IndividualActive
Hilary Ziven, PSY.D.
NPI 1790274223 · Psychologist · Medfield, MA
Hilary Ziven, PSY.D. is a Psychologist provider in Medfield, MA (NPI 1790274223).
Provider details
- NPI number
- 1790274223
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4882 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
11 Elm St
Medfield, MA 02052-2802
Phone: (508) 359-4873
Street-level locationGet directions
Mailing address
Po Box 752
Medfield, MA 02052-0752
Registry dates
- Enumerated
- 2018-05-10
- Last updated
- 2018-05-10
Frequently asked questions
- What is Hilary Ziven's NPI number?
- Hilary Ziven's National Provider Identifier (NPI) is 1790274223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hilary Ziven's specialty?
- Hilary Ziven is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Hilary Ziven located?
- Hilary Ziven's practice location on file with NPPES is 11 Elm St, Medfield, MA 02052-2802.
- What is Hilary Ziven's phone number?
- The practice phone number listed in the NPPES registry for Hilary Ziven is (508) 359-4873.
- Is Hilary Ziven's NPI active?
- Yes — Hilary Ziven's NPI (1790274223) is active in the NPPES registry as of the last update on 2018-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.