Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1003831751 Deactivated / Inactive NPI Male Practitioner

Dr. William Appelbaum , 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. William Appelbaum has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 13, 2006
NPI Deactivation Date April 26, 2022
Total Practice Duration ~16 Years of Practice (2006 – 2022)

Professional Overview & Biography Verified Profile Summary

Dr. William Appelbaum, MD was a registered Internal Medicine practicing in Chicago, IL. Throughout an active medical career spanning 16 years, Dr. Appelbaum provided care at the practice location at 2740 W FOSTER AVE until profile deactivation on 2022-04-26.

Practice Location & Contact Primary Location

Practice Address

2740 W Foster Ave
Suite 101

Chicago, IL 606253500

Telephone 7733343431
Fax 7737691336
Associated Practice Facility / Clinic
🏢 Ashwin M Shah, Md, Sc Facility NPI 1114926573

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

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

1 Associated Practitioners
NPI 1598781775

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 April 26, 2022

Record deactivated on April 26, 2022

NPI Profile Active July 27, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 27, 2007

Registered at 2740 W FOSTER AVE, SUITE 101, CHICAGO, IL 606253500 (Tel: 7733343431)

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Updated Business Mailing Address July 27, 2007

Registered at 2740 W FOSTER AVE, SUITE 101, CHICAGO, IL 606253500 (Tel: 7733343431)

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Provider Name / Credentials Updated July 27, 2007

Recorded as WILLIAM APPELBAUM, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 27, 2007

Internal Medicine

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Initial NPI Registration & Enumeration July 13, 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: 1003831751
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 13, 2006
Last Update: July 27, 2007
Deactivation Date: April 26, 2022

Mailing Address

2740 W Foster Ave, Suite 101

Chicago, IL 606253500

Phone: 7733343431

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.