Quick answers
- Which hospitals does John J. Gullo work at?
- Medicare's official clinician data lists John J. Gullo at 4 hospitals: Lincolnhealth, MaineHealth Maine Medical Center, MaineHealth Mid Coast Hospital and MaineHealth Stephens Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Gullo see patients?
- Medicare's clinician data lists 2 practice locations, including Portland, ME and Brunswick, ME. Call before your visit to confirm the address.
- What is John J. Gullo's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
- Does John J. Gullo accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Gullo 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 John J. Gullo offer telehealth?
- Medicare's clinician data says John J. Gullo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is John J. Gullo's NPI number?
- 1700865243. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John J. Gullo works
Medicare's Facility Affiliation Data lists John J. Gullo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- LincolnhealthDamariscotta, ME · Critical Access Hospital · CCN 201302
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- MaineHealth Mid Coast HospitalBrunswick, ME · Acute Care Hospital · CCN 200021
- MaineHealth Stephens HospitalNorway, ME · Critical Access Hospital · CCN 201315
Practice locations
Addresses where John J. Gullo is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 Bramhall StPortland, ME 04102
- 329 Maine StBrunswick, ME 04011
Group practices
Medicare enrollment lists John J. Gullo as a member of this group (CMS data updated 2026-10-02).
- MaineHealth2,633 clinicians in the group
Specialties
- Medical Oncologyprimary
- Internal Medicinealso
Other oncologists in Portland
Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1700865243 |
| 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