David Demos, MD
NPI 1356502314 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Demos, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Milwaukee, WI (NPI 1356502314).
Provider details
- NPI number
- 1356502314
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 67650-20 (WI)
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
177 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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 73 | $41 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 41 | $152 |
| Removal of Lymph Nodes of Chest Cavity Using an Endoscope32674 | 21 | $182 |
| Exam of Lung With Removal of Lung Lobe Using an Endoscope32663 | 15 | $1,200 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 15 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$75,057 across 107 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
- 2008-06-23
- Last updated
- 2023-10-17
- Certified
- 2023-10-17
Frequently asked questions
- What is David Demos's NPI number?
- David Demos's National Provider Identifier (NPI) is 1356502314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Demos's specialty?
- David Demos is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is David Demos located?
- David Demos's practice location on file with NPPES is 2901 W Kinnickinnic River Pkwy Ste 511, Milwaukee, WI 53215-3660.
- What is David Demos's phone number?
- The practice phone number listed in the NPPES registry for David Demos is (414) 649-3780.
- Does David Demos accept Medicare?
- David Demos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Demos's NPI active?
- Yes — David Demos's NPI (1356502314) is active in the NPPES registry as of the last update on 2023-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.