Quick answers
- Where does Ann M. Griesacker see patients?
- Medicare's clinician data lists 4 practice locations, including Erie, PA. Call before your visit to confirm the address.
- What is Ann M. Griesacker's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Ann M. Griesacker accept Medicare assignment?
- Yes. Medicare's clinician data says Ann M. Griesacker 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 Ann M. Griesacker?
- (814) 454-3174, as listed in official Medicare / NPI Registry data.
- What is Ann M. Griesacker's NPI number?
- 1437442993. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ann M. Griesacker is enrolled with Medicare (CMS data updated 2026-10-02).
- 2222 W Grandview BlvdErie, PA 16506 (814) 454‑3174
- 2625 Parade StErie, PA 16504 (814) 452‑6383
- 3250 W Lake Rd, Suite 1Erie, PA 16505 (814) 454‑1085
- 4740 Peach StErie, PA 16509 (814) 454‑3174
Group practices
Medicare enrollment lists Ann M. Griesacker as a member of these groups (CMS data updated 2026-10-02).
- Millcreek Community Hospital66 clinicians in the group
- Bay City Psychiatry, LLC3 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Erie
Clinicians with the same Medicare primary specialty in Erie, PA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437442993 |
| 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
- 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