Quick answers
- Which hospitals does Jenner Greil work at?
- Medicare's official clinician data lists Jenner Greil at 2 hospitals: MaineHealth Maine Medical Center and Northern Light Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jenner Greil see patients?
- Medicare's clinician data lists 1 practice location in Portland, ME. Call before your visit to confirm the address.
- What is Jenner Greil's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Jenner Greil accept Medicare assignment?
- Yes. Medicare's clinician data says Jenner Greil 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.
- Does Jenner Greil offer telehealth?
- Medicare's clinician data says Jenner Greil offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jenner Greil?
- (207) 828-2402, as listed in official Medicare / NPI Registry data.
- What is Jenner Greil's NPI number?
- 1871748772. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jenner Greil works
Medicare's Facility Affiliation Data lists Jenner Greil at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · CCN 200008
Practice locations
Addresses where Jenner Greil is enrolled with Medicare (CMS data updated 2026-10-02).
- 331 Veranda StPortland, ME 04103 (207) 828‑2402
Group practices
Medicare enrollment lists Jenner Greil as a member of this group (CMS data updated 2026-10-02).
- Martin's Point Health Care, Inc.89 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Portland
Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871748772 |
| 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