Brian Lilleness, M.D.
NPI 1437543873 · Cardiovascular Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Lilleness, M.D. is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1437543873).
Provider details
- NPI number
- 1437543873
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 273645 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
475 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 153 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 101 | $71 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 53 | $82 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 39 | $79 |
| 3d Radiographic Procedure With Computerized Image Postprocessing76377 | 23 | $39 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-24
- Last updated
- 2024-08-16
- Certified
- 2024-08-16
Frequently asked questions
- What is Brian Lilleness's NPI number?
- Brian Lilleness's National Provider Identifier (NPI) is 1437543873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Lilleness's specialty?
- Brian Lilleness is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Lilleness located?
- Brian Lilleness's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215-5491.
- What is Brian Lilleness's phone number?
- The practice phone number listed in the NPPES registry for Brian Lilleness is (617) 667-7000.
- Does Brian Lilleness accept Medicare?
- Brian Lilleness is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Lilleness's NPI active?
- Yes — Brian Lilleness's NPI (1437543873) is active in the NPPES registry as of the last update on 2024-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.