Quick answers
- Does Marsha L. Sheppard accept Medicare assignment?
- Medicare's clinician data says Marsha L. Sheppard may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Marsha L. Sheppard see?
- In 2024, CMS data shows 184 Original Medicare patients and 1,980 services for Marsha L. Sheppard. This counts Original Medicare only and measures volume, not quality.
- What is Marsha L. Sheppard's NPI number?
- 1982941977. 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 Marsha L. Sheppard, 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 | 184 |
|---|---|
| Services billed to Medicare | 1,980 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)722 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)239 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)203 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)101 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)99 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%
- Arthritis59%
- Diabetes55%
- Depression51%
- Alzheimer's disease or dementia51%
Practice locations
Addresses where Marsha L. Sheppard is enrolled with Medicare (CMS data updated October 2, 2026).
- 275 Holder TrlMcKinney, TX 75071 (214) 491‑4191
- 800 College PkwyLewisville, TX 75077 (972) 420‑8543
Group practices
Medicare enrollment lists Marsha L. Sheppard as a member of these groups (CMS data updated October 2, 2026).
- Legacy Healthcare Services Inc3,223 clinicians in the group
- Willis Senior Housecalls PLLC4 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in McKinney
Clinicians with the same Medicare primary specialty in McKinney, TX — not a recommendation.
Other clinicians in Legacy Healthcare Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982941977 |
| 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 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