Marykay Duffy, L.M.H.C.
NPI 1588857007 · Mental Health Counselor · Scituate, MA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marykay Duffy, L.M.H.C. is a Mental Health Counselor provider in Scituate, MA (NPI 1588857007).
Provider details
- NPI number
- 1588857007
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- L.M.H.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6337 (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
18 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
- 2007-08-20
- Last updated
- 2007-08-20
Frequently asked questions
- What is Marykay Duffy's NPI number?
- Marykay Duffy's National Provider Identifier (NPI) is 1588857007, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marykay Duffy's specialty?
- Marykay Duffy is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marykay Duffy located?
- Marykay Duffy's practice location on file with NPPES is 26 Country Club Cir, Scituate, MA 02066-1420.
- What is Marykay Duffy's phone number?
- The practice phone number listed in the NPPES registry for Marykay Duffy is (781) 545-2196.
- Does Marykay Duffy accept Medicare?
- Marykay Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marykay Duffy's NPI active?
- Yes — Marykay Duffy's NPI (1588857007) is active in the NPPES registry as of the last update on 2007-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.