IndividualActive
Marcos Silveira
NPI 1366126161 · Social Worker · Littleton, NH
Marcos Silveira is a Social Worker provider in Littleton, NH (NPI 1366126161).
Provider details
- NPI number
- 1366126161
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(52/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
29 Maple St
Littleton, NH 03561-4729
Phone: (603) 444-5358
Street-level locationGet directions
Mailing address
Po Box 599
Littleton, NH 03561-0599
Registry dates
- Enumerated
- 2023-06-12
- Last updated
- 2023-06-12
- Certified
- 2023-06-12
Frequently asked questions
- What is Marcos Silveira's NPI number?
- Marcos Silveira's National Provider Identifier (NPI) is 1366126161, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Silveira's specialty?
- Marcos Silveira is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Marcos Silveira located?
- Marcos Silveira's practice location on file with NPPES is 29 Maple St, Littleton, NH 03561-4729.
- What is Marcos Silveira's phone number?
- The practice phone number listed in the NPPES registry for Marcos Silveira is (603) 444-5358.
- Is Marcos Silveira's NPI active?
- Yes — Marcos Silveira's NPI (1366126161) is active in the NPPES registry as of the last update on 2023-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.