Quick answers
- Where does Lindsay Machen see patients?
- Medicare's clinician data lists 2 practice locations, including Bristol, PA and Philadelphia, PA. Call before your visit to confirm the address.
- What is Lindsay Machen's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Lindsay Machen accept Medicare assignment?
- Yes. Medicare's clinician data says Lindsay Machen 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 Lindsay Machen?
- (215) 781-2020, as listed in official Medicare / NPI Registry data.
- What is Lindsay Machen's NPI number?
- 1649667452. 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 Lindsay Machen is enrolled with Medicare (CMS data updated 2026-10-02).
- 216 Mill StBristol, PA 19007 (215) 781‑2020
- 840 Walnut StPhiladelphia, PA 19107 (215) 928‑3041
Group practices
Medicare enrollment lists Lindsay Machen as a member of these groups (CMS data updated 2026-10-02).
- Wills Eye Ophthalmology Clinic, Inc147 clinicians in the group
- Tri-Century Eye Care, P.C.14 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Bristol
Clinicians with the same Medicare primary specialty in Bristol, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649667452 |
| 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