Mary Demunn, BS, CASAC
NPI 1639329808 · Addiction (Substance Use Disorder) Counselor · Cortland, NY
Mary Demunn, BS, CASAC is a Addiction (Substance Use Disorder) Counselor provider in Cortland, NY (NPI 1639329808).
Provider details
- NPI number
- 1639329808
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- BS, CASAC
- Sex
- Female
- Sole proprietor
- No
- License
- 21308 (NY)
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
17 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
- 2008-09-24
- Last updated
- 2010-10-20
Frequently asked questions
- What is Mary Demunn's NPI number?
- Mary Demunn's National Provider Identifier (NPI) is 1639329808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Demunn's specialty?
- Mary Demunn is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Demunn located?
- Mary Demunn's practice location on file with NPPES is 10 N Main St, Cortland, NY 13045-2130.
- What is Mary Demunn's phone number?
- The practice phone number listed in the NPPES registry for Mary Demunn is (607) 753-0234.
- Is Mary Demunn's NPI active?
- Yes — Mary Demunn's NPI (1639329808) is active in the NPPES registry as of the last update on 2010-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.