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 › 207RA0001X

Mark Belkin, M.D

NPI 1023499498 · on the registry since 2015 · sole proprietor

Practice

Address
5841 S Maryland Ave Rm A700
Chicago, IL 60637
Phone
(773) 702-6840
Fax
(773) 702-2230
Organisation at this address
Lifenet, Inc.
Medcentrix Inc
Hillary Hecktman
University Of Chicago
University Of Chicago
Inferred from a shared address, not stated in the registry.
Clinicians at this address
2,773

Registry record

Primary taxonomy
207RA0001X
207RA0001X
Licence states on file
IL
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-06-09

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