Dr. Alan Marcus, MD

Endocrinology, Diabetes & Metabolism*MaleAge 75

Endocrinology, Diabetes & Metabolism*

Dr. Alan Marcus, MD is a diabetes & metabolism endocrinologist in Laguna Hills, CA and has over 45 years of experience in the medical field. He graduated from Universidad Autonoma De Guadalajara, Facultad De Medicina in 1979. He is affiliated with medical facilities MemorialCare Saddleback Medical Center and Providence Mission Hospital Mission Viejo. He is not accepting new patients.

Dr. Alan Marcus, MD

Practice

24422 Avenida de la Carlota Ste 375 Laguna Hills, CA 92653

Hospital Highlight

Dr. Marcus is affiliated with Providence Mission Hospital Mission Viejo Mission Viejo, a highly rated hospital.

At a Glance

  • Areas of Expertise
    Dr. Marcus specializes in the areas of Diabetes, Metabolism & Endocrinology & Internal Medicine. See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. See reviews
  • Practices at Top Hospital
    Critical Care Excellence Award™ See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. See hospitals
ADVERTISEMENT
healthgrades-rx

Our customers save an overage of $145 on prescriptions

Optum Perks and Healthgrades are subsidiaries of RVO Health.

Experience Check

Search for experience in a specific area

Insurance Check

Search for your insurance carrier and choose your plan type

Dr. Marcus' Reviews

Likelihood to recommend Dr. Marcus

4.5

49 ratings, 8 with a written review
5 Star
88%
88%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
12%
12%

Your trust is our top concern. Learn more.

We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.

All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.

Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.

Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.

RecentHighestLowestMost Helpful
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
Liz – Oct 01, 2023
×Post a ResponseAre you Dr. Alan Marcus, MD?
What went well
  • I felt respected
  • 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
May 27, 2023
×Post a ResponseAre you Dr. Alan Marcus, MD?
What went well
No results
What could be improved
No results
3 people found this helpful
Helpful
Margo C – Feb 17, 2022
×Post a ResponseAre you Dr. Alan Marcus, MD?
What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
1 person found this helpful
Helpful
Ladan W – Jan 25, 2022
×Post a ResponseAre you Dr. Alan Marcus, 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
2 people found this helpful
Helpful
Douglas Harrington – Jan 28, 2020
×Post a ResponseAre you Dr. Alan Marcus, 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
7 people found this helpful
Helpful
David C. Peterson in Yorba Linda, CA – Aug 16, 2017
×Post a ResponseAre you Dr. Alan Marcus, MD?
What went well
  • Wait times
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
10 people found this helpful
Helpful
Irvine, CA – May 27, 2017
×Post a ResponseAre you Dr. Alan Marcus, 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
15 people found this helpful
Helpful
Sarah L. in Irvine, CA – Apr 12, 2016
×Post a ResponseAre you Dr. Alan Marcus, MD?

Leave a review

How was your experience with Dr. Marcus?

Is this your profile?

Respond to reviews, add information, and reach more patients. Claiming is free and only takes a minute.

Claim your profile

About Me

biography

Dr. Alan Marcus, MD is a diabetes & metabolism endocrinologist in Laguna Hills, CA and has over 45 years of experience in the medical field. He graduated from Universidad Autonoma De Guadalajara, Facultad De Medicina in 1979. He is affiliated with...read more
  • Endocrinology, Diabetes & Metabolism

  • Internal 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.

  • Usc School Med/la Co

    Fellowship Hospital, 1985
  • St Josephs Hospital And Medical Center

    Residency Hospital, 1983
  • Cmdnj-rutgers

    Internship Hospital, 1980
  • Universidad Autonoma De Guadalajara, Facultad De Medicina

    Medical School, 1979
American Board of Medical Specialties®
American Board of Internal Medicine®
Diabetes, Metabolism & Endocrinology
Internal Medicine
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. Information last updated March 29, 2025. To learn more about the difference between these sources, please refer to our FAQs.
Board actions foundState licensing board
Within the last one to three years
More than three years ago

Locations

Practice

Be Well Endocrinology24422 Avenida de la Carlota Ste 375 Laguna Hills, CA 92653
1

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

    Critical Care Excellence Award™ (2025, 2023)

    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