Sebastian Flacke, M.D.
NPI 1235326018 · Diagnostic Radiology Physician · Burlington, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sebastian Flacke, M.D. is a Diagnostic Radiology Physician provider in Burlington, MA (NPI 1235326018).
Provider details
- NPI number
- 1235326018
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 230805 (MA)
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
18 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
1,724 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) |
|---|---|---|
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 204 | $22 |
| Ct Scan of Heart Structure With Contrast75572 | 144 | $87 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 144 | $40 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 136 | $13 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 130 | $34 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 128 | $111 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$133 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
- 2007-09-26
- Last updated
- 2010-12-07
Frequently asked questions
- What is Sebastian Flacke's NPI number?
- Sebastian Flacke's National Provider Identifier (NPI) is 1235326018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sebastian Flacke's specialty?
- Sebastian Flacke is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sebastian Flacke located?
- Sebastian Flacke's practice location on file with NPPES is Lahey Clinic, Burlington, MA 01805-0001.
- What is Sebastian Flacke's phone number?
- The practice phone number listed in the NPPES registry for Sebastian Flacke is (781) 744-8170.
- Does Sebastian Flacke accept Medicare?
- Sebastian Flacke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sebastian Flacke's NPI active?
- Yes — Sebastian Flacke's NPI (1235326018) is active in the NPPES registry as of the last update on 2010-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.