Quick answers
- Does Tzvetan Vassilev accept Medicare assignment?
- Yes. Medicare's clinician data says Tzvetan Vassilev 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 Tzvetan Vassilev see?
- In 2024, CMS data shows 555 Original Medicare patients and 8,642 services for Tzvetan Vassilev. This counts Original Medicare only and measures volume, not quality.
- What is Tzvetan Vassilev's NPI number?
- 1619980893. 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 Tzvetan Vassilev, 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 | 555 |
|---|---|
| Services billed to Medicare | 8,642 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,121 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)302 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)209 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)206 services
- Critical care, first 30-74 minutes (99291)184 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%
- Diabetes56%
- Chronic kidney disease54%
- Arthritis50%
- Heart failure48%
Hospitals where Tzvetan Vassilev works
Medicare's Facility Affiliation Data lists Tzvetan Vassilev 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.
- Northside HospitalAtlanta, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110161
- Northside Hospital DuluthDuluth, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110252
- Northside Hospital GwinnettLawrenceville, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110087
- Piedmont Athens Regional Medical CenterAthens, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 110074
- Piedmont Eastside Medical CenterSnellville, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110192
Practice locations
Addresses where Tzvetan Vassilev is enrolled with Medicare (CMS data updated October 2, 2026).
- 5400 Laurel Springs Pkwy, Suite 1404Suwanee, GA 30024 (678) 347‑2153
Group practices
Medicare enrollment lists Tzvetan Vassilev as a member of this group (CMS data updated October 2, 2026).
- Infectious Disease Consultants PC10 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Suwanee
Clinicians with the same Medicare primary specialty in Suwanee, GA — not a recommendation.
Other clinicians in Infectious Disease Consultants PC
Medicare enrollment lists these clinicians in the same group practice — 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) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619980893 |
| 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