Marie Duncan, LMFT
NPI 1457686958 · Marriage & Family Therapist · Greenville, SC
Marie Duncan, LMFT is a Marriage & Family Therapist provider in Greenville, SC (NPI 1457686958).
Provider details
- NPI number
- 1457686958
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4079 (SC)
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
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
Mailing address
Registry dates
- Enumerated
- 2009-10-16
- Last updated
- 2013-09-20
Frequently asked questions
- What is Marie Duncan's NPI number?
- Marie Duncan's National Provider Identifier (NPI) is 1457686958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Duncan's specialty?
- Marie Duncan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Marie Duncan located?
- Marie Duncan's practice location on file with NPPES is 107 E Park Ave, Greenville, SC 29601-1631.
- What is Marie Duncan's phone number?
- The practice phone number listed in the NPPES registry for Marie Duncan is (864) 420-2540.
- Is Marie Duncan's NPI active?
- Yes — Marie Duncan's NPI (1457686958) is active in the NPPES registry as of the last update on 2013-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.