Quick answers
- Does Tammi J. Martinez accept Medicare assignment?
- Yes. Medicare's clinician data says Tammi J. Martinez 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 Tammi J. Martinez see?
- In 2024, CMS data shows 105 Original Medicare patients and 2,042 services for Tammi J. Martinez. This counts Original Medicare only and measures volume, not quality.
- What is Tammi J. Martinez's NPI number?
- 1376977488. 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 Tammi J. Martinez, 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 | 105 |
|---|---|
| Services billed to Medicare | 2,042 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 57 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)328 services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)189 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)26 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).
- Anxiety75%
- High blood pressure74%
- High cholesterol70%
- Depression63%
- Arthritis43%
- COPD37%
Hospitals where Tammi J. Martinez works
Medicare's Facility Affiliation Data lists Tammi J. Martinez 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.
- Missouri Delta Medical CenterSikeston, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260113
Practice locations
Addresses where Tammi J. Martinez is enrolled with Medicare (CMS data updated October 2, 2026).
- 1102 Sikes AveSikeston, MO 63801
- 46 E State Hwy 162Portageville, MO 63873 (573) 391‑8031
Group practices
Medicare enrollment lists Tammi J. Martinez as a member of these groups (CMS data updated October 2, 2026).
- Health Facilities Rehab Services Inc154 clinicians in the group
- Tri-County Community Clinic LLC4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Sikeston
Clinicians with the same Medicare primary specialty in Sikeston, MO — not a recommendation.
Other clinicians in Health Facilities Rehab Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376977488 |
| 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