Day One
NPI 1164633038 · Clinical Social Worker · Providence, RI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Day One is a Clinical Social Worker organization in Providence, RI (NPI 1164633038).
Provider details
- NPI number
- 1164633038
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Kathleen Hoyos, Finance & Billing Specialist(401) 421-4100
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Community/Behavioral Health Agency251S00000X
Agencies
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
- 2007-05-24
- Last updated
- 2023-11-01
- Certified
- 2023-11-01
Frequently asked questions
- What is Day One's NPI number?
- Day One's National Provider Identifier (NPI) is 1164633038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Day One?
- Day One is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Day One located?
- Day One's practice location on file with NPPES is 100 Medway St, Providence, RI 02906-4402.
- What is Day One's phone number?
- The practice phone number listed in the NPPES registry for Day One is (401) 421-4100.
- Does Day One accept Medicare?
- Day One is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Day One?
- The authorized official listed on Day One's NPPES record is Kathleen Hoyos, Finance & Billing Specialist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Day One's NPI active?
- Yes — Day One's NPI (1164633038) is active in the NPPES registry as of the last update on 2023-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.