Summary

Dr. Ronald Olah treats hypertension and hypertensive emergency and has practiced internal medicine for 41 years. He is affiliated with Huntington Memorial Hospital and sees patients in Pasadena, California.

Board-certified in internal medicine by the American Board of Internal Medicine, Dr. Olah completed his residency at Huntington Memorial Hospital and earned his medical degree from the Keck School of Medicine of the University of Southern California. Patients on Vitals rate Dr. Olah 4.33 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 41 years of experience
  • 38 insurance plans accepted
  • speaks English
  • Huntington Hospital
  • 3 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

Huntington Health Primary Care Pasadena (Congress St.)

10 Congress St Ste 208Pasadena, CA 91105
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

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Ronald OlahDr. Suma Oommen, MDDr. Norman Chien, MDEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
4.5 
3.5 
4 
41 Years of Experience 34 Years of Experience 35 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English, Spanish, Hindi, Marathi, Malayalam, Tamil Speaks English Speaks English
Pasadena , CALake Forest , CAPasadena , CALyons , CO
Med School: Keck School of Medicine of the University of Southern California Med School: Christian Medical College Med School: National Taiwan University College of Medicine Med School: Duke University School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Ronald Olah

  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - PPO
  • Ambetter
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Arizona
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • BLUE CROSS of CALIFORNIA - PPO
  • Blue Shield of California
  • Cigna
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • HealthPartners
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Magellan Health
  • McLaren Health Plan
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Optum Health
  • SCAN Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - PPO
  • UnitedHealthcare Oxford
  • University of Arizona Health Plans
  • Wellcare
  • Wellcare - Medicare (Advantage HMO)

Medical Specialties

Ronald Olah has the following specialty

Specialty Expertise

Ronald Olah has the following 6 areas of expertise

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

Certifications, License, & Education

41 Years Experience

Ronald Olah holds an expired medical license in the state of California. 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 California that expired in 2026.

Education & Training

Residency

Completed their residency at Huntington Hospital, Huntington Mem Hosp, Internal Medicine, and Huntington Memorial Hospital Program.

Medical School

Graduated from Keck School of Medicine of the University of Southern California in 1985 and University of Southern Ca Sch of Med, Los Angeles Ca in 1985.

NPI Number

Ronald Olah's NPI number is 1881668341.

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Frequently Asked Questions

Is Ronald Olah accepting new patients?
Ronald Olah is accepting new patients on Vitals. View Ronald Olah's profile on Vitals to make an appointment.
How can I make an appointment with Ronald Olah?
You can find contact information for Ronald Olah here on Vitals.
Does Ronald Olah accept my insurance?
You can see the insurance plans that Ronald Olah accepts on their Vitals profile.
Which hospitals is Ronald Olah affiliated with?
Ronald Olah is affiliated with Huntington Memorial Hospital.
Does Ronald Olah accept virtual/telehealth appointments?
Ronald Olah 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
  • Board certification bodies (such as ABMS)
  • Healthcare system and provider network data

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