Julie Sommerfield-Ronek, MD
NPI 1902955214 · Pediatric Cardiology Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Sommerfield-Ronek, MD is a Pediatric Cardiology Physician provider in Grand Rapids, MI (NPI 1902955214).
Provider details
- NPI number
- 1902955214
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301089611 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-01-09
- Last updated
- 2021-03-02
- Certified
- 2021-03-02
Frequently asked questions
- What is Julie Sommerfield-Ronek's NPI number?
- Julie Sommerfield-Ronek's National Provider Identifier (NPI) is 1902955214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Sommerfield-Ronek's specialty?
- Julie Sommerfield-Ronek is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Julie Sommerfield-Ronek located?
- Julie Sommerfield-Ronek's practice location on file with NPPES is 25 Michigan St Ne Ste 4200, Grand Rapids, MI 49503-2559.
- What is Julie Sommerfield-Ronek's phone number?
- The practice phone number listed in the NPPES registry for Julie Sommerfield-Ronek is (616) 267-9150.
- Does Julie Sommerfield-Ronek accept Medicare?
- Julie Sommerfield-Ronek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Sommerfield-Ronek's NPI active?
- Yes — Julie Sommerfield-Ronek's NPI (1902955214) is active in the NPPES registry as of the last update on 2021-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.