Quick answers
- Does Mary K. Lilly accept Medicare assignment?
- Yes. Medicare's clinician data says Mary K. Lilly 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 Mary K. Lilly's NPI number?
- 1285013888. 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 Mary K. Lilly is enrolled with Medicare (CMS data updated October 2, 2026).
- 110 Jefferson StWest Union, IA 52175 (563) 422‑3817
- 112 Jefferson StWest Union, IA 52175 (563) 422‑3811
- 1501 42nd St, Suite 575West Des Moines, IA 50266 (855) 270‑3625
Group practices
Medicare enrollment lists Mary K. Lilly as a member of these groups (CMS data updated October 2, 2026).
- Evizzit of Iowa Psychiatry PC50 clinicians in the group
- Palmer Lutheran Health Center Inc37 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Other clinicians in Evizzit of Iowa Psychiatry PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285013888 |
| 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