Stephen Peter Diaz
Physical Therapy Assistant · Lake Bluff, IL
Stephen Peter Diaz is a physical therapy assistant with a practice address in Lake Bluff, Illinois, and NPI 1174238000, issued on Jan 16, 2023. Check the license (Illinois 160005414, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stephen Peter Diaz
- Primary taxonomy
- Physical Therapy Assistant 225200000X
- License number
- 160005414 IL
Self-reported in NPPES; status is on the state search - Practice location
- 29330 N Waukegan RD, Lake Bluff, IL 60044
- Phone
- (224) 202-6732
- Enumerated
- Jan 16, 2023
- Record last updated
- Jan 16, 2023
- Entity
- Type 1 · individual
8 nearest physical therapy assistant records → All 2,683 in Illinois → Look up another NPI →
Verify Stephen Peter Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 160005414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stephen Peter Diaz among 2,683 physical therapy assistant records in Illinois
Stephen Peter Diaz is one of 2,683 physical therapy assistant records with a practice address in Illinois. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2023, is newer than 84% of them.
- NPI issued2023 · 84% of these records are older, 11% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2023 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225200000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 physical therapy assistant records list a practice address in Lake Bluff
They are 4 of the 319 NPPES records with a practice address in Lake Bluff, and 2,683 physical therapy assistant records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,683 in Illinois → Every provider in Lake Bluff → Physical Therapy Assistant nationwide →
The 8 physical therapy assistant records with the nearest ZIP codes
- Miguel DavisLake Bluff, IL 600441013790070
- Nicole McGrath, PTALake Bluff, IL 600441043977762
- Jaclyn Stahl, PTALake Bluff, IL 600441467832089
- Andreea DraghiciLake Forest, IL 600451750961157
- Nighty Joseph, PTALake Forest, IL 600451659750826
- Kaitlin SidlerLake Forest, IL 600451730847344
- Samantha Vaal, DPT, PTA, RYT-200Lake Forest, IL 600451366142093
- Erin MoncelleLindenhurst, IL 600461992153779
Common questions
What is Stephen Peter Diaz's NPI number?
Stephen Peter Diaz's National Provider Identifier (NPI) is 1174238000, issued on Jan 16, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Peter Diaz located?
The NPPES record lists a practice address at 29330 N Waukegan RD, Lake Bluff, IL, 60044. Phone: (224) 202-6732. Providers update this record themselves, so call before visiting.
How can I verify Stephen Peter Diaz's license?
NPPES lists Illinois license number 160005414, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.