Quick answers
- Does Marissa K. Marti-Smith accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa K. Marti-Smith 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 Marissa K. Marti-Smith see?
- In 2024, CMS data shows 240 Original Medicare patients and 2,180 services for Marissa K. Marti-Smith. This counts Original Medicare only and measures volume, not quality.
- What is Marissa K. Marti-Smith's NPI number?
- 1992273833. 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 Marissa K. Marti-Smith, 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 | 240 |
|---|---|
| Services billed to Medicare | 2,180 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)259 services
- Insertion of needle into vein for collection of blood sample (36415)257 services
- Blood test, comprehensive group of blood chemicals (80053)256 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)242 services
- Carcinoembryonic antigen (cea) protein level (82378)95 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).
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High cholesterol58%
- High blood pressure48%
- Arthritis34%
- Anxiety21%
- Depression17%
Practice locations
Addresses where Marissa K. Marti-Smith is enrolled with Medicare (CMS data updated October 2, 2026).
- 10425 N Central ExpyDallas, TX 75231 (214) 361‑2025
- 2026 S Jackson StJacksonville, TX 75766 (903) 586‑2456
- 3410 Worth StDallas, TX 75246
- 7777 Forest Ln, Suite C707Dallas, TX 75230 (972) 566‑3000
- PO Box, Suite 911242Dallas, TX 75391
Group practices
Medicare enrollment lists Marissa K. Marti-Smith as a member of this group (CMS data updated October 2, 2026).
- Texas Oncology PA1,014 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Other clinicians in Texas Oncology PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1992273833 |
| 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