William Milliken, MD
NPI 1578552360 · Preventive Medicine/Occupational Environmental Medicine Physician · Windsor, CO
William Milliken, MD is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Windsor, CO (NPI 1578552360).
Provider details
- NPI number
- 1578552360
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39695 (CO)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense 39695 (CO)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-14
- Last updated
- 2009-10-09
Frequently asked questions
- What is William Milliken's NPI number?
- William Milliken's National Provider Identifier (NPI) is 1578552360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Milliken's specialty?
- William Milliken is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Milliken located?
- William Milliken's practice location on file with NPPES is 8010 S County Road 5, Windsor, CO 80528-9002.
- What is William Milliken's phone number?
- The practice phone number listed in the NPPES registry for William Milliken is (970) 377-1300.
- Is William Milliken's NPI active?
- Yes — William Milliken's NPI (1578552360) is active in the NPPES registry as of the last update on 2009-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.