Matthew Greenwald, ATC
NPI 1831631894 · Athletic Trainer · Sacramento, CA
Matthew Greenwald, ATC is a Athletic Trainer provider in Sacramento, CA (NPI 1831631894).
Provider details
- NPI number
- 1831631894
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
Mailing address
Registry dates
- Enumerated
- 2016-11-08
- Last updated
- 2016-11-08
Frequently asked questions
- What is Matthew Greenwald's NPI number?
- Matthew Greenwald's National Provider Identifier (NPI) is 1831631894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Greenwald's specialty?
- Matthew Greenwald is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Matthew Greenwald located?
- Matthew Greenwald's practice location on file with NPPES is 6000 J St, Sacramento, CA 95819-6099.
- What is Matthew Greenwald's phone number?
- The practice phone number listed in the NPPES registry for Matthew Greenwald is (916) 278-6150.
- Is Matthew Greenwald's NPI active?
- Yes — Matthew Greenwald's NPI (1831631894) is active in the NPPES registry as of the last update on 2016-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.