Quick answers
- Which hospitals does Katherine Holdwick work at?
- Medicare's official clinician data lists Katherine Holdwick at 1 hospital: McLaren Macomb. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katherine Holdwick see patients?
- Medicare's clinician data lists 1 practice location in Lenox, MI. Call before your visit to confirm the address.
- What is Katherine Holdwick's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Katherine Holdwick accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine Holdwick 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 Katherine Holdwick?
- (586) 716-1371, as listed in official Medicare / NPI Registry data.
- What is Katherine Holdwick's NPI number?
- 1912400136. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katherine Holdwick works
Medicare's Facility Affiliation Data lists Katherine Holdwick at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- McLaren MacombMount Clemens, MI · Acute Care Hospital · CCN 230227
Practice locations
Addresses where Katherine Holdwick is enrolled with Medicare (CMS data updated 2026-10-02).
- 36267 26 Mile Rd, Suite 3Lenox, MI 48048 (586) 716‑1371
Group practices
Medicare enrollment lists Katherine Holdwick as a member of this group (CMS data updated 2026-10-02).
- Physician Healthcare Network PC30 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lenox
Clinicians with the same Medicare primary specialty in Lenox, MI — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912400136 |
| 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