Quick answers
- Which hospitals does Colleen A. App work at?
- Medicare's official clinician data lists Colleen A. App at 5 hospitals: Corewell Health Ludington Hospital, Corewell Health Pennock Hospital, Corewell Health Zeeland Hospital, Spectrum Health and Spectrum Health United Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Colleen A. App see patients?
- Medicare's clinician data lists 1 practice location in Grand Rapids, MI. Call before your visit to confirm the address.
- What is Colleen A. App's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Colleen A. App accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen A. App accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Colleen A. App?
- (616) 920-0825, as listed in official Medicare / NPI Registry data.
- What is Colleen A. App's NPI number?
- 1649294091. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Colleen A. App works
Medicare's Facility Affiliation Data lists Colleen A. App at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corewell Health Ludington HospitalLudington, MI · Acute Care Hospital · CCN 230110
- Corewell Health Pennock HospitalHastings, MI · Critical Access Hospital · CCN 231339
- Corewell Health Zeeland HospitalZeeland, MI · Acute Care Hospital · CCN 230003
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
- Spectrum Health United HospitalGreenville, MI · Acute Care Hospital · CCN 230035
Practice locations
Addresses where Colleen A. App is enrolled with Medicare (CMS data updated 2026-10-02).
- 655 Kenmoor Ave SE, Suite 201Grand Rapids, MI 49546 (616) 920‑0825
Group practices
Medicare enrollment lists Colleen A. App as a member of this group (CMS data updated 2026-10-02).
- Breast Health and Wellness Center PC3 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649294091 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians