Quick answers
- Does Carla M. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Carla M. Armstrong 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 Carla M. Armstrong see?
- In 2024, CMS data shows 343 Original Medicare patients and 1,341 services for Carla M. Armstrong. This counts Original Medicare only and measures volume, not quality.
- What is Carla M. Armstrong's NPI number?
- 1346238359. 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 Carla M. Armstrong, 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 | 343 |
|---|---|
| Services billed to Medicare | 1,341 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)348 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)199 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)126 services
- Emergency department visit with moderate level of medical decision making (99284)104 services
- Emergency department visit with high level of medical decision making (99285)94 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%
- Arthritis64%
- Diabetes50%
- Ischemic heart disease43%
- Anxiety43%
Hospitals where Carla M. Armstrong works
Medicare's Facility Affiliation Data lists Carla M. Armstrong 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.
- Forrest General HospitalHattiesburg, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250078
- Southwest MS Regional Medical CenterMcComb, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250097
- Walthall County General Hospital CAHTylertown, MS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 251324
Practice locations
Addresses where Carla M. Armstrong is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Hospital DrTylertown, MS 39667 (601) 876‑2122
- 155 Hospital DrTylertown, MS 39667 (601) 876‑5337
Group practices
Medicare enrollment lists Carla M. Armstrong as a member of this group (CMS data updated October 2, 2026).
- RH Hospitalist Medicine of Walthall General LLC16 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Tylertown
Clinicians with the same Medicare primary specialty in Tylertown, MS — not a recommendation.
Other clinicians in RH Hospitalist Medicine of Walthall General LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346238359 |
| 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