Mayra Deniz
Mayra Deniz is a Developmental Therapist in Chicago, IL, registered under NPI 1003247529. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
Here is what surrounds this office in Chicago, based on OpenStreetMap data collected Sep 13, 2026. Parking is available about 0.24 mi away. There is EV charging 0.42 mi from the office (eVgo) — useful if you are driving in from out of town. The nearest transit stop is 0.27 mi away, served by 18th Street & Carpenter. A pharmacy sits 0.39 mi from the entrance (CVS Pharmacy), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.41 mi away.
Getting here and what is nearby
Parking 474 ft ~2 min
Parking 484 ft ~2 min
Transit Racine & 14th Street 0.24 mi ~5 min
Transit Racine & 14th Street 0.24 mi ~5 min
Parking 0.24 mi ~5 min
902 West 18th Street, Chicago 60608
Transit 18th Street & Carpenter 0.27 mi ~6 min
Coffee Woke Soul Coffee 0.28 mi ~6 min
1011 West 18th Street, Chicago 60608
Restaurant HaiSous Vietnamese Kitchen 0.28 mi ~6 min
Restaurant Don Pedro Carnitas 0.29 mi ~6 min
Restaurant Bobijoa 0.29 mi ~6 min
1140 West 18th Street, Chicago 60608
Convenience 7-Eleven 0.32 mi ~7 min
Coffee Starbucks 0.34 mi ~7 min
Pharmacy CVS Pharmacy 0.39 mi ~8 min
Coffee Kristoffer’s Cafe & Bakery 0.41 mi ~9 min
EV charging Blink 0.41 mi ~9 min
EV charging Blink 0.41 mi ~9 min
EV charging eVgo 0.42 mi ~9 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Developmental Therapist covers
A Developmental Therapist is a person qualified by completion of an approved program in Developmental Therapy and where applicable credentialed by the state and practicing within the scope of the credential, or credentialed by completion of education experiences as approved by the state and practicing within the scope of that credential or, where state credentialing does not exist, certified by the Board of the Developmental Therapy Association. A developmental therapist evaluates children's global development in order to identify areas of developmental delay whether arising from physiological, neurological, or environmental factors, or a combination of factors; and designs, implements, and modifies therapeutic interventions for the child and the family to promote the child's acquisition of skills in a variety of developmental areas, including cognitive processes and social interaction in order to maximize functional independence and developmental homeostasis, and improve the quality of life at home and in the community; and provides consultation for the parents and other professionals working with the family on global development. NUCC Health Care Provider Taxonomy, code 222Q00000X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003247529 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Dec 9, 2013 |
| Last updated | Dec 9, 2013 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Practice address |
1000 W 15TH ST UNIT 227 Chicago, IL 60608 (773) 206-7898 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 2 | 4 | 7 | 5 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 4 | 4 | 5 | 5 | 4 |
Sum = 51 · next multiple of 10 = 60 · check digit = 9 · actual last digit = 9
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.