Tzvetan Vassilev, MD
NPI 1619980893 · Infectious Disease Physician · Lawrenceville, GA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tzvetan Vassilev, MD is a Infectious Disease Physician provider in Lawrenceville, GA (NPI 1619980893).
Provider details
- NPI number
- 1619980893
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 049952 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,379 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,121 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 302 | $116 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 209 | $169 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 206 | $126 |
| Critical Care, First 30-74 Minutes99291 | 184 | $208 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 145 | 15 |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 103 | 34 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 76 | — |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 73 | — |
| Ertapenem Sodiumbrand: Ertapenem | 71 | 29 |
| Doxycycline Hyclate | 67 | 33 |
| Estradiol | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,448 across 68 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-15
- Last updated
- 2012-07-23
Frequently asked questions
- What is Tzvetan Vassilev's NPI number?
- Tzvetan Vassilev's National Provider Identifier (NPI) is 1619980893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tzvetan Vassilev's specialty?
- Tzvetan Vassilev is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Tzvetan Vassilev located?
- Tzvetan Vassilev's practice location on file with NPPES is 1960 Riverside Pkwy, Lawrenceville, GA 30043-5945.
- What is Tzvetan Vassilev's phone number?
- The practice phone number listed in the NPPES registry for Tzvetan Vassilev is (770) 495-0466.
- Does Tzvetan Vassilev accept Medicare?
- Tzvetan Vassilev is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tzvetan Vassilev's NPI active?
- Yes — Tzvetan Vassilev's NPI (1619980893) is active in the NPPES registry as of the last update on 2012-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.