Quick answers
- Where does Peter L. Lou see patients?
- Medicare's clinician data lists 5 practice locations, including Andover, MA, Waltham, MA and Worcester, MA. Call before your visit to confirm the address.
- What is Peter L. Lou's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Peter L. Lou accept Medicare assignment?
- Yes. Medicare's clinician data says Peter L. Lou 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 Peter L. Lou?
- (978) 475-0705, as listed in official Medicare / NPI Registry data.
- What is Peter L. Lou's NPI number?
- 1316937709. 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 Peter L. Lou is enrolled with Medicare (CMS data updated 2026-10-02).
- 138 Haverhill St, Suite 104Andover, MA 01810 (978) 475‑0705
- 1440 Main St, Suite 201Waltham, MA 02451 (781) 891‑6377
- 63 Lincoln StWorcester, MA 01605 (508) 791‑1217
- 669 Main StWakefield, MA 01880 (781) 245‑5200
- 955 Main StWinchester, MA 01890 (781) 245‑5200
Group practices
Medicare enrollment lists Peter L. Lou as a member of these groups (CMS data updated 2026-10-02).
- Andover Eye Associates Inc11 clinicians in the group
- North Suburban Eye Associates LLC8 clinicians in the group
- Massachusetts Eye Research and Surgery Institution PC5 clinicians in the group
- Retina Consultants of Worcester PC3 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Andover
Clinicians with the same Medicare primary specialty in Andover, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316937709 |
| 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