William Timothy Northquist
Internal Medicine • Plainfield, IN
Professional Overview & Biography Verified Profile Summary
William Northquist is a certified Internal Medicine practicing in Plainfield, IN. With approximately 5 years of clinical experience since graduating from Indiana University School Of Medicine in 2021, William Northquist delivers high-quality medical care to the local community at 1100 SOUTHFIELD DR STE 1220.
William Northquist is affiliated with Hendricks County Hospital and accepts Medicare assignment.
Practice Location & Contact Primary Location
1100 Southfield Dr Ste 1220
Plainfield, IN 461684499
Medicare Profile & Education
Indiana University School Of Medicine
2021
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Plainfield, IN
Practicing in Plainfield, IN (2204 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Medical Specialties & State Licenses
CMS Verified: 2025-08-19NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 208000000X
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Hospital & Practice Group Affiliations
Hendricks County Hospital
1100 Southfield Dr, Plainfield, IN 461684499
Phone: 3178383443
Secondary Practice Locations
705 Riley Hospital Dr Rm 5837
Indianapolis, IN 462025109
Phone: 3179480003
1411 S Green St
Brownsburg, IN 461122049
Phone: 3178523600
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Pediatrics
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant (Certified)
Nurse Practitioner - Family
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 1100 SOUTHFIELD DR STE 1220, PLAINFIELD, IN 461684499 (Tel: 3178383443)
Registered at 1100 SOUTHFIELD DR STE 1370, PLAINFIELD, IN 461684300 (Tel: 3178375566)
Pediatrics (License #01096875A in IN)
NPI status registered as active in NPPES database
Registered at 705 RILEY HOSPITAL DR RM 5837, INDIANAPOLIS, IN 462025109 (Tel: 3179480003)
Registered at 705 RILEY HOSPITAL DR RM 5837, INDIANAPOLIS, IN 462025109
Recorded as WILLIAM NORTHQUIST
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1100 Southfield Dr Ste 1370
Plainfield, IN 461684300
Phone: 3178375566
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.