Quick answers
- Does Dionysios K. Veronikis accept Medicare assignment?
- Yes. Medicare's clinician data says Dionysios K. Veronikis 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 Dionysios K. Veronikis see?
- In 2024, CMS data shows 172 Original Medicare patients and 898 services for Dionysios K. Veronikis. This counts Original Medicare only and measures volume, not quality.
- What is Dionysios K. Veronikis's NPI number?
- 1629047626. 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 Dionysios K. Veronikis, 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 | 172 |
|---|---|
| Services billed to Medicare | 898 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies (51729)138 services
- Electronic assessment of bladder emptying (51741)138 services
- Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings (51784)132 services
- Suture of injury of vagina and/or skin (57210)87 services
- Repair of pelvic ligaments through vagina (57282)77 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 pressure68%
- Arthritis55%
- Anxiety30%
- Osteoporosis24%
- Chronic kidney disease22%
Hospitals where Dionysios K. Veronikis works
Medicare's Facility Affiliation Data lists Dionysios K. Veronikis 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.
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
Practice locations
Addresses where Dionysios K. Veronikis is enrolled with Medicare (CMS data updated October 2, 2026).
- 615 S New Ballas RdSaint Louis, MO 63141 (314) 251‑6000
- 621 S New Ballas RdSaint Louis, MO 63141 (314) 251‑6753
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629047626 |
| 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