IndividualActive
Harold Nelson, MD
NPI 1104916873 · Allergy & Immunology Physician · Denver, CO
Provider details
- NPI number
- 1104916873
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 18391 (CO)
Practice location
1400 Jackson St
Denver, CO 80206-2761
Phone: (303) 388-4461
Fax: (303) 270-2174
Mailing address
1400 Jackson St
Denver, CO 80206-2761
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2020-11-12
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.