Quick answers
- Which hospitals does Austen Knapp work at?
- Medicare's official clinician data lists Austen Knapp at 2 hospitals: Corewell Health Ludington Hospital and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Austen Knapp see patients?
- Medicare's clinician data lists 2 practice locations, including Holland, MI and Grand Rapids, MI. Call before your visit to confirm the address.
- What is Austen Knapp's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Austen Knapp accept Medicare assignment?
- Yes. Medicare's clinician data says Austen Knapp 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 Austen Knapp?
- (616) 954-2020, as listed in official Medicare / NPI Registry data.
- What is Austen Knapp's NPI number?
- 1871098111. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Austen Knapp works
Medicare's Facility Affiliation Data lists Austen Knapp 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
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where Austen Knapp is enrolled with Medicare (CMS data updated 2026-10-02).
- 1362 S Point Pl, Suite 120Holland, MI 49423 (616) 954‑2020
- 5030 Cascade Rd SEGrand Rapids, MI 49546 (616) 954‑2020
Group practices
Medicare enrollment lists Austen Knapp as a member of this group (CMS data updated 2026-10-02).
- Retina Specialists of Michigan PC11 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Holland
Clinicians with the same Medicare primary specialty in Holland, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oakland Univ, William Beaumont School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871098111 |
| 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