Quick answers
- Does Karess A. Denny accept Medicare assignment?
- Yes. Medicare's clinician data says Karess A. Denny 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 Karess A. Denny see?
- In 2024, CMS data shows 420 Original Medicare patients and 2,172 services for Karess A. Denny. This counts Original Medicare only and measures volume, not quality.
- What is Karess A. Denny's NPI number?
- 1629215843. 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 Karess A. Denny, 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 | 420 |
|---|---|
| Services billed to Medicare | 2,172 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)1,240 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)249 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)197 services
- X-ray of lower and sacral spine, 2-3 views (72100)73 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)56 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%
- Arthritis75%
- Diabetes28%
- Ischemic heart disease25%
- Anxiety21%
Hospitals where Karess A. Denny works
Medicare's Facility Affiliation Data lists Karess A. Denny at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Inova Alexandria HospitalAlexandria, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490040
- Inova Mount Vernon HospitalAlexandria, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490122
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490050
Practice locations
Addresses where Karess A. Denny is enrolled with Medicare (CMS data updated October 2, 2026).
- 2501 Parkers LnAlexandria, VA 22306 (703) 892‑6500
- 2800 S Shirlington Rd, Suite 1000Arlington, VA 22206
- 2800 S Shirlington Rd, Suite 1100Arlington, VA 22206
Group practices
Medicare enrollment lists Karess A. Denny as a member of this group (CMS data updated October 2, 2026).
- Anderson Clinic LLC76 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Alexandria
Clinicians with the same Medicare primary specialty in Alexandria, VA — not a recommendation.
Other clinicians in Anderson Clinic LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629215843 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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