Quick answers
- Does Stephanie M. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanie 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 Stephanie M. Armstrong see?
- In 2024, CMS data shows 294 Original Medicare patients and 2,337 services for Stephanie M. Armstrong. This counts Original Medicare only and measures volume, not quality.
- What is Stephanie M. Armstrong's NPI number?
- 1962700757. 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 Stephanie 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 | 294 |
|---|---|
| Services billed to Medicare | 2,337 |
| Different services or procedures | 115 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)220 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)129 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)89 services
- Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)71 services
- Injection, ondansetron hydrochloride, per 1 mg (J2405)64 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 cholesterol73%
- High blood pressure71%
- Arthritis50%
- Anxiety35%
- Depression31%
- Ischemic heart disease27%
Practice locations
Addresses where Stephanie M. Armstrong is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 1090 N Hwy 67 StFlorissant, MO 63031 (314) 961‑2255
- 1103 Central Park DrO Fallon, IL 62269 (618) 215‑5703
- 12616 Lamplighter Square ShoppingSaint Louis, MO 63128 (314) 961‑2255
- 2060 Hampton AveSaint Louis, MO 63139 (314) 961‑2255
- 2980 Dougherty Ferry RdSaint Louis, MO 63122 (314) 961‑2255
Group practices
Medicare enrollment lists Stephanie M. Armstrong as a member of these groups (CMS data updated October 2, 2026).
- Total Access Urgent Care PC126 clinicians in the group
- Tauc Il PC17 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Total Access Urgent Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962700757 |
| 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