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Contact Information

MARSDEN S BLOIS IV, MD
4743 ARAPAHOE AVE
STE 201
BOULDER, CO80303-1113
 Phone: 303-442-2395
 Fax: 303-442-1073
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Cardiovascular Disease

207RC0000X 11 Physician/Internal Medicine
 

Advanced Heart Failure & Transplant Cardiology

207RA0001X 11 Physician/Internal Medicine
Indicates primary specialty

NPI Profile & details for MARSDEN S BLOIS IV · (Male)

NPI # 1215938683
Status Active
Credentials MD
Entity Individual
Enumeration date 08/09/2005
Last updated 02/06/2026 - About 4 months ago
Sole proprietor 1 No
Identifiers
  • CO License # DR.0034464
  • TX License # J7308
Hospital affiliation(s)
  • BOULDER COMMUNITY HOSPITAL - (Acute Care)
    4747 ARAPAHOE AVENUE
    BOULDER, CO 80304
1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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