONKER DO
NPI 1215499215
Pediatrics - Pediatric Emergency Medicine in Springfield, MA

Active since April 01, 2019PECOS Enrolled
759 CHESTNUT ST # S6538, SPRINGFIELD, MA 01107(413) 794-3233(413) 794-9060 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 7, 2026, Feb 9, 2023, Apr 1, 2019 (3 updates tracked since 2019).

About Emily Claire Jonker Do NPPES

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

EMILY CLAIRE JONKER DO (NPI 1215499215) is an individual pediatric emergency medicine provider in Springfield, Massachusetts, licensed in Massachusetts (1027045) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215499215
Entity TypeIndividualFemale
Primary Taxonomy2080P0204X
Provider Legal NameEMILY CLAIRE JONKERCredential: DO
Location Address759 CHESTNUT ST # S6538Springfield, MA 01107-1619
Mailing Address280 Chestnut St Fl 2Springfield, MA 01199-1001 · (413) 794-5700 · Fax (413) 794-1629
Phone(413) 794-3233
Fax(413) 794-9060
Sole ProprietorNo
Enumeration DateApril 1, 2019
Last NPPES UpdateOctober 7, 20263 updates tracked since enumeration
NPPES CertifiedOctober 7, 2026
✔ NPI 1215499215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in MA · 1027045
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
759 CHESTNUT ST # S6538, Springfield, MA 01107
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Emily Claire Jonker Do 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.

Medicare Billing Reassignment

Medicare enrollment records show Emily Jonker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Baystate Medical Practices, Inc
Same address
Emergency Medical Services
759 CHESTNUT ST
Springfield, MA 01199
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,537 clinicians in this Medicare group
NPI 1548205909 (413) 794-5700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MARISA ROBYN SIEGEL MD
Emergency Medicine
759 CHESTNUT ST # S6538
SPRINGFIELD, MA 01107
Hampden County (413) 794-3233
DR. MATTHEW T OPACIC MD
Emergency Medicine
759 CHESTNUT ST # S6538
SPRINGFIELD, MA 01107
Hampden County (413) 794-3233
SARAH A HILL NP
Nurse Practitioner (Family)
759 CHESTNUT ST # S6538
SPRINGFIELD, MA 01107
Hampden County (413) 794-3233
KATHERINE STEPHENS MD
Emergency Medicine
759 CHESTNUT ST # S6538
SPRINGFIELD, MA 01107
Hampden County (413) 794-3233
ALEXANDER MILES JENSON
Emergency Medicine
759 CHESTNUT ST # S6538
SPRINGFIELD, MA 01107
Hampden County (413) 794-3233
EMILY DANIELLE CHUTE NP
Nurse Practitioner (Pediatrics)
759 CHESTNUT ST # S6538
SPRINGFIELD, MA 01107
Hampden County (413) 794-3233
MRS. BRITTANY CHEW DNP
Nurse Practitioner (Family)
759 CHESTNUT ST # S6538
SPRINGFIELD, MA 01107
Hampden County (413) 794-3233
MACKAY D. BURGON DO
Emergency Medicine
759 CHESTNUT ST # S6538
SPRINGFIELD, MA 01107
Hampden County (413) 794-3233

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 Emily Jonker's NPI number?

The NPI number for Emily Jonker is 1215499215. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Emily Jonker located?

Emily Jonker practices at 759 Chestnut St # S6538, Springfield, MA 01107. The listed phone number is (413) 794-3233.

What is Emily Jonker's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Emily Jonker enrolled in Medicare?

Yes. Emily Jonker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Emily Jonker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emily Jonker reassigns Medicare benefits to Baystate Medical Practices, Inc (Springfield, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Emily Jonker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Emily Jonker accept?

Health plans from Taro Health list Emily Jonker 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 Emily Jonker was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.