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

JEAN ANN BALLWEG M.D.
NPI 1043236730
Pediatrics - Pediatric Cardiology in Grand Rapids, MI

Active since July 14, 2006PECOS Enrolled
25 MICHIGAN ST NE STE 4200, GRAND RAPIDS, MI 49503(616) 267-9150 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 10, 2022, Jul 18, 2022, Jan 25, 2016 (3 updates tracked since 2016).

About Jean Ann Ballweg M.d. NPPES

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

JEAN ANN BALLWEG M.D. (NPI 1043236730) is an individual pediatric cardiology provider in Grand Rapids, Michigan, licensed in Michigan (4301506839) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1043236730
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameJEAN ANN BALLWEGCredential: M.D.
Location Address25 MICHIGAN ST NE STE 4200Grand Rapids, MI 49503-2559
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJuly 14, 2006
Last NPPES UpdateOctober 21, 20263 updates tracked since enumeration
NPPES CertifiedOctober 21, 2026
✔ NPI 1043236730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in MI · 4301506839
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
25 MICHIGAN ST NE STE 4200, Grand Rapids, MI 49503

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jean Ann Ballweg M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032150644
PECOS Enrollment IDI20220517002882
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

4

Medicare enrollment records show Jean Ballweg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Endocrinology
35 MICHIGAN ST NE STE 1800
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
Hospitalist
100 MICHIGAN ST NE, MC-907
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 405 clinicians in this Medicare group
General Acute Care Hospital
1234 NAPIER AVE
Saint Joseph, MI 49085
  • Reassigned Medicare billing, Michigan enrollment
  • 249 clinicians in this Medicare group
Multi-Specialty
988102 NEBRASKA MEDICAL CTR
Omaha, NE 68198
  • Reassigned Medicare billing, Nebraska enrollment
  • 2,154 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

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.

Pediatrics (Pediatric Cardiology)
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503
Nurse Practitioner (Acute Care)
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503
Pediatrics (Pediatric Cardiology)
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503
Pediatrics
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503
Pediatrics (Pediatric Cardiology)
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503
Thoracic Surgery (Cardiothoracic Vascular Surgery)
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503
Pediatrics (Pediatric Cardiology)
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503
Pediatrics (Pediatric Cardiology)
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503

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 Jean Ballweg's NPI number?

The NPI number for Jean Ballweg is 1043236730. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Jean Ballweg located?

Jean Ballweg practices at 25 Michigan St NE Ste 4200, Grand Rapids, MI 49503. The listed phone number is (616) 267-9150.

What is Jean Ballweg's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Jean Ballweg enrolled in Medicare?

Yes. Jean Ballweg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jean Ballweg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jean Ballweg reassigns Medicare benefits to 4 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI), Spectrum Health Hospitals (Grand Rapids, MI), Lakeland Hospitals At Niles And St Joseph, Inc (Saint Joseph, MI) and Unmc Physicians (Omaha, NE). 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 Jean Ballweg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jean Ballweg accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Jean Ballweg 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.

Is Jean Ballweg affiliated with any hospitals?

According to CMS data, Jean Ballweg is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Jean Ballweg was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.