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 › 103TH0004X

Katherine Billingham, PH.D

NPI 1447474473 · on the registry since 2007 · sole proprietor

Practice

Address
625 N Michigan Ave
Suite 1750
Chicago, IL 60611
Phone
(312) 822-0705
Organisation at this address
Prm Of Illinois
Acdi Chicago Llc
Mary H. Case, Ph.D. P.C.
Neera Mehta, Ph.D., P.C.
Dr. Conron And Associates
Inferred from a shared address, not stated in the registry.
Clinicians at this address
55

Registry record

Primary taxonomy
103TH0004X
103TH0004X
Also registered as
103TB0200X
103T00000X
103TC0700X
106H00000X
Licence states on file
IL
From the registry's licence fields, which are often incomplete.
Sex
Female
Record last updated
2025-09-11

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