Quick answers
- Does Margaret A. Martin accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret A. Martin 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 Margaret A. Martin see?
- In 2024, CMS data shows 130 Original Medicare patients and 1,543 services for Margaret A. Martin. This counts Original Medicare only and measures volume, not quality.
- What is Margaret A. Martin's NPI number?
- 1912302514. 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 Margaret A. Martin, 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 | 130 |
|---|---|
| Services billed to Medicare | 1,543 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 55 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)755 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)330 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)238 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)97 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)20 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).
- Anxiety66%
- Depression55%
- High cholesterol40%
- High blood pressure37%
- Arthritis28%
- Alzheimer's disease or dementia22%
Practice locations
Addresses where Margaret A. Martin is enrolled with Medicare (CMS data updated October 2, 2026).
- 11406 Rustic Rock DrAustin, TX 78750 (512) 477‑4088
Group practices
Medicare enrollment lists Margaret A. Martin as a member of this group (CMS data updated October 2, 2026).
- Austin Geriatric Specialists PLLC58 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Other clinicians in Austin Geriatric Specialists PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912302514 |
| 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