Nancy Mary Horstmann, PHD
Clinical Psychologist · Psychologist in Boulder, CO
Provider details
- Specialty
- Clinical Psychologist
- Credentials
- PhD
- NPI number
- 1184669343
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Medical school
- University of Maryland School of Medicine, graduated 1977
- Also sees patients at
- 3393 Iris Ave, Suite 204, Boulder, CO 80301 · (303) 447-0811
- Medicare
- Accepts Medicare assignment (the Medicare-approved amount as full payment)
- Telehealth
- Offers telehealth visits
From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
Specialties
- Clinical Psychology
Insurance
- Aetna HMO
- Blue Cross and Blue Shield - BlueCard PPO
- Cigna - Open Access
- Cigna HMO
- Cigna PPO
- First Health PPO
- Great West Healthcare PPO
- Humana - Choice Care PPO
- MultiPlan - PHCS PPO
- MultiPlan PPO
Other care in Boulder
- Emotional Support in Boulder (596)
- Holistic Practitioners in Boulder (102)
- Massage Therapists in Boulder (48)
- Psychiatrists in Boulder (46)
- Wellness and Nutrition in Boulder (41)
- Oncologists in Boulder (22)
- Health Insurance in Boulder (6)
- Prosthetics, Wigs & Accessories in Boulder (6)
- Legal Assistance in Boulder (5)
- Hospice in Boulder (5)
- Cancer Treatment Centers in Boulder (5)
- Medical Imaging and Screening in Boulder (4)
- Home Health Care in Boulder (4)
- Physical Therapists in Boulder (1)
- Financial Assistance in Boulder (1)
Listings are provided for information only and may be out of date. Know Cancer does not endorse any provider. Please confirm details directly with the provider.