Search › Indiana › Internal Medicine Physician
William Northquist
NPI 1104405349 · on the registry since 2021 · sole proprietor
Practice
- Address
- 1100 Southfield Dr Ste 1220
Plainfield, IN 46168 - Phone
- (317) 838-3443
- Fax
- (317) 838-3444
- Organisation at this address
- Glasshouse Optical, Inc
Hendricks County Hospital
Hendricks County Hospital
Hendricks County Hospital
Hendricks County HospitalInferred from a shared address, not stated in the registry. - Clinicians at this address
- 50
Additional practice sites
- 705 Riley Hospital Dr Rm 5837, Indianapolis, IN
- 1411 S Green St, Brownsburg, IN
Registry record
- Primary taxonomy
- Internal Medicine Physician
207R00000X
- Also registered as
- Pediatrics Physician
- Licence states on file
- IN
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-08-19
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 Indiana