Matthew Baker
NPI 1598627911 · Addiction (Substance Use Disorder) Registered Nurse · Indianapolis, IN
Matthew Baker is a Addiction (Substance Use Disorder) Registered Nurse provider in Indianapolis, IN (NPI 1598627911).
Provider details
- NPI number
- 1598627911
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 28244116A (IN)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-11-25
- Last updated
- 2025-11-25
- Certified
- 2025-11-25
Frequently asked questions
- What is Matthew Baker's NPI number?
- Matthew Baker's National Provider Identifier (NPI) is 1598627911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Baker's specialty?
- Matthew Baker is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Matthew Baker located?
- Matthew Baker's practice location on file with NPPES is 1338 N Lasalle St, Indianapolis, IN 46201-1416.
- What is Matthew Baker's phone number?
- The practice phone number listed in the NPPES registry for Matthew Baker is (317) 987-8212.
- Is Matthew Baker's NPI active?
- Yes — Matthew Baker's NPI (1598627911) is active in the NPPES registry as of the last update on 2025-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.