Joanne Grassia, PH.D.
NPI 1669833497 · Marriage & Family Therapist · Northampton, MA
Joanne Grassia, PH.D. is a Marriage & Family Therapist provider in Northampton, MA (NPI 1669833497).
Provider details
- NPI number
- 1669833497
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
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
10 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 101 University DrAmherst, MA 01002-2473Phone: (413) 530-1191
Registry dates
- Enumerated
- 2016-03-07
- Last updated
- 2022-11-06
- Certified
- 2022-11-06
Frequently asked questions
- What is Joanne Grassia's NPI number?
- Joanne Grassia's National Provider Identifier (NPI) is 1669833497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Grassia's specialty?
- Joanne Grassia is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Joanne Grassia located?
- Joanne Grassia's practice location on file with NPPES is 83 Bancroft Rd, Northampton, MA 01060-2108.
- What is Joanne Grassia's phone number?
- The practice phone number listed in the NPPES registry for Joanne Grassia is (607) 279-7254.
- Is Joanne Grassia's NPI active?
- Yes — Joanne Grassia's NPI (1669833497) is active in the NPPES registry as of the last update on 2022-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.