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

Dr. William J Williams, MD

Individual provider Orthopaedic Surgery Physician · NPI 1770532905

Dr. William J Williams, MD is an Orthopaedic Surgery Physician in Boulder, Colorado. Licensed in Colorado. Registered with an NPI since 2006.

Licensed in
CO
In the registry since
2006
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

933 Alpine Ave
Boulder, CO 80304-3305
Phone: (303) 449-2730
Fax: (303) 449-9599
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 24304 (CO)

Record details

NPI number1770532905
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2006
Last updated in NPPESSeptember 27, 2011
Mailing address933 Alpine Ave, Boulder, CO 80304-3305

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