Quick answers
- Does Margo T. Lannan accept Medicare assignment?
- Yes. Medicare's clinician data says Margo T. Lannan 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 Margo T. Lannan see?
- In 2024, CMS data shows 340 Original Medicare patients and 934 services for Margo T. Lannan. This counts Original Medicare only and measures volume, not quality.
- What is Margo T. Lannan's NPI number?
- 1760830400. 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 Margo T. Lannan, 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 | 340 |
|---|---|
| Services billed to Medicare | 934 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)106 services
- Critical care, first 30-74 minutes (99291)106 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services
- Test to examine how well the lungs exchange gases (94729)78 services
- Test to measure expiratory airflow and volume (94010)71 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%
- Arthritis52%
- COPD49%
- Ischemic heart disease44%
- Chronic kidney disease44%
Hospitals where Margo T. Lannan works
Medicare's Facility Affiliation Data lists Margo T. Lannan 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.
- Prisma Health Greenville Memorial HospitalGreenville, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 420078
- Prisma Health Greer Memorial HospitalGreer, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420033
- Prisma Health Hillcrest HospitalSimpsonville, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420037
- Prisma Health Laurens County HospitalClinton, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420038
- Prisma Health Patewood HospitalGreenville, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 420102
Practice locations
Addresses where Margo T. Lannan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 16; the Medicare profile lists all.
- 112 John StEasley, SC 29640
- 125 Professional Park DrSeneca, SC 29678 (864) 482‑3000
- 135 Professional Park DrSeneca, SC 29678
- 200 Fleetwood DrEasley, SC 29640
- 200 Fleetwood Dr, Suite 100Easley, SC 29640 (864) 442‑7618
Group practices
Medicare enrollment lists Margo T. Lannan as a member of this group (CMS data updated October 2, 2026).
- Prisma Health University Medical Group2,493 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Easley
Clinicians with the same Medicare primary specialty in Easley, SC — not a recommendation.
Other clinicians in Prisma Health University Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1760830400 |
| 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