Quick answers
- Which hospitals does Devon J. Pyykkonen work at?
- Medicare's official clinician data lists Devon J. Pyykkonen at 2 hospitals: Corewell Health Zeeland Hospital and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Devon J. Pyykkonen see patients?
- Medicare's clinician data lists 6 practice locations, including Grand Haven, MI, Kentwood, MI and Holland, MI. Call before your visit to confirm the address.
- What is Devon J. Pyykkonen's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Devon J. Pyykkonen accept Medicare assignment?
- Yes. Medicare's clinician data says Devon J. Pyykkonen 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 Devon J. Pyykkonen?
- (616) 772-4644, as listed in official Medicare / NPI Registry data.
- What is Devon J. Pyykkonen's NPI number?
- 1225696404. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Devon J. Pyykkonen works
Medicare's Facility Affiliation Data lists Devon J. Pyykkonen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corewell Health Zeeland HospitalZeeland, MI · Acute Care Hospital · CCN 230003
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where Devon J. Pyykkonen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 15100 Whittaker WayGrand Haven, MI 49417 (616) 772‑4644
- 15100 Whittaker Way, Corewell Health Medical Group WestGrand Haven, MI 49417 (616) 935‑6280
- 4444 Kalamazoo Ave SE, 200 Corewell Health Medical Group WestKentwood, MI 49508 (616) 391‑5600
- 588 E Lakewood Blvd FlHolland, MI 49424
- 602 Michigan Ave, Suite 102Holland, MI 49423 (616) 494‑8724
Group practices
Medicare enrollment lists Devon J. Pyykkonen as a member of this group (CMS data updated 2026-10-02).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225696404 |
| 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