Quick answers
- Does Clarisa D. Quarles-Diallo accept Medicare assignment?
- Yes. Medicare's clinician data says Clarisa D. Quarles-Diallo 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 Clarisa D. Quarles-Diallo see?
- In 2024, CMS data shows 43 Original Medicare patients and 123 services for Clarisa D. Quarles-Diallo. This counts Original Medicare only and measures volume, not quality.
- What is Clarisa D. Quarles-Diallo's NPI number?
- 1295426252. 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 Clarisa D. Quarles-Diallo, 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 | 43 |
|---|---|
| Services billed to Medicare | 123 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 84 |
Most frequent services
- Advance care planning, first 30 minutes (99497)77 services
- Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes (99345)30 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%
- Arthritis60%
- Chronic kidney disease51%
- Ischemic heart disease49%
- Heart failure49%
Practice locations
Addresses where Clarisa D. Quarles-Diallo is enrolled with Medicare (CMS data updated October 2, 2026).
- 2505 Davis RdWaldorf, MD 20603 (410) 987‑2003
- 90 Ritchie HwyPasadena, MD 21122
Group practices
Medicare enrollment lists Clarisa D. Quarles-Diallo as a member of this group (CMS data updated October 2, 2026).
- Hospice of the Chesapeake, Inc.7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Waldorf
Clinicians with the same Medicare primary specialty in Waldorf, MD — not a recommendation.
Other clinicians in Hospice of the Chesapeake, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | University Of Arizona College Of Medicine - Phoenix |
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295426252 |
| 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