Quick answers
- Where does Thomas A. Armstrong see patients?
- Medicare's clinician data lists 2 practice locations, including Abington, PA and Hatboro, PA. Call before your visit to confirm the address.
- What is Thomas A. Armstrong's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Thomas A. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas A. Armstrong 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 Thomas A. Armstrong?
- (215) 784-0220, as listed in official Medicare / NPI Registry data.
- What is Thomas A. Armstrong's NPI number?
- 1063451102. 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 Thomas A. Armstrong is enrolled with Medicare (CMS data updated 2026-10-02).
- 1550 Old York RdAbington, PA 19001 (215) 784‑0220
- 345 N York Rd, Suite 2Hatboro, PA 19040 (215) 672‑9030
Group practices
Medicare enrollment lists Thomas A. Armstrong as a member of this group (CMS data updated 2026-10-02).
- Armstrong Colt Ophthalmology10 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Abington
Clinicians with the same Medicare primary specialty in Abington, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063451102 |
| 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