Ilse Rieger, MD
NPI 1861483323 · Pediatrics Physician · Chelsea, MA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ilse Rieger, MD is a Pediatrics Physician provider in Chelsea, MA (NPI 1861483323).
Provider details
- NPI number
- 1861483323
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 160797 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-03
- Last updated
- 2014-02-17
Frequently asked questions
- What is Ilse Rieger's NPI number?
- Ilse Rieger's National Provider Identifier (NPI) is 1861483323, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ilse Rieger's specialty?
- Ilse Rieger is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Ilse Rieger located?
- Ilse Rieger's practice location on file with NPPES is 151 Everett Ave, Chelsea, MA 02150-1807.
- What is Ilse Rieger's phone number?
- The practice phone number listed in the NPPES registry for Ilse Rieger is (617) 889-8520.
- Does Ilse Rieger accept Medicare?
- Ilse Rieger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ilse Rieger's NPI active?
- Yes — Ilse Rieger's NPI (1861483323) is active in the NPPES registry as of the last update on 2014-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.