Merleen Mills
NPI 1144321852 · Clinical Social Worker · Worcester, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Merleen Mills is a Clinical Social Worker provider in Worcester, MA (NPI 1144321852).
Provider details
- NPI number
- 1144321852
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 1021065 (MA)
Specialties & taxonomies
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
19 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
- 2006-09-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Merleen Mills's NPI number?
- Merleen Mills's National Provider Identifier (NPI) is 1144321852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merleen Mills's specialty?
- Merleen Mills is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Merleen Mills located?
- Merleen Mills's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Merleen Mills's phone number?
- The practice phone number listed in the NPPES registry for Merleen Mills is (508) 334-3562.
- Does Merleen Mills accept Medicare?
- Merleen Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Merleen Mills's NPI active?
- Yes — Merleen Mills's NPI (1144321852) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.