Katherine Ryan, MS
NPI 1902267560 · Mental Health Counselor · Old Greenwich, CT
Katherine Ryan, MS is a Mental Health Counselor provider in Old Greenwich, CT (NPI 1902267560).
Provider details
- NPI number
- 1902267560
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MS
- 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
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
- 2016-03-10
- Last updated
- 2016-03-10
Frequently asked questions
- What is Katherine Ryan's NPI number?
- Katherine Ryan's National Provider Identifier (NPI) is 1902267560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Ryan's specialty?
- Katherine Ryan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Katherine Ryan located?
- Katherine Ryan's practice location on file with NPPES is 1445 E Putnam Ave, Old Greenwich, CT 06870-1379.
- What is Katherine Ryan's phone number?
- The practice phone number listed in the NPPES registry for Katherine Ryan is (203) 834-5020.
- Is Katherine Ryan's NPI active?
- Yes — Katherine Ryan's NPI (1902267560) is active in the NPPES registry as of the last update on 2016-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.