Quick answers
- Which hospitals does Mark Rosenblatt work at?
- Medicare's official clinician data lists Mark Rosenblatt at 1 hospital: Maui Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Rosenblatt see patients?
- Medicare's clinician data lists 2 practice locations, including Wailuku, HI. Call before your visit to confirm the address.
- What is Mark Rosenblatt's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Mark Rosenblatt accept Medicare assignment?
- Medicare's clinician data says Mark Rosenblatt 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 Mark Rosenblatt?
- (808) 244-9056, as listed in official Medicare / NPI Registry data.
- What is Mark Rosenblatt's NPI number?
- 1851375455. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Rosenblatt works
Medicare's Facility Affiliation Data lists Mark Rosenblatt 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
Practice locations
Addresses where Mark Rosenblatt is enrolled with Medicare (CMS data updated 2026-10-02).
- 221 Mahalani StWailuku, HI 96793 (808) 244‑9056
- 85 Maui Lani PkwyWailuku, HI 96793 (808) 442‑5700
Group practices
Medicare enrollment lists Mark Rosenblatt as a member of this group (CMS data updated 2026-10-02).
- Maui Health System a Kaiser Foundation Hospitals LLC51 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Hawaii
Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1851375455 |
| 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