DR. MARK D GUADAGNOLI (M.D.) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1043208259

DR. MARK D GUADAGNOLI (M.D.) is a healthcare provider. based in Loveland, Colorado. specializing in THORACIC SURGERY. They hold the professional credentials M.D.. They hold a License No. 29590 (CO). The NPI Number for DR. MARK D GUADAGNOLI (M.D.) is 1043208259

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK D GUADAGNOLI (M.D.)
NPI
1043208259
Phone
(970) 624-1800
Address
2500 ROCKY MOUNTAIN AVE
Enumeration Date
11 October 2005
Last Update Date
7 December 2022

Doctor Profile

Medical School Name
UNIVERSITY OF NEW MEXICO SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1981 (45 years ago)
PAC ID
1557354925
Professional Enrollment ID
I20150528001850
Address ID
CO805389071LO2695XAVEX409

Contacts

Secure Messaging
mguadagnoli27709@direct.crmcwy.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience78
Completeness85
Years active:20State licenses:2Other namesUpdated within 12 months

99 THORACIC SURGERY in CO

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Provider Addresses for DR. MARK D GUADAGNOLI (M.D.)

  • Medical Center of the Rockies, 2500, Rocky Mountain Avenue, Loveland, Larimer County, Colorado, 80538, United States

    SUITE 100

    LOVELAND, CO 805389004

    Phone: (970) 624-1800

    Fax: (970) 624-1891

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 12 Open Payments records for all available years, with a total value of $1,717.

Total Amount is formed as General ($1,717) + Research ($0) + Ownership ($0) = $1,717.

Last reported payment date: 2024-05-14 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($1,524).

Total Amount

$1,717

General + Research + Ownership

Payments

12

Total payment records

General Amount

$1,717

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-14

Latest reported date

Top Companies

Largest payers in this snapshot

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 80538)

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Provider's Procedures

DR. MARK D GUADAGNOLI (M.D.) performs procedures in THORACIC SURGERY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
THORACIC SURGERYCO33405Replacement of left lower heart chamber valve using artificial valve on heart-lung machine1717
THORACIC SURGERYCO33533Heart artery bypass to repair one artery2020

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Frequently asked questions

How do payers reference DR. MARK D GUADAGNOLI (M.D.)?
For DR. MARK D GUADAGNOLI (M.D.), use NPI 1043208259 as the unique 10-digit identifier.
Is DR. MARK D GUADAGNOLI (M.D.) shown as active in public data?
Registry records indicate DR. MARK D GUADAGNOLI (M.D.) maintains an active NPI.
What expertise is attributed to DR. MARK D GUADAGNOLI (M.D.)?
DR. MARK D GUADAGNOLI (M.D.)'s specialty line reads Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for DR. MARK D GUADAGNOLI (M.D.)?
Travel planning: use Loveland, Colorado as the reference point for DR. MARK D GUADAGNOLI (M.D.), then confirm.
When was this NPI issued?
Enumeration for DR. MARK D GUADAGNOLI (M.D.) is noted as October 11, 2005 where the registry provides it.

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