Summary

With 40 years in family medicine, Dr. William Martinez treats obesity, pediatric obesity, and type 2 diabetes mellitus and is affiliated with Advocate Condell Medical Center in Libertyville, Illinois. He completed his residency at Cook County Hospital and speaks English and Spanish. Patients on Vitals rate Dr. Martinez 3.67 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.7
  • 40 years of experience
  • speaks English, Spanish
  • Cook County Hospital
  • 3 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. William Alonso Martinez has 2 locations

Martinez William Office

1870 W Winchester Rd Ste 145Libertyville, IL 60048
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Advocate Condell Medical Center

801 S Milwaukee AveLibertyville, IL 60048

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Dr. William Alonso Martinez, MDDr. Parth BhavsarTatanisha Funches, FNPValerie Battisti, PA-C
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
0 
0 
0 
40 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Hindi, Gujarati, Urdu Speaks English Speaks English
Libertyville , ILLawrenceville , GAOak Park , ILAddison , IL
Med School: Universidad Autonoma De Guadalajara Facultad De Medicina Med School: Smt N H L Municipal Medical College
Current Profile
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Insurance Plans Accepted by Dr. William Alonso Martinez

  • Accepts Medicare

Medical Specialties

Dr. William Alonso Martinez has the following specialty

Specialty Expertise

Dr. William Alonso Martinez has the following 10 areas of expertise

  • Allergy
  • Asthma
  • Check-up
  • Contraception
  • Diabetes
  • Family Planning
  • Immunization
  • Influenza
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

40 Years Experience

Dr. William Alonso Martinez holds an expired medical license in the state of Illinois.

Medical License

Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.

Education & Training

Residency

Completed their residency at Cook County Hospital.

Medical School

Graduated from Universidad Autonoma De Guadalajara Facultad De Medicina in 1986.

NPI Number

Dr. Martinez's NPI number is 1144212382.

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Frequently Asked Questions

What languages does Dr. William Martinez speak?
Dr. William Martinez speaks English and Spanish.
Where is Dr. William Martinez's office located?
Dr. William Martinez's office is located at 1870 W Winchester Rd Ste 145, Libertyville, IL, 60048.
Does Dr. William Martinez accept my insurance?
You can see the insurance plans that Dr. William Martinez accepts on their Vitals profile.
Which hospitals is Dr. William Martinez affiliated with?
Dr. William Martinez is affiliated with Advocate Condell Medical Center.
Does Dr. William Martinez accept virtual/telehealth appointments?
Dr. William Martinez has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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