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Katharine Williams, PHD
NPI 1306328687 · Clinical Psychologist · New York, NY
Katharine Williams, PHD is a Clinical Psychologist provider in New York, NY (NPI 1306328687).
Provider details
- NPI number
- 1306328687
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0226261 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
275 7th Ave Fl 12
New York, NY 10001
Phone: (212) 604-1701
Fax: (212) 604-1750
Street-level locationGet directions
Mailing address
275 7th Ave Fl 12
New York, NY 10001-6995
Registry dates
- Enumerated
- 2018-09-03
- Last updated
- 2019-05-20
Frequently asked questions
- What is Katharine Williams's NPI number?
- Katharine Williams's National Provider Identifier (NPI) is 1306328687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Williams's specialty?
- Katharine Williams is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Katharine Williams located?
- Katharine Williams's practice location on file with NPPES is 275 7th Ave Fl 12, New York, NY 10001.
- What is Katharine Williams's phone number?
- The practice phone number listed in the NPPES registry for Katharine Williams is (212) 604-1701.
- Is Katharine Williams's NPI active?
- Yes — Katharine Williams's NPI (1306328687) is active in the NPPES registry as of the last update on 2019-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.