Summary

Dr. Seneca Dewar specializes in internal medicine, bringing more than five decades of medical experience to his practice. He earned his medical degree from the University of Colombo Faculty of Medicine and completed his residency training at Veterans Administration Hospital. With 56 years in medicine, Dr. Dewar has developed extensive expertise in caring for adult patients with complex medical conditions. He is fluent in both English and Spanish.

Dr. Dewar is affiliated with Ballard Rehabilitation Hospital and practices at multiple Dignity Health Medical Group locations throughout Southern California, including Highland, San Bernardino, and Fontana. He focuses on treating serious infections like sepsis in both adult and pediatric patients. His long career has given him particular experience managing these life-threatening conditions that require immediate and specialized care. Patients rate Dr. Dewar 2.3 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.3
  • 56 years of experience
  • 19 insurance plans accepted
  • speaks English, Spanish
  • Veterans Administration Hospital
  • 3 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 hospital affiliation
  • 5 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Seneca T Dewar has 5 locations

Dignity Health Medical Group

4240 Highland Ave Ste BHighland, CA 92346
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

Dewar Medical Group

399 E Highland Ave Ste 124San Bernardino, CA 92404
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri1:00 pm - 3:00 pm
SatClosed
SunClosed

Dignity Health Medical Group

401 E Highland Ave Ste 450ASan Bernardino, CA 92404
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

Dignity Health Medical Group

17051 Sierra Lakes Pkwy Ste 101Fontana, CA 92336
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

Mercy Imaging Center Rancho Cordova

3400 Data DrRancho Cordova, CA 95670
Mon8:00 am - 5:30 pm
Tue8:00 am - 5:30 pm
Wed8:00 am - 5:30 pm
Thu8:00 am - 5:30 pm
Fri8:00 am - 5:30 pm
Sat9:00 am - 12:00 pm
SunClosed

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Dr. Seneca T Dewar, MDEric HarkerDr. Alaa Hajal, MDKarthikeyan Viswanathan, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.3 
56 Years of Experience 25 Years of Experience 15 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 Speaks English, Tamil
Highland , CALyons , CODiamond Bar , CAPalo Alto , CA
Med School: University Of Colombo Faculty Of Medicine Med School: Duke University School Of Medicine Med School: University Of Damascus Faculty Of Medicine Med School: Bassett Medical Center - Cooperstown, New York
Current Profile
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Insurance Plans Accepted by Dr. Seneca T Dewar

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • Health Net
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Mercy Care
  • Molina Healthcare - Medicaid (Managed)
  • Travelers
  • Travelers - Medicare
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Seneca T Dewar has the following specialty

Specialty Expertise

Dr. Seneca T Dewar has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

56 Years Experience

Education & Training

Residency

Completed their residency at Veterans Administration Hospital.

Medical School

Graduated from University Of Colombo Faculty Of Medicine in 1971 and University Of Miami Leonard M Miller School Of Medicine in 1970.

NPI Number

Dr. Dewar's NPI number is 1275608374.

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Frequently Asked Questions

How can I make an appointment with Dr. Seneca Dewar?
You can find contact information for Dr. Seneca Dewar here on Vitals.
What languages does Dr. Seneca Dewar speak?
Dr. Seneca Dewar speaks English and Spanish.
Is Dr. Seneca Dewar accepting new patients?
Dr. Seneca Dewar is accepting new patients on Vitals. View Dr. Seneca Dewar's profile on Vitals to make an appointment.
Does Dr. Seneca Dewar accept virtual/telehealth appointments?
Dr. Seneca Dewar has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Seneca Dewar accept my insurance?
You can see the insurance plans that Dr. Seneca Dewar accepts on their Vitals profile.

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