1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Family Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TIMOTHY TAN M.D
NPI 1851348783
Family Medicine in Chicago, IL

Active since May 27, 2006
4947 N WINTHROP AVE, CHICAGO, IL 60640(773) 989-9118 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Timothy Tan M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. TIMOTHY TAN M.D (NPI 1851348783) is an individual family medicine provider in Chicago, Illinois and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1851348783
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. TIMOTHY TANCredential: M.D
Location Address4947 N WINTHROP AVEChicago, IL 60640-3607
Mailing Address766 Camelot DrBurr Ridge, IL 60527-6250
Phone(773) 989-9118
Sole ProprietorNo
Enumeration DateMay 27, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1851348783 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4947 N WINTHROP AVE, Chicago, IL 60640
Open in Google Maps ↗

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YURO DIAGNOSTICS, INC
Respiratory Therapist, Certified (Pulmonary Diagnostics)
4947 N WINTHROP AVE
CHICAGO, IL 60640
Cook County (773) 987-8021
DR. JACK M PHAM DNP, APRNFPA, FNP-BC
Nurse Practitioner (Family)
4947 N WINTHROP AVE
CHICAGO, IL 60640
Cook County (773) 455-4325
DR. NINH XUAN TRAN MD
Family Medicine
4947 N WINTHROP AVE, ARGYLE WINTHROP MEDICAL CENTER
CHICAGO, IL 60640
Cook County (773) 935-9969
ALEXANDER SAGAL, MD, SC
Family Medicine
4947 N WINTHROP AVE
CHICAGO, IL 60640
Cook County (773) 989-9118

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy Tan's NPI number?

The NPI number for Timothy Tan is 1851348783. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Timothy Tan located?

Timothy Tan practices at 4947 N Winthrop Ave, Chicago, IL 60640. The listed phone number is (773) 989-9118.

What is Timothy Tan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Timothy Tan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.