Quick answers
- Does Ellen O. Atwood accept Medicare assignment?
- Yes. Medicare's clinician data says Ellen O. Atwood 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 Ellen O. Atwood see?
- In 2024, CMS data shows 283 Original Medicare patients and 1,711 services for Ellen O. Atwood. This counts Original Medicare only and measures volume, not quality.
- What is Ellen O. Atwood's NPI number?
- 1487104303. 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 Ellen O. Atwood, 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 | 283 |
|---|---|
| Services billed to Medicare | 1,711 |
| Different services or procedures | 85 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)236 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)118 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)88 services
- Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)82 services
- Detection test by nucleic acid for multiple types influenza virus (87502)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 cholesterol69%
- High blood pressure66%
- Arthritis46%
- Depression27%
- Anxiety26%
- Ischemic heart disease22%
Practice locations
Addresses where Ellen O. Atwood is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.
- 1005 S Big Bend BlvdSaint Louis, MO 63117 (314) 961‑2255
- 1090 N Hwy 67 StFlorissant, MO 63031 (314) 961‑2255
- 1103 Central Park DrO Fallon, IL 62269 (618) 215‑5703
- 12409 Saint Charles Rock RdBridgeton, MO 63044 (314) 961‑2255
- 2060 Hampton AveSaint Louis, MO 63139 (314) 961‑2255
Group practices
Medicare enrollment lists Ellen O. Atwood 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 Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — 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
| Graduation year | 2016 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487104303 |
| 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