Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William J Milliken, MD

Individual provider Preventive Medicine/Occupational Environmental Medicine Physician · NPI 1578552360

Dr. William J Milliken, MD is a Preventive Medicine/Occupational Environmental Medicine Physician in Windsor, Colorado. Licensed in Colorado. Registered with an NPI since 2005.

Licensed in
CO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

8010 S County Road 5 Centerstone Ste 101
Windsor, CO 80528-9002
Phone: (970) 377-1300
Fax: (970) 377-1314
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X · Licence 39695 (CO)

Record details

NPI number1578552360
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 14, 2005
Last updated in NPPESOctober 9, 2009