Dr. Joshua Warren , MD
General Practice β’ Chicago, IL
155 N Harbor Dr Apt 2407
Chicago, IL 606015007
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
155 N Harbor Dr Apt 2407
Chicago, IL 606015007
What Public CMS Data Show
General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2016
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Chicago and Illinois
98 active clinicians are listed under General Practice with a practice address in Chicago, IL (291 in Illinois).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Chicago
3.1% of these 98 clinicians have the CMS telehealth indicator.
12.2% of these 98 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2026-05-12NUCC Taxonomy Code: 208D00000X
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 155 N HARBOR DR APT 2407, CHICAGO, IL 606015007 (Tel: 4145262346)
Registered at 155 N HARBOR DR APT 2407, CHICAGO, IL 606015007
General Practice (license number reported to NPPES: NY 296005)
Registered at 1842 COMMONWEALTH AVE, BRIGHTON, MA 021355516 (Tel: 4145262346)
Registered at 1842 COMMONWEALTH AVE, BRIGHTON, MA 021355516
Registered at 2900 W OKLAHOMA AVE, MILWAUKEE, WI 53215 (Tel: 4146493323)
Ophthalmology (license number reported to NPPES: WI 69061)
NPI status registered as active in NPPES database
Registered at 2900 W OKLAHOMA AVE, MILWAUKEE, WI 532154330 (Tel: 4146493323)
Registered at 2900 W OKLAHOMA AVE, MILWAUKEE, WI 532154330 (Tel: 4146493323)
Recorded as JOSHUA WARREN, M.D.
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other General Practices in Chicago
- Dr. William Wan, MD
- Dr. Queen Aghaji, MD
- Dr. John Wu, MD
- Dr. Tunji Ladipo, MD
- Dr. Stephanie Socias, MD
- Dr. Renee Hartz, MD
Mailing Address
155 N Harbor Dr Apt 2407
Chicago, IL 606015007