Marian Hartblay, M.A.T., M.E.D.
NPI 1689889784 · Developmental Therapist · Northampton, MA
Marian Hartblay, M.A.T., M.E.D. is a Developmental Therapist provider in Northampton, MA (NPI 1689889784).
Provider details
- NPI number
- 1689889784
- Entity type
- Individual
- Primary specialty
- Developmental TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- M.A.T., M.E.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 293014 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-05-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marian Hartblay's NPI number?
- Marian Hartblay's National Provider Identifier (NPI) is 1689889784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marian Hartblay's specialty?
- Marian Hartblay is listed in the NPPES registry with a primary specialty of Developmental Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marian Hartblay located?
- Marian Hartblay's practice location on file with NPPES is 45 Round Hill Rd, Northampton, MA 01060-2123.
- What is Marian Hartblay's phone number?
- The practice phone number listed in the NPPES registry for Marian Hartblay is (413) 584-3450.
- Is Marian Hartblay's NPI active?
- Yes — Marian Hartblay's NPI (1689889784) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.