Quick answers
- Which hospitals does Gregory L. Park work at?
- Medicare's official clinician data lists Gregory L. Park at 2 hospitals: Maui Memorial Medical Center and The Cooley Dickinson Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory L. Park see patients?
- Medicare's clinician data lists 1 practice location in Wailea, HI. Call before your visit to confirm the address.
- What is Gregory L. Park's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Medical Oncology.
- Does Gregory L. Park accept Medicare assignment?
- Medicare's clinician data says Gregory L. Park may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Gregory L. Park?
- (808) 875-9095, as listed in official Medicare / NPI Registry data.
- What is Gregory L. Park's NPI number?
- 1861497596. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory L. Park works
Medicare's Facility Affiliation Data lists Gregory L. Park at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Maui Memorial Medical CenterWailuku, HI · Acute Care Hospital · CCN 120002
- The Cooley Dickinson Hospital IncNorthampton, MA · Acute Care Hospital · CCN 220015
Practice locations
Addresses where Gregory L. Park is enrolled with Medicare (CMS data updated 2026-10-02).
- 161 Wailea Ike Pl, Suite B102Wailea, HI 96753 (808) 875‑9095
Group practices
Medicare enrollment lists Gregory L. Park as a member of this group (CMS data updated 2026-10-02).
- Wailea Medical Group LLC2 clinicians in the group
Specialties
- Internal Medicineprimary
- Medical Oncologyalso
Other internal medicine doctors in Hawaii
Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1861497596 |
| 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