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Deactivated NPI 1760402580 Deactivated / Inactive NPI Male Practitioner

Dr. Sidney Feldman , MD

Internal Medicine • Chicago, IL

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Sidney Feldman has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 21, 2006
NPI Deactivation Date February 17, 2020
Total Practice Duration ~14 Years of Practice (2006 – 2020)

Professional Overview & Biography Verified Profile Summary

Dr. Sidney Feldman, MD was a registered Internal Medicine practicing in Chicago, IL. Throughout an active medical career spanning 14 years, Dr. Feldman provided care at the practice location at 3000 N HALSTED until profile deactivation on 2020-02-17.

Practice Location & Contact Primary Location

Practice Address

3000 N Halsted
Ste 606

Chicago, IL 60657

Telephone 7732963700
Fax 7732963695
Associated Practice Facility / Clinic
🏢 Lakeview Womens Health Sc Facility NPI 1780662585

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.8 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
2969 Specialists

Practicing in Chicago, IL (7544 Statewide)

Telehealth Adoption Rate
12.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 03636975

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
Dr. Sue Onispir-Kafali , MD

Obstetrics & Gynecology - Obstetrics

NPI 1255515201

Doctor of Medicine (M.D.)

NPI 1942392055

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated February 17, 2020

Record deactivated on February 17, 2020

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 3000 N HALSTED, STE 606, CHICAGO, IL 60657 (Tel: 7732963700)

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Updated Business Mailing Address July 08, 2007

Registered at 3000 N HALSTED, STE 606, CHICAGO, IL 60657 (Tel: 7732963700)

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Provider Name / Credentials Updated July 08, 2007

Recorded as SIDNEY FELDMAN, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #03636975 in IL)

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Initial NPI Registration & Enumeration July 21, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1760402580
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 21, 2006
Last Update: July 08, 2007
Deactivation Date: February 17, 2020

Mailing Address

3000 N Halsted, Ste 606

Chicago, IL 60657

Phone: 7732963700

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.