Katherine Mallais, M.S.W
NPI 1659530582 · Clinical Social Worker · Buffalo, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Mallais, M.S.W is a Clinical Social Worker provider in Buffalo, NY (NPI 1659530582).
Provider details
- NPI number
- 1659530582
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- M.S.W
- Sex
- Female
- Sole proprietor
- No
- License
- 080020 (NY)
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
18 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
- 2008-06-05
- Last updated
- 2024-09-25
- Certified
- 2024-09-25
Frequently asked questions
- What is Katherine Mallais's NPI number?
- Katherine Mallais's National Provider Identifier (NPI) is 1659530582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mallais's specialty?
- Katherine Mallais is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Mallais located?
- Katherine Mallais's practice location on file with NPPES is 1170 Main St Fl 4, Buffalo, NY 14209-2380.
- What is Katherine Mallais's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mallais is (716) 883-1914.
- Does Katherine Mallais accept Medicare?
- Katherine Mallais is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Mallais's NPI active?
- Yes — Katherine Mallais's NPI (1659530582) is active in the NPPES registry as of the last update on 2024-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.