William Mills
NPI 1104377878 · Mental Health Counselor · Minneapolis, MN
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mills is a Mental Health Counselor provider in Minneapolis, MN (NPI 1104377878).
Provider details
- NPI number
- 1104377878
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 303367
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-10-18
- Last updated
- 2016-10-18
Frequently asked questions
- What is William Mills's NPI number?
- William Mills's National Provider Identifier (NPI) is 1104377878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mills's specialty?
- William Mills is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Mills located?
- William Mills's practice location on file with NPPES is 1804 10th Ave S, Minneapolis, MN 55404-2001.
- What is William Mills's phone number?
- The practice phone number listed in the NPPES registry for William Mills is (612) 747-9561.
- Does William Mills accept Medicare?
- William Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mills's NPI active?
- Yes — William Mills's NPI (1104377878) is active in the NPPES registry as of the last update on 2016-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.