Quick answers
- Which hospitals does Ansar Hassan work at?
- Medicare's official clinician data lists Ansar Hassan at 5 hospitals: Central Maine Medical Center, Maine General Medical Center, MaineHealth Maine Medical Center, MaineHealth Mid Coast Hospital and MaineHealth Pen Bay Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ansar Hassan see patients?
- Medicare's clinician data lists 5 practice locations, including Portland, ME, Lewiston, ME and Scarborough, ME. Call before your visit to confirm the address.
- What is Ansar Hassan's specialty?
- Medicare lists Cardiac Surgery as the primary specialty.
- Does Ansar Hassan accept Medicare assignment?
- Yes. Medicare's clinician data says Ansar Hassan 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 Ansar Hassan offer telehealth?
- Medicare's clinician data says Ansar Hassan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ansar Hassan?
- (207) 795-0111, as listed in official Medicare / NPI Registry data.
- What is Ansar Hassan's NPI number?
- 1689859332. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ansar Hassan works
Medicare's Facility Affiliation Data lists Ansar Hassan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Central Maine Medical CenterLewiston, ME · Acute Care Hospital · CCN 200024
- Maine General Medical CenterAugusta, ME · Acute Care Hospital · CCN 200039
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- MaineHealth Mid Coast HospitalBrunswick, ME · Acute Care Hospital · CCN 200021
- MaineHealth Pen Bay HospitalRockport, ME · Acute Care Hospital · CCN 200063
Practice locations
Addresses where Ansar Hassan is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 Bramhall StPortland, ME 04102
- 300 Main StLewiston, ME 04240 (207) 795‑0111
- 818 Congress StPortland, ME 04102 (207) 773‑8161
- 96 Campus DrScarborough, ME 04074 (207) 885‑9905
- 96 Campus Dr, Suite 100Scarborough, ME 04074 (207) 396‑7500
Group practices
Medicare enrollment lists Ansar Hassan as a member of these groups (CMS data updated 2026-10-02).
- MaineHealth2,633 clinicians in the group
- Central Maine Medical Center342 clinicians in the group
Specialties
- Cardiac Surgeryprimary
Other cardiac surgeons in Portland
Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689859332 |
| 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