IndividualActive
Ryan Sliwak
NPI 1326887423 · Psychologist · Boston, MA
Ryan Sliwak is a Psychologist provider in Boston, MA (NPI 1326887423).
Provider details
- NPI number
- 1326887423
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(50/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
1 Constitution Plz
Boston, MA 02129-2025
Phone: (617) 724-5202
Street-level locationGet directions
Mailing address
344 Commonwealth Ave Apt 4f
Boston, MA 02115-2152
Registry dates
- Enumerated
- 2024-05-20
- Last updated
- 2024-09-16
- Certified
- 2024-09-16
Frequently asked questions
- What is Ryan Sliwak's NPI number?
- Ryan Sliwak's National Provider Identifier (NPI) is 1326887423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Sliwak's specialty?
- Ryan Sliwak is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ryan Sliwak located?
- Ryan Sliwak's practice location on file with NPPES is 1 Constitution Plz, Boston, MA 02129-2025.
- What is Ryan Sliwak's phone number?
- The practice phone number listed in the NPPES registry for Ryan Sliwak is (617) 724-5202.
- Is Ryan Sliwak's NPI active?
- Yes — Ryan Sliwak's NPI (1326887423) is active in the NPPES registry as of the last update on 2024-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.