Quick answers
- Does Karen D. Darden accept Medicare assignment?
- Yes. Medicare's clinician data says Karen D. Darden 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 Karen D. Darden see?
- In 2024, CMS data shows 159 Original Medicare patients and 403 services for Karen D. Darden. This counts Original Medicare only and measures volume, not quality.
- What is Karen D. Darden's NPI number?
- 1043962418. 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 Karen D. Darden, 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 | 159 |
|---|---|
| Services billed to Medicare | 403 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Admn sarscov2 vacc 1 dose (90480)84 services
- Sarscov2 vac 50 mcg/0.5ml im (91322)83 services
- Administration of influenza virus vaccine (G0008)53 services
- Influenza vaccine split virus, preservative free (90662)44 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)28 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%
- Arthritis38%
- Diabetes32%
- Chronic kidney disease23%
- Ischemic heart disease19%
Practice locations
Addresses where Karen D. Darden is enrolled with Medicare (CMS data updated October 2, 2026).
- 6 Garrett AveLa Plata, MD 20646 (301) 888‑2233
- 7450 Albert Rd, Fl 3Brandywine, MD 20613 (301) 888‑2233
Group practices
Medicare enrollment lists Karen D. Darden as a member of this group (CMS data updated October 2, 2026).
- Greater Baden Medical Service Incorporated34 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in La Plata
Clinicians with the same Medicare primary specialty in La Plata, MD — not a recommendation.
Other clinicians in Greater Baden Medical Service Incorporated
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) | 1043962418 |
| 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