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DR. ILSE AMELIE RIEGER MD
NPI 1861483323
Pediatrics in Chelsea, MA

Active since November 03, 2005PECOS Enrolled
151 EVERETT AVE, CHELSEA HEALTHCARE CENTER, CHELSEA, MA 02150(617) 889-8520(617) 889-8571 Get Directions Write a Review

NPPES record last updated: February 17, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ilse Amelie Rieger Md NPPES

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

DR. ILSE AMELIE RIEGER MD (NPI 1861483323) is an individual pediatrics provider in Chelsea, Massachusetts, licensed in Massachusetts (160797) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861483323
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ILSE AMELIE RIEGERCredential: MD
Location Address151 EVERETT AVE, CHELSEA HEALTHCARE CENTERChelsea, MA 02150-1807
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 889-8520 · Fax (617) 889-8571
Phone(617) 889-8520
Fax(617) 889-8571
Sole ProprietorNo
Enumeration DateNovember 3, 2005
Last NPPES UpdateFebruary 17, 2014
✔ NPI 1861483323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 160797
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.
151 EVERETT AVE, Chelsea, MA 02150
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Other Identifiers 5

Other160797MA · Tufts Health Plan
Medicaid3204138MA
Medicare PINA30559MA
OtherJ21887MA · Bcbs Ma
Medicare UPING56571

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ilse Amelie Rieger 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Ilse Rieger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Massachusetts General Physicians Organization Inc
2.7 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287
The General Hospital Corporation
2.7 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02150 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.

ADRIAN J HERNANDEZ PHD, LP
Psychologist
151 EVERETT AVE
CHELSEA, MA 02150
Suffolk County (617) 884-8300
STEPHEN LOPEZ
Physical Therapist (Orthopedic)
151 EVERETT AVE
CHELSEA, MA 02150
Suffolk County (617) 887-3586
AMY NOVIKOFF
Speech-Language Pathologist
151 EVERETT AVE
CHELSEA, MA 02150
Suffolk County (617) 887-3529
MS. NAOMI RUSH LICSW
Social Worker (Clinical)
151 EVERETT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-8515
PROF. ROBERT JAY AMRIEN PA-C
Physician Assistant
151 EVERETT AVE
CHELSEA, MA 02150
Suffolk County (617) 884-8300
DR. KIMBERLY GAYLE MONTEZ MD
Pediatrics
151 EVERETT AVE
CHELSEA, MA 02150
Suffolk County (617) 884-8300
BRITTNEY ALEXIS CONIGLIONE PT, DPT
Physical Therapist
151 EVERETT AVE
CHELSEA, MA 02150
Suffolk County (617) 887-3586
KATHERINE D GRIFFITHS LICSW
Social Worker (Clinical)
151 EVERETT AVE
CHELSEA, MA 02150
Suffolk County (617) 889-8515

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 Ilse Rieger's NPI number?

The NPI number for Ilse Rieger is 1861483323. It was assigned to this individual provider in the NPPES registry on November 3, 2005.

Where is Ilse Rieger located?

Ilse Rieger practices at 151 Everett Ave Chelsea Healthcare Center, Chelsea, MA 02150. The listed phone number is (617) 889-8520.

What is Ilse Rieger's specialty?

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

Is Ilse Rieger enrolled in Medicare?

Yes. Ilse Rieger is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ilse Rieger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ilse Rieger reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). Each 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 Ilse Rieger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ilse Rieger was last updated on February 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.