Search › Iowa › Hospice and Palliative Medicine (Internal Medicine) Physician
Nickolas Demark, DO
NPI 1114214004 · on the registry since 2011
Practice
- Address
- 1229 C Ave E
Oskaloosa, IA 52577 - Phone
- (641) 672-3100
- Fax
- (641) 672-3381
- Organisation at this address
- Mahaska County Hospital
Mahaska County Hospital
Mahaska County Hospital
Mahaska County Hospital
Mahaska County HospitalInferred from a shared address, not stated in the registry. - Clinicians at this address
- 125
Additional practice sites
- 1715 Dousman St, Green Bay, WI
- 1726 Shawano Ave, Green Bay, WI
- 130 2nd St, Neenah, WI
- 900 Illinois Ave, Stevens Point, WI
- 1818 N Meade St, Appleton, WI
- 900 Illinois Ave, Stevens Point, WI
Registry record
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician
207RH0002X
- Also registered as
- Hospitalist Physician
Internal Medicine Physician
Internal Medicine Physician - Licence states on file
- WI, MI, IA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-07-01
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Iowa