Dr. Tzvetan Vassilev, MD
- Medicare services, 2024
- 2,379
- Medicare patients, 2024
- 555
- Part D claims, 2024
- 1,240
- MIPS score, 2024
- 97
- Hospital affiliations
- 5
- Practice address
- 5400 Laurel Springs Pkwy, Suwanee, GA 30024
- Practice phone
- Call (678) 347-2153
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Infectious Disease Consultants
Suwanee, Georgia
Find Dr. Vassilev's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Tzvetan Vassilev is an infectious disease specialist in Suwanee, Georgia
Dr. Vassilev practices at Infectious Disease Consultants in Suwanee, Georgia.
Dr. Vassilev's NPI, 1619980893, was assigned on August 15, 2006. Dr. Vassilev holds Georgia license 049952.
- NPI
- 1619980893NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406822824
- NPI enumeration date
- August 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (678) 347-2153
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tzvetan Vassilev practices at Infectious Disease Consultants in Suwanee, Georgia
Dr. Vassilev's primary practice is Infectious Disease Consultants, at 5400 Laurel Springs Pkwy, Suwanee, GA 30024 in Gwinnett County. The practice phone is (678) 347-2153.
- Infectious Disease Consultants5400 Laurel Springs Pkwy, Suwanee, GA 30024 · Gwinnett CountyPhone(678) 347-2153
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tzvetan Vassilev is affiliated with 10 sites of care and 1 medical group
Dr. Vassilev's primary practice is Infectious Disease Consultants in Suwanee, Georgia. Dr. Vassilev is also affiliated with Northside Hospital Atlanta. The medical group on file is Infectious Disease Consultants of Georgia. Dmand AI also links Dr. Vassilev to 4 more hospitals, 3 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Tzvetan Vassilev's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vassilev practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Infectious Disease Consultants | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tzvetan Vassilev is one of 303 infectious disease specialists in Georgia
Infectious disease is Dr. Vassilev's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Vassilev is licensed in Georgia.
Specialties and state licenses
- Infectious disease, GeorgiaPrimary
Infectious disease specialists near Dr. Vassilev
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tzvetan Vassilev billed Medicare for 2,379 services in 2024
CMS data shows 2,379 Medicare services from Dr. Vassilev across 11 procedure codes in 2024, for 555 Medicare patients. Medicare paid $199,660 for them.
Dr. Vassilev's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,9032024: 2,23217%
- Other services
- 2023: 122024: 125942%
- Tests and treatments
- 2023: 112024: 22100%
- Surgery
- 2023: 162024: 0100%
Where Dr. Vassilev's Medicare services took place, 2024
- In an office42218%
- In a facility1,95782%
Dr. Vassilev compared with the Georgia median for infectious disease specialists, 2024
- Dr. Vassilev
- Georgia median
- Medicare services
- 2,379vs 22510.6 times
- Medicare patients
- 555vs 1184.7 times
- Part D claims
- 1,016vs 2494.1 times
Medians across 244 infectious disease specialists in Georgia with Dmand AI profiles that report each measure.
Dr. Vassilev's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Vassilev?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vassilev and other infectious disease specialists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tzvetan Vassilev treated 555 Medicare patients in 2024, average age 74
CMS counts 555 Medicare patients who saw Dr. Vassilev in 2024. The largest group is 75 to 84, with 222 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 3.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Vassilev's median patient age at 64, with 47% women.
Dr. Vassilev's Medicare patients by age, 2024
Dr. Vassilev's Medicare patients by sex, 2024
- Women27750%
- Men27850%
Chronic conditions among Dr. Vassilev's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Chronic kidney disease54%
- Arthritis50%
- Heart failure48%
- Mood disorders46%
- Ischemic heart disease45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vassilev's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tzvetan Vassilev wrote 1,240 Medicare Part D claims in 2024
In 2024, Dr. Vassilev wrote 1,240 Medicare Part D claims for 257 patients. 60% of them were for generic drugs. CMS names the drug for 1,016 of them, across 26 drugs with 11 or more claims each, at $1,787,816 in total drug cost. In 2023, CMS named 1,000 claims across 27 drugs.
Dr. Vassilev's Part D claims by kind of drug, 2024
- Generic740 claims60%
- Brand-name500 claims40%
Dr. Vassilev's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Vassilev's Part D claims, 2024
- Antibiotics45%560 of 1,240 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0002024: 1,0162%
Drugs named by CMS: 26 in 2024, 27 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Tzvetan Vassilev scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Vassilev for performance year 2024, reported as part of a group. Dr. Vassilev accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Vassilev as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Vassilev's MIPS scores, performance year 2024
- 97of 100Final score
- 84.3of 100Quality
- 40of 100Improvement Activities
- 83of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Tzvetan Vassilev received $10,930 in industry payments from 2016 to 2025
CMS Open Payments shows 564 general payments to Dr. Vassilev from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. ViiV Healthcare Company paid the most, $2,165.
General payments to Dr. Vassilev by program year, 2016 to 2025
General payments to Dr. Vassilev by kind, 2016 to 2025
- Food and beverage$10,77099%
- Education$1601%
Companies that paid Dr. Vassilev the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Tzvetan Vassilev's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tzvetan Vassilev
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tzvetan Vassilev's NPI number?
Dr. Tzvetan Vassilev's NPI number is 1619980893. It was assigned on August 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tzvetan Vassilev?
Dr. Tzvetan Vassilev is an infectious disease specialist in Suwanee, Georgia. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Tzvetan Vassilev practice?
Dr. Vassilev practices at 5400 Laurel Springs Pkwy, Suwanee, GA 30024. Dr. Vassilev's primary practice is Infectious Disease Consultants in Suwanee, Georgia. Dmand AI also links Dr. Vassilev to 4 hospitals, 3 home health agencies and 1 group practice or clinic.
What is Dr. Tzvetan Vassilev's office phone number?
The practice phone on file for Dr. Vassilev is (678) 347-2153.
What is Dr. Tzvetan Vassilev's medical license number?
Dr. Vassilev holds Georgia license 049952.
Which hospitals is Dr. Tzvetan Vassilev affiliated with?
Dr. Vassilev is affiliated with Northside Hospital Atlanta. Dmand AI links Dr. Vassilev to 4 more hospitals.
What medical group is Dr. Tzvetan Vassilev part of?
Dr. Vassilev is linked to Infectious Disease Consultants of Georgia.
Does Dr. Tzvetan Vassilev accept Medicare?
Yes. CMS data shows Dr. Vassilev billed Medicare for 2,379 services in 2024, and Dr. Vassilev accepts Medicare assignment.
Does Dr. Tzvetan Vassilev offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Vassilev as offering telehealth services.
What is Dr. Tzvetan Vassilev's MIPS score?
Dr. Vassilev's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Tzvetan Vassilev see?
CMS counts 555 Medicare patients who saw Dr. Vassilev in 2024, with an average age of 74.
What services does Dr. Tzvetan Vassilev bill to Medicare?
In 2024, Dr. Vassilev's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
What drugs does Dr. Tzvetan Vassilev prescribe most?
In 2024 Medicare Part D data, Dr. Vassilev's most prescribed drugs by claims were Biktarvy, Ceftriaxone and Dovato.
Has Dr. Tzvetan Vassilev received payments from drug or device companies?
CMS Open Payments shows $10,930 in general payments to Dr. Vassilev from 36 companies from 2016 to 2025. The largest total came from ViiV Healthcare Company.
How long has Dr. Tzvetan Vassilev been practicing?
Dr. Vassilev graduated from medical school in 1988, 38 years ago.
Selling to infectious disease practices?
See infectious disease specialists in Georgia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card