Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Sarah U Duggan

Individual provider Mental Health Counselor · NPI 1255666947

Mrs. Sarah U Duggan is a Clinical Social Worker in Waltham, Massachusetts. Qualified in 2011, 15 years ago. Practices with Health and Human Services LLC, a 10-clinician group, accepts Medicare assignment and offers telehealth.

Years since qualifying
15
In the registry since
2009
Specialties on file
2

Practice location Address checks out

20 High St Ste 1
Waltham, MA 02453-0574
Phone: (781) 242-2200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1255666947
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 14, 2009
Last updated in NPPESApril 2, 2025
Certification dateApril 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Health And Human Services Llc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Waltham