Quick answers
- Does Theodore J. Anfinson accept Medicare assignment?
- Yes. Medicare's clinician data says Theodore J. Anfinson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Theodore J. Anfinson's NPI number?
- 1992838718. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Theodore J. Anfinson is enrolled with Medicare (CMS data updated October 2, 2026).
- 5500 S Sycamore StLittleton, CO 80120 (303) 730‑8858
- 6507 S Santa Fe DrLittleton, CO 80120 (303) 730‑8858
Group practices
Medicare enrollment lists Theodore J. Anfinson as a member of this group (CMS data updated October 2, 2026).
- Arapahoe Mental Health Center Inc131 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Littleton
Clinicians with the same Medicare primary specialty in Littleton, CO — not a recommendation.
Other clinicians in Arapahoe Mental Health Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1992838718 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians