Stephen Diaz
NPI 1174238000 · Physical Therapy Assistant · Lake Bluff, IL
Stephen Diaz is a Physical Therapy Assistant provider in Lake Bluff, IL (NPI 1174238000).
Provider details
- NPI number
- 1174238000
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 160005414 (IL)
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
3 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
- 2023-01-16
- Last updated
- 2023-01-16
- Certified
- 2023-01-15
Frequently asked questions
- What is Stephen Diaz's NPI number?
- Stephen Diaz's National Provider Identifier (NPI) is 1174238000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Diaz's specialty?
- Stephen Diaz is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Stephen Diaz located?
- Stephen Diaz's practice location on file with NPPES is 29330 N Waukegan Rd, Lake Bluff, IL 60044-5422.
- What is Stephen Diaz's phone number?
- The practice phone number listed in the NPPES registry for Stephen Diaz is (224) 202-6732.
- Is Stephen Diaz's NPI active?
- Yes — Stephen Diaz's NPI (1174238000) is active in the NPPES registry as of the last update on 2023-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.