Quick answers
- Where does Theodor C. Sauer see patients?
- Medicare's clinician data lists 3 practice locations, including Danvers, MA, Cambridge, MA and Boston, MA. Call before your visit to confirm the address.
- What is Theodor C. Sauer's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Theodor C. Sauer accept Medicare assignment?
- Yes. Medicare's clinician data says Theodor C. Sauer 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 Theodor C. Sauer?
- (978) 524-0050, as listed in official Medicare / NPI Registry data.
- What is Theodor C. Sauer's NPI number?
- 1679916639. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Theodor C. Sauer is enrolled with Medicare (CMS data updated 2026-10-02).
- 104 Endicott St, Suite 303Danvers, MA 01923 (978) 524‑0050
- 25 Carleton StCambridge, MA 02142 (617) 258‑6896
- 50 Staniford St, Suite 600Boston, MA 02114 (617) 367‑4800
Group practices
Medicare enrollment lists Theodor C. Sauer as a member of these groups (CMS data updated 2026-10-02).
- Ophthalmic Consultants of Boston Inc68 clinicians in the group
- Massachusetts Institute of Technology54 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Medical school | Duke University School Of Medicine |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679916639 |
| 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
- 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