Quick answers
- Which hospitals does Marisa Tieger work at?
- Medicare's official clinician data lists Marisa Tieger at 2 hospitals: Lowell General Hospital and Tufts Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marisa Tieger see patients?
- Medicare's clinician data lists 3 practice locations, including Lowell, MA, Wellesley, MA and Boston, MA. Call before your visit to confirm the address.
- What is Marisa Tieger's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Marisa Tieger accept Medicare assignment?
- Yes. Medicare's clinician data says Marisa Tieger 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.
- What is the phone number for Marisa Tieger?
- (978) 256-5600, as listed in official Medicare / NPI Registry data.
- What is Marisa Tieger's NPI number?
- 1174972541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marisa Tieger works
Medicare's Facility Affiliation Data lists Marisa Tieger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lowell General HospitalLowell, MA · Acute Care Hospital · CCN 220063
- Tufts Medical CenterBoston, MA · Acute Care Hospital · CCN 220116
Practice locations
Addresses where Marisa Tieger is enrolled with Medicare (CMS data updated 2026-10-02).
- 33 Bartlett St, Suite 101Lowell, MA 01852 (978) 256‑5600
- 60 Walnut St, Suite 2Wellesley, MA 02481 (617) 964‑1050
- 800 Washington StBoston, MA 02111 (617) 636‑5487
Group practices
Medicare enrollment lists Marisa Tieger as a member of these groups (CMS data updated 2026-10-02).
- Pratt Ophthalmology Associates Inc53 clinicians in the group
- Newton Wellesley Eye Associates PC14 clinicians in the group
- Massachusetts Eye Associates PC13 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174972541 |
| 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