Matthew Knapp, MSW/LCSW
NPI 1255635553 · Clinical Social Worker · Aromas, CA
Enrolled with Medicare as Order and Referring Only - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Knapp, MSW/LCSW is a Clinical Social Worker provider in Aromas, CA (NPI 1255635553).
Provider details
- NPI number
- 1255635553
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW/LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 66424 (CA)
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
15 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
- 2010-12-29
- Last updated
- 2015-05-25
Frequently asked questions
- What is Matthew Knapp's NPI number?
- Matthew Knapp's National Provider Identifier (NPI) is 1255635553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Knapp's specialty?
- Matthew Knapp is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Knapp located?
- Matthew Knapp's practice location on file with NPPES is 288 Blohm Ave, Aromas, CA 95004-9737.
- What is Matthew Knapp's phone number?
- The practice phone number listed in the NPPES registry for Matthew Knapp is (831) 291-6064.
- Does Matthew Knapp accept Medicare?
- Matthew Knapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Knapp's NPI active?
- Yes — Matthew Knapp's NPI (1255635553) is active in the NPPES registry as of the last update on 2015-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.