Quick answers
- Does Alexis O. Kladakis accept Medicare assignment?
- Yes. Medicare's clinician data says Alexis O. Kladakis 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 Alexis O. Kladakis see?
- In 2024, CMS data shows 1,916 Original Medicare patients and 7,667 services for Alexis O. Kladakis. This counts Original Medicare only and measures volume, not quality.
- What is Alexis O. Kladakis's NPI number?
- 1831149137. 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 Alexis O. Kladakis, 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 | 1,916 |
|---|---|
| Services billed to Medicare | 7,667 |
| Different services or procedures | 80 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)4,188 services
- Screening mammography (77067)698 services
- Screening 3d breast mammography (77063)695 services
- Dxa bone density measurement of hip, pelvis, spine (77080)514 services
- Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)176 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 cholesterol75%
- High blood pressure55%
- Arthritis45%
- Osteoporosis28%
- Diabetes17%
- Ischemic heart disease16%
Practice locations
Addresses where Alexis O. Kladakis is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1005 N Glebe Rd, Suite 110Arlington, VA 22201 (703) 280‑1410
- 10215 Fernwood RdBethesda, MD 20817
- 1145 19th St NW, Suite 101Washington, DC 20036 (833) 443‑9463
- 1145 19th St NW, Suite 200Washington, DC 20036 (571) 388‑2754
- 12505 Park Potomac Ave, Suite 120Potomac, MD 20854 (240) 223‑4700
Group practices
Medicare enrollment lists Alexis O. Kladakis as a member of this group (CMS data updated October 2, 2026).
- Washington Radiology Assoc PLLC36 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Arlington
Clinicians with the same Medicare primary specialty in Arlington, VA — not a recommendation.
Other clinicians in Washington Radiology Assoc PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831149137 |
| 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