IndividualActive
Robert Hollander
NPI 1588593909 · Psychologist · Hadley, MA
Robert Hollander is a Psychologist provider in Hadley, MA (NPI 1588593909).
Provider details
- NPI number
- 1588593909
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
12 Bayberry Ln
Hadley, MA 01035-9562
Phone: (413) 345-0974
Street-level locationGet directions
Mailing address
12 Bayberry Ln
Hadley, MA 01035-9562
Registry dates
- Enumerated
- 2026-05-14
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Robert Hollander's NPI number?
- Robert Hollander's National Provider Identifier (NPI) is 1588593909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Hollander's specialty?
- Robert Hollander is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Robert Hollander located?
- Robert Hollander's practice location on file with NPPES is 12 Bayberry Ln, Hadley, MA 01035-9562.
- What is Robert Hollander's phone number?
- The practice phone number listed in the NPPES registry for Robert Hollander is (413) 345-0974.
- Is Robert Hollander's NPI active?
- Yes — Robert Hollander's NPI (1588593909) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.