Quick answers
- Does Dimitrios Hatzivlassiou accept Medicare assignment?
- Yes. Medicare's clinician data says Dimitrios Hatzivlassiou 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 Dimitrios Hatzivlassiou see?
- In 2024, CMS data shows 274 Original Medicare patients and 621 services for Dimitrios Hatzivlassiou. This counts Original Medicare only and measures volume, not quality.
- What is Dimitrios Hatzivlassiou's NPI number?
- 1992769400. 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 Dimitrios Hatzivlassiou, 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 | 274 |
|---|---|
| Services billed to Medicare | 621 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)536 services
- Psychiatric diagnostic evaluation with medical services (90792)37 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)20 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%
- Depression75%
- Anxiety75%
- Alzheimer's disease or dementia75%
- Diabetes54%
Practice locations
Addresses where Dimitrios Hatzivlassiou is enrolled with Medicare (CMS data updated October 2, 2026).
- 12271 US Hwy 301 NParrish, FL 34219 (941) 713‑2231
- 232 N Orange Blossom TrlOrlando, FL 32805
- 5406 Hoover Blvd, Suite 18Tampa, FL 33634 (866) 770‑4104
- 725 N 12th Ave, BArcadia, FL 34266 (863) 494‑1242
Group practices
Medicare enrollment lists Dimitrios Hatzivlassiou as a member of these groups (CMS data updated October 2, 2026).
- MCR Health Inc123 clinicians in the group
- Health Care Center for the Homeless Inc92 clinicians in the group
- Ace Behavioral Health LLC41 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Parrish
Clinicians with the same Medicare primary specialty in Parrish, FL — not a recommendation.
Other clinicians in MCR Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| 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) | 1992769400 |
| 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