Mark Lazarovich, MD
NPI 1083619431 · Allergy & Immunology Physician · South Burlington, VT
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lazarovich, MD is a Allergy & Immunology Physician provider in South Burlington, VT (NPI 1083619431).
Provider details
- NPI number
- 1083619431
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
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
21 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
9,156 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 6,156 | $3 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 416 | $7 |
| Professional Service for Multiple Injections of Allergen95117 | 381 | $11 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 315 | $14 |
| Test to Determine Lung Volumes Using Sensors94726 | 294 | $52 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 263 | $118 |
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 |
|---|---|---|
| Montelukast Sodium | 323 | 108 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 200 | 36 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 147 | 34 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 139 | 46 |
| Mometasone/Formoterolbrand: Dulera | 94 | 25 |
| Fluticasone Propionate | 75 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$84 across 1 record (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
- 2005-06-14
- Last updated
- 2007-07-09
Frequently asked questions
- What is Mark Lazarovich's NPI number?
- Mark Lazarovich's National Provider Identifier (NPI) is 1083619431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lazarovich's specialty?
- Mark Lazarovich is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lazarovich located?
- Mark Lazarovich's practice location on file with NPPES is 53 Timber Ln, South Burlington, VT 05403-5201.
- What is Mark Lazarovich's phone number?
- The practice phone number listed in the NPPES registry for Mark Lazarovich is (802) 864-0294.
- Does Mark Lazarovich accept Medicare?
- Mark Lazarovich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lazarovich's NPI active?
- Yes — Mark Lazarovich's NPI (1083619431) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.