Quick answers
- Does Lyndsay Massey accept Medicare assignment?
- Yes. Medicare's clinician data says Lyndsay Massey 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 Lyndsay Massey see?
- In 2024, CMS data shows 124 Original Medicare patients and 210 services for Lyndsay Massey. This counts Original Medicare only and measures volume, not quality.
- What is Lyndsay Massey's NPI number?
- 1386147155. 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 Lyndsay Massey, 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 | 124 |
|---|---|
| Services billed to Medicare | 210 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)78 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)69 services
- Critical care, first 30-74 minutes (99291)35 services
- Emergency department visit with moderate level of medical decision making (99284)11 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 cholesterol75%
- Arthritis62%
- Ischemic heart disease52%
- Chronic kidney disease51%
- Heart failure45%
Hospitals where Lyndsay Massey works
Medicare's Facility Affiliation Data lists Lyndsay Massey 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.
- Baylor Scott & White Medical Center- WaxahachieWaxahachie, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450372
- North Central Surgical Center LLPDallas, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 670049
Practice locations
Addresses where Lyndsay Massey is enrolled with Medicare (CMS data updated October 2, 2026).
- 3500 Gaston AveDallas, TX 75246 (214) 820‑0111
Group practices
Medicare enrollment lists Lyndsay Massey as a member of this group (CMS data updated October 2, 2026).
- Century Integrated Partners, Inc340 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Other clinicians in Century Integrated Partners, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386147155 |
| 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