Quick answers
- Which hospitals does Erin Lark work at?
- Medicare's official clinician data lists Erin Lark at 4 hospitals: Community Memorial Hospital, Inc, McLaren Central Michigan, Sakakawea Medical Center - CAH and Trinity Health Ann Arbor Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erin Lark see patients?
- Medicare's clinician data lists 3 practice locations, including Mt Pleasant, MI, Hamilton, NY and Ypsilanti, MI. Call before your visit to confirm the address.
- What is Erin Lark's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Erin Lark accept Medicare assignment?
- Yes. Medicare's clinician data says Erin Lark 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 Erin Lark?
- (989) 772-6700, as listed in official Medicare / NPI Registry data.
- What is Erin Lark's NPI number?
- 1871983288. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erin Lark works
Medicare's Facility Affiliation Data lists Erin Lark at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Memorial Hospital, IncHamilton, NY · Critical Access Hospital · CCN 331316
- McLaren Central MichiganMount Pleasant, MI · Acute Care Hospital · CCN 230080
- Sakakawea Medical Center - CAHHazen, ND · Critical Access Hospital · CCN 351310
- Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · CCN 230156
Practice locations
Addresses where Erin Lark is enrolled with Medicare (CMS data updated 2026-10-02).
- 1221 S DrMt Pleasant, MI 48858 (989) 772‑6700
- 150 Broad StHamilton, NY 13346 (315) 824‑1100
- 5301 McAuley DrYpsilanti, MI 48197 (954) 939‑5000
Group practices
Medicare enrollment lists Erin Lark as a member of these groups (CMS data updated 2026-10-02).
- McLaren Hospital Group375 clinicians in the group
- Epmg of Michigan PC113 clinicians in the group
- Port City Emergency Physicians LLP46 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Mt Pleasant
Clinicians with the same Medicare primary specialty in Mt Pleasant, MI — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871983288 |
| 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