Cardiologists near you

Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Chicago, IL
  4. Dallas, TX
  5. Denver, CO
  6. Detroit, MI
  7. Houston, TX
  8. Los Angeles, CA
  9. Miami, FL
  10. New York, NY
  11. Orlando, FL
  12. Philadelphia, PA
  13. Phoenix, AZ
  14. Riverside, CA
  15. San Antonio, TX
  16. San Diego, CA
  17. San Francisco, CA
  18. Seattle, WA
  19. St. Louis, MO
  20. Tampa, FL
  21. Washington, DC

Chiropractors near you

Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Dentists near you

Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Dermatologists near you

Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Family Physicians near you

Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

OB-GYNs near you

OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. Seattle, WA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Ophthalmologists near you

Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Charlotte, NC
  4. Chicago, IL
  5. Dallas, TX
  6. Denver, CO
  7. Detroit, MI
  8. Houston, TX
  9. Los Angeles, CA
  10. Miami, FL
  11. Minneapolis, MN
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Diego, CA
  18. San Francisco, CA
  19. St. Louis, MO
  20. Tampa, FL
  21. Washington, DC

Orthopedic Surgeons near you

Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. Seattle, WA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Pediatricians near you

Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Physical Therapists near you

Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Podiatrists near you

Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. Seattle, WA
  21. St. Louis, MO
  22. Tampa, FL
  23. Washington, DC

Psychiatrists near you

Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC
Healthcare specialist

Dr. Hi Sim, MD

Internist

251 Lewis Lane
Suite 201
Havre De Grace, MD 21078

+2 more locations

Overall rating

Top reviews

I have been a patient of Dr Sim for about 20 years. He is a caring and knowledgeable physician and is always kind and understanding, no wonder what the circumstances. I always recommend him to anyone who asks which MD is the besShow moret in Havre de Grace. Dr Sim is by far the best.

Lonna S • February 02, 2026

Every time we visit Dr. Sim's hospital, the staff and nurses are always kind. Dr. Sim always examines us thoroughly, provides accurate diagnoses, is kind, sweet, and truly wonderful! We sincerely hope that Dr. Sim will always Show morebe healthy and stay in the hospital for a long time. Thank you.

Yun C • December 09, 2025

Read more reviews
calendar icon

Online appointment booking not available at this location.

See 2 more locations

Got questions for
Dr. Hi Sim, MD?


Locations (3)

Union Medical Clinic

251 Lewis Lane
Suite 201
Havre De Grace, MD, 21078

Union Medical Clinic

501 S Union Avenue
Havre De Grace, MD, 21078

Union Medical Clinic

1881 Telegraph Road
Rising Sun, MD, 21911


More About Dr. Hi Sim, MD

Practice

Union Medical Clinic

Specialties

NPI Number

1659320505

Provider's Gender

Male


Background and Education

Years practicing

30.0 years


Reviews

4.97
591 Reviews

Dr. Sim is a wonderful doctor. He listens to his patients and gives them good medical advice. He has a good bedside manner. I believe he goes by the saying laughter is the best medicine.

Mary C • February 04, 2026

Very helpful!!

Mildred D • February 03, 2026

Dr. Sim really listens and he genuinely cares about us not just as patients, but as people. Mark and I feel very fortunate to have found such an outstanding physician to help us navigate the ups and downs of getting older. 🥰

Louanne C • February 02, 2026

I have been a patient of Dr Sim for about 20 years. He is a caring and knowledgeable physician and is always kind and understanding, no wonder what the circumstances. I always recommend him to anyone who asks which MD is the best in Havre de Grace. Dr Sim is by far the best.

Lonna S • February 02, 2026

Great doctor, really cares about patients

George E • January 28, 2026

Everyone is so nice and caring in the office and Dr. Sim is the best, so caring and concerned about whatever you have going on, he listens and takes his time with you, just a great Doctor.

Barbara R • January 23, 2026

I am very pleased with Dr. Sims, He is a wonderful caring dr.

Catherine B • January 23, 2026

Dr. Sim is and always has been a wonderful, caring and supportive doctor. My appointment yesterday 1/21/26 was handled with care and compassion.

Christine L • January 22, 2026

The staff is always Friendly and helpful. All of the drs I’ve seen have been great.

Charles T • January 21, 2026

Excellent care from check in, to nurses, to Dr Sim who is always caring, knowledgeable, and very interested in making me feel better.

Lawrence W • January 20, 2026

Dr.Sim is a great doctor and I recommend him for all patients

Kyong A • January 20, 2026

Dr. Sim is great Doctor and he knows how to treat his patients, a wonderful doctor, I recommend him 100%

Yong A • January 20, 2026

I've been a patient here for 15+ years. I've never been kept waiting and appointments have been very convenient. The medical staff takes time to listen to your concerns.

Pauletta N • January 19, 2026

Dr. Sim is excelent, very smart and caring. He has helped my husband, my mother and I with our Health issues for more than 15 years. His medical recommendations are always benefitial.

Hilda G • January 14, 2026

Dr. Sim is awesome, he is always very caring, he listens to everything you need to talk about. He does everything to find the answers to meet the situation. He makes you feel good and cared about at your visit.

Barbara R • January 12, 2026

Has been a great doctor. Going to miss him.

Wayne N • January 12, 2026

Left Better than when I Went, Got in and out in a tia timely manner, very patient, and kind, and very knowledgeable.

Betty S • January 09, 2026

He is always caring and listens to his patient and their concerns.

Sabrina R • January 08, 2026

I am always taken care of very well at Dr.Sims office, and the medical staff are professionals and helpful to patients.

Kathi S • January 08, 2026

Been my dr for 12-14 yrs great dr. Fine individual highly recommended

Rodney B • January 08, 2026

All staff is so very caring and compassionate

Rose C • January 08, 2026

Wonderful care. Lovely doctor, concerned about you as a patient.

Gail B • January 05, 2026

Didn’t have to wait very long to see doctor. Assistant was very friendly and helpful. Dr Sim is always pleasant and cares about the patient. He has a great sense of humor. No complaints.

Joseph W • December 23, 2025

Very personable always has time to sit a look you in the eye and go over your findings an answer any questions you have. He is number 1 in my book.

Rickey K • December 18, 2025

Been with Dr Sim for 20+ years. That should say it all. ❤️❤️

Janice B • December 18, 2025

Dr Sim is the best Genuinely cares about your health concerns. Will be sad when he retires .

Sherri B • December 17, 2025

Been a patient of Dr. Sim’s for 25 years,he is very caring and compassionate person.

Carrie D • December 17, 2025

Dr. Sim is wonderful he is caring and has a good bedside manner. I think he believes that laughter is the best medicine.

Mary C • December 15, 2025

Great doctor a staff

Russell G • December 11, 2025

He care about his patient

Catherine T • December 11, 2025

View more reviews

Are you Dr. Hi Sim, MD?

Manage your profile to get more exposure and incoming appointments.