Quick answers
- Does Chelsea R. O'Connell accept Medicare assignment?
- Yes. Medicare's clinician data says Chelsea R. O'Connell 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 Chelsea R. O'Connell see?
- In 2024, CMS data shows 139 Original Medicare patients and 2,807 services for Chelsea R. O'Connell. This counts Original Medicare only and measures volume, not quality.
- What is Chelsea R. O'Connell's NPI number?
- 1710644349. 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 Chelsea R. O'Connell, 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 | 139 |
|---|---|
| Services billed to Medicare | 2,807 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)123 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)106 services
- Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less (15271)68 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)39 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)37 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%
- Arthritis65%
- Chronic kidney disease55%
- Diabetes54%
- Alzheimer's disease or dementia54%
Practice locations
Addresses where Chelsea R. O'Connell is enrolled with Medicare (CMS data updated October 2, 2026).
- 1125 W St, Suite 200Annapolis, MD 21401
- 1298 Bay Dale Dr, Suite 211Arnold, MD 21012 (443) 714‑7210
- 2112 F St NW, Suite 804Washington, DC 20037 (202) 861‑2971
Group practices
Medicare enrollment lists Chelsea R. O'Connell as a member of these groups (CMS data updated October 2, 2026).
- Comprehensive Wound Care Services LLC2 clinicians in the group
- Whole Home Health LLC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Annapolis
Clinicians with the same Medicare primary specialty in Annapolis, MD — not a recommendation.
Other clinicians in Comprehensive Wound Care Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710644349 |
| 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