Healthcare specialist

Dr. Hi Sim, MD

Internist

251 Lewis Lane
Suite 201
Havre De Grace, MD 21078

+2 more locations

Overall rating

Top reviews

We have been under Dr. Sim's care for over 20 years. He has truly taken excellent care of both my wife and me with such attention and warmth. Thanks to his sincere advice and thorough examinations, we have been able to trustShow more him completely for such a long time. He is the best doctor we could ever ask for. We look forward to continuing our care with him!

Young J • April 07, 2026

I love Dr Sim. He is very nice, and keeps me laughing. He is always telling me I need a boyfriend lol. Before he even inquires about my visit the first thing he ask is how's mom. He's her doctor also. I'm sad to heaShow morer he will be retiring in June. He is definitely gonna be missed

Sharon D • April 16, 2026

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Dr. Hi Sim, MD?


Locations (3)

Union Medical Clinic

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

501 S Union Avenue
Havre De Grace, MD, 21078

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
692 Reviews

Thank you Dr Sim πŸ™πŸ™πŸ™

Catherine T • June 25, 2026

I'm a longtime patient of Dr Sim and I wouldn't want any other doctor taking care of me.

Curtis J • June 22, 2026

Always efficient and caring !

Lisa M • June 17, 2026

Love Dr Sim. Will be so sorry to see him retire

Wayne N • June 16, 2026

Great visit with Dr.Sim, as always..Medical staff excellent and very helpful.. A+

Kathi S • June 15, 2026

Dr. Sim is the best.

Catherine S • June 13, 2026

It's always a pleasure to get great care from Dr.SimπŸŒΉπŸ™πŸΎ. I in good health

Pamela C • June 12, 2026

Dr. Sim is always polite, professional, and a pleasure to be around!

Ryan L • June 11, 2026

He cares about his people , & he explains everything , he is honest .

Lois Y • June 11, 2026

Outstanding service as usual.

Betty H • June 10, 2026

Dr. Sim is great! He listens. He pays attention. He will help you get/keep your heath on track. I’m glad I found him!

Gayle B • June 10, 2026

Hartford County Best Doctor !!

Se C • June 10, 2026

I have experienced very satisfactory care from Doctor Sim for many years he genuinely shows concern about your health and well being. He is so dedicated to his patients that he decided to be here for each and everyone of us even postponing his Retirement. Kudos to you Doctor Sim and thank you.

Anne G • June 09, 2026

Just love Dr Sim! He's caring, personable, patient and genuine.

Jean C • June 09, 2026

I love Dr Sim. He cares! And the level of care is unbeatable.

John R • June 05, 2026

Dr Sim is a very caring and compassionate Doctor and is a asset to our community.

Bruce K • June 04, 2026

Simply the best! Great to be known by your doctor!

Matthew L • June 04, 2026

Excellent Doctor, has been my Doctor for many years

Garrett L • June 04, 2026

He's been my doctor for over 36yrs

Guy K • June 03, 2026

Dr Sim has been my PCP for over 20 yrs. He provides excellent care.

Jane M • June 03, 2026

I love Dr Sim ! He has been my Doctor for years !! He has got a wonderful personality and genuinely cares about your health !! Glad he is not retiring yet !!

Belinda N • June 02, 2026

We researched my needs. I got what I needed done.

Hilda M • June 02, 2026

Dr. Sim is a dedicated and kind physician who thoroughly assesses his patients. I trust him explicitly and highly recommend him.

Madeline C • June 01, 2026

Dr Sim has always been knowledgeable and caring about his patients. I have been his patient for over 20 years and I trust him completely. I recommend him to friends and family.

Lonna S • May 30, 2026

Great Doctor and staff.

Kenneth B • May 28, 2026

Dr Sim is a down to earth doctor that cares.

Robert W • May 28, 2026

Dr Sim has been my doctor for over 35 yrs and has given me wonderful and caring service.

Linda W • May 28, 2026

Dr Sim has provided the best can plan for me and I am very grateful to be in his care.

Pamela C • May 27, 2026

Dr Sim is an excellent Doctor. My wife , his patient, trusts him for everything.

Myong T • May 24, 2026

Friendly staff. Dr. Sim was amazing as always. He’s been my Dr since I was about 13. My mom also sees him as well.

Windee B • May 21, 2026

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