npidata.org Sign in
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Illinois › 101YP2500X

Benjamin Ejzak

NPI 1093545642 · on the registry since 2024 · sole proprietor

Practice

Address
1127 N Oakley Blvd Fl 3
Chicago, IL 60622
Phone
(312) 770-2317
Organisation at this address
Saint Joseph Hospital
Quest Diagnostics Llc
Presence Behavioral Health
Resurrection Behavioral Health
Primecare Community Health Inc
Inferred from a shared address, not stated in the registry.
Clinicians at this address
111

Registry record

Primary taxonomy
101YP2500X
101YP2500X
Licence states on file
IL
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-09-28
Status
Not present in the most recent federal file

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Illinois