John Rousou, M.D.
NPI 1073539516 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Rousou, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Springfield, MA (NPI 1073539516).
Provider details
- NPI number
- 1073539516
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 42003 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$106 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
- 2006-07-15
- Last updated
- 2016-11-14
Frequently asked questions
- What is John Rousou's NPI number?
- John Rousou's National Provider Identifier (NPI) is 1073539516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Rousou's specialty?
- John Rousou is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is John Rousou located?
- John Rousou's practice location on file with NPPES is 759 Chestnut St, Springfield, MA 01107-1619.
- What is John Rousou's phone number?
- The practice phone number listed in the NPPES registry for John Rousou is (413) 794-5550.
- Does John Rousou accept Medicare?
- John Rousou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Rousou's NPI active?
- Yes — John Rousou's NPI (1073539516) is active in the NPPES registry as of the last update on 2016-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.