Quick answers
- Does Tiffany A. Gillis accept Medicare assignment?
- Yes. Medicare's clinician data says Tiffany A. Gillis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tiffany A. Gillis see?
- In 2024, CMS data shows 46 Original Medicare patients and 50 services for Tiffany A. Gillis. This counts Original Medicare only and measures volume, not quality.
- What is Tiffany A. Gillis's NPI number?
- 1871709360. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tiffany A. Gillis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 46 |
|---|---|
| Services billed to Medicare | 50 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Emergency department visit with low level of medical decision making (99283)19 services
- Emergency department visit with straightforward medical decision making (99282)13 services
- Emergency department visit with moderate level of medical decision making (99284)13 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol67%
- Anxiety63%
- Arthritis48%
- Depression46%
- Diabetes33%
Hospitals where Tiffany A. Gillis works
Medicare's Facility Affiliation Data lists Tiffany A. Gillis at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Reading HospitalWest Reading, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390044
Practice locations
Addresses where Tiffany A. Gillis is enrolled with Medicare (CMS data updated October 2, 2026).
- 2500 Bernville RdReading, PA 19605 (610) 750‑7891
- 3317 Penn AveWest Lawn, PA 19609 (610) 644‑8225
Group practices
Medicare enrollment lists Tiffany A. Gillis as a member of this group (CMS data updated October 2, 2026).
- Reading Dermatology Associates PC9 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Reading
Clinicians with the same Medicare primary specialty in Reading, PA — not a recommendation.
Other clinicians in Reading Dermatology Associates PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871709360 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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