Mark Guadagnoli, M.D.
NPI 1043208259 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Loveland, CO
Mark Guadagnoli, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Loveland, CO (NPI 1043208259).
Provider details
- NPI number
- 1043208259
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29590 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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.
$1,619 across 11 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
- 2005-10-11
- Last updated
- 2022-12-07
- Certified
- 2022-12-07
Frequently asked questions
- What is Mark Guadagnoli's NPI number?
- Mark Guadagnoli's National Provider Identifier (NPI) is 1043208259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Guadagnoli's specialty?
- Mark Guadagnoli is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Guadagnoli located?
- Mark Guadagnoli's practice location on file with NPPES is 2500 Rocky Mountain Ave, Loveland, CO 80538-9004.
- What is Mark Guadagnoli's phone number?
- The practice phone number listed in the NPPES registry for Mark Guadagnoli is (970) 624-1800.
- Is Mark Guadagnoli's NPI active?
- Yes — Mark Guadagnoli's NPI (1043208259) is active in the NPPES registry as of the last update on 2022-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.