4.8
17 Ratings with 17 written Reviews
Summary
Dr. Patrick Paul Litonjua is an endocrinologist specializing in diabetes and metabolism who has dedicated 36 years to helping patients manage complex hormonal conditions. He earned his medical degree from the University of the Philippines Manila College of Medicine and is board-certified in internal medicine through the American Board of Internal Medicine. Dr. Litonjua speaks English and brings extensive experience to his practice in treating patients with various endocrine disorders.
Dr. Litonjua practices at Mercyhealth Hospital and Trauma Center in Janesville, Wisconsin. He focuses on caring for patients with diabetes, including both adult-onset diabetes and diabetes in children and teenagers. His approach includes comprehensive blood work and A1c testing to monitor blood sugar control over time. Patients have given him an average rating of 4.8 out of 5, reflecting their confidence in his expertise and care.
Dr. Litonjua practices at Mercyhealth Hospital and Trauma Center in Janesville, Wisconsin. He focuses on caring for patients with diabetes, including both adult-onset diabetes and diabetes in children and teenagers. His approach includes comprehensive blood work and A1c testing to monitor blood sugar control over time. Patients have given him an average rating of 4.8 out of 5, reflecting their confidence in his expertise and care.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 36 years of experience
- speaks English
- University of the Philippines Manila College of Medicine
- 17 written reviews
- 1 specialty
- 14 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Mercyhealth East
3524 E. Milwaukee St.Janesville, WI 53546 Tel: (608) 756-7100
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  | |  |
| Patrick Paul A. Litonjua, MD | Dr. Amrutha Mary George, MD | Dr. Nadiia Marenych | Aliya S. Naseer, MD |
| Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 36 Years of Experience | 17 Years of Experience | 15 Years of Experience | 38 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | Speaks English | |
| Janesville , WI | Rockford , IL | Lake Geneva , WI | Loves Park , IL |
| Med School: University of the Philippines Manila College of Medicine | Med School: Medical College Thiruvananthapuram | Med School: Kharkiv National Medical University | Med School: Karachi Medical and Dental College |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Patrick Paul A. Litonjua
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Patrick Paul A. Litonjua has the following specialty
Specialty Expertise
Patrick Paul A. Litonjua has the following 14 areas of expertise
Certifications, License, & Education
36 Years Experience
Patrick Paul A. Litonjua holds an expired medical license in the states of Wisconsin and Illinois. They are board certified in Internal medicine by the American Board of Internal Medicine.
Board Certifications
Board certified in Internal medicine by the American Board of Internal Medicine.
Medical License
Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025 and an expired medical license in the state of Illinois that expired in 2004.
Education & Training
Medical School
Graduated from University of the Philippines Manila College of Medicine in 1990.
NPI Number
Patrick Paul A. Litonjua's NPI number is 1831297308.
Similar doctors
Frequently Asked Questions
- Is Patrick Paul Litonjua accepting new patients?
- Patrick Paul Litonjua is accepting new patients on Vitals. View Patrick Paul Litonjua's profile on Vitals to make an appointment.
- Where is Patrick Paul Litonjua's office located?
- Patrick Paul Litonjua's office is located at 3524 E. Milwaukee St., Janesville, WI, 53546.
- What languages does Patrick Paul Litonjua speak?
- Patrick Paul Litonjua speaks English.
- Does Patrick Paul Litonjua accept virtual/telehealth appointments?
- Patrick Paul Litonjua has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Patrick Paul Litonjua accept my insurance?
- You can see the insurance plans that Patrick Paul Litonjua accepts on their Vitals profile.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
