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Dr. Lothar McMillian, MD

Dr. Lothar McMillian, MD

Family Medicine*
40+ years of experience

Dr. Lothar McMillian, MD is a family medicine physician in Rancho Cucamonga, CA and has over 40 years of experience in the medical field. He graduated from Ross University School of Medicine in 1984. He is affiliated with medical facilities MemorialCare Saddleback Medical Center and Providence Mission Hospital Mission Viejo. He is accepting new patients and telehealth appointments.

3 Star Rating
Based on 43 reviews 3 Star Rating (43 reviews)

Practice

7777 Milliken Ave Ste 240 Rancho Cucamonga, CA 91730
Telehealth available

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Dr. McMillian's Reviews

Likelihood to recommend Dr. McMillian

3.0

43 ratings, 9 with a written review
5 Star
44%
44%
4 Star
2%
2%
3 Star
5%
5%
2 Star
7%
7%
1 Star
42%
42%

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RecentHighestLowestMost Helpful
What went well
  • I felt respected
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Jul 16, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Amber Konoske – Mar 24, 2022
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What went well
No results
What could be improved
No results
1 person found this helpful
Helpful
Apr 03, 2019
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
J.Harper – Oct 10, 2017
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
RAYNOR in Palm Desert, CA – Sep 07, 2017
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
D.Glenn – Aug 18, 2017
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
E.B – Aug 03, 2017
×Post a ResponseAre you Dr. Lothar McMillian, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
John Van Doren – Jun 23, 2017
×Post a ResponseAre you Dr. Lothar McMillian, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
Upland, CA – Jun 10, 2017
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About Me

care philosophy

I am proud to be part of the Optum family of primary care doctors, specialists, and care teams focused on providing care for people ages 65+. At Optum, my team and I help you reach your personal health goals. We focus on your total well-being while...read more
  • Family Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Delaware County Memorial Hospital

    Residency Hospital, 1987
  • Delaware County Memorial Hospital

    Internship Hospital, 1985
  • Ross University School Of Medicine

    Medical School, 1984
American Board of Medical Specialties®
American Board of Family Medicine®
Family Practice
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
  • English

  • German

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Locations

Practice

Rancho Family Practice Associates7777 Milliken Ave Ste 240 Rancho Cucamonga, CA 91730
1

Practice

Dana Niguel Internal Medicine655 Camino de los Mares Ste 124 San Clemente, CA 92673
2

Practice

Ross Medical Associates San Juan32312 Camino Capistrano San Juan Capistrano, CA 92675
3

Affiliated Hospitals

  • Providence Mission Hospital Mission Viejo

    27700 Medical Center Rd
    Mission Viejo, CA 92691
    Recipient of 5
    hospital awards

    Patient Safety Excellence Award™ (2025)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    84%
    Patients said they were given information about recovering at home
    76%
    Patients said that nurses always listened to them and explained things well

    1% higher than the national average

    View all patient feedback
  • MemorialCare Saddleback Medical Center

    24451 Health Center Dr
    Laguna Hills, CA 92653
    Recipient of 25
    hospital awards

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    Patient Safety Excellence Award™ (2025, 2024)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    77%
    Patients said that doctors always listened to them and explained things well

    1% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality