IndividualActive
Mary Massena, LCSW
NPI 1841511821 · Clinical Social Worker · Greenville, IL
Mary Massena, LCSW is a Clinical Social Worker provider in Greenville, IL (NPI 1841511821).
Provider details
- NPI number
- 1841511821
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 149.013681 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
200 Health Care Dr
Greenville, IL 62246-1154
Phone: (618) 664-2252
Fax: (618) 664-2784
Street-level locationGet directions
Mailing address
200 Health Care Dr
Greenville, IL 62246-1154
Registry dates
- Enumerated
- 2010-06-14
- Last updated
- 2010-06-14
Frequently asked questions
- What is Mary Massena's NPI number?
- Mary Massena's National Provider Identifier (NPI) is 1841511821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Massena's specialty?
- Mary Massena is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Massena located?
- Mary Massena's practice location on file with NPPES is 200 Health Care Dr, Greenville, IL 62246-1154.
- What is Mary Massena's phone number?
- The practice phone number listed in the NPPES registry for Mary Massena is (618) 664-2252.
- Is Mary Massena's NPI active?
- Yes — Mary Massena's NPI (1841511821) is active in the NPPES registry as of the last update on 2010-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.