Antonio Santiago, MD, FACP – An Employed Provider of Memorial Healthcare

Antonio Santiago, MD, FACP

An Employed Provider of Memorial Healthcare
Doctor of Internal Medicine

About Dr. Antonio Santiago, MD, FACP

Dr. Santiago provides internal medicine services with Oscar Macal, MD, FACP and Jason Ardelean, FNP-C at Memorial Healthcare Internal Medicine – Owosso. Dr. Santiago is accepting new patients with most insurances.

View the Memorial Healthcare Internal Medicine (Owosso) website for additional information.

Memorial Healthcare Internal Medicine – Owosso is an employed physician practice of Memorial Medical Associates, a department of Memorial Healthcare.

Accepting new patients


Accepts children




Ponce School of Medicine



Akron General Medical Center



Internal Medicine


Board Certifications

Internal Medicine





300 Health Park Drive, Suite 302
Owosso, MI 48867

Phone: 989-723-5540 Fax: 989-720-2292

Get Directions

Reviews (41)

4.9 Stars Overall

4.9 out of 5 (266 Ratings, 41 Comments)

Feb 23, 2024

Dr. Santiago and his staff are excellent professional and I am fortunate to have them care for me.

Feb 23, 2024

Very happy with my doctor and his treatment

Feb 23, 2024

Professional, informative upbeat attitude genuine.

Feb 09, 2024

Doctor is very good at listening and explaining

Feb 07, 2024

Great experience.

Feb 02, 2024


Feb 02, 2024


Jan 31, 2024

Very good experience

Dec 22, 2023


Dec 13, 2023

I always recommend

Dec 08, 2023

Always a wonderful experience

Nov 22, 2023

Was a regular 6 month visit with doctor

Nov 15, 2023

Excellent experience

Oct 28, 2023

Dr Santiago is great.

Oct 16, 2023

Very good

Oct 14, 2023

He is an excellent medical provider

Oct 13, 2023

Very attentive doctor he listened and spent about an hour with me

Oct 12, 2023

I have been Dr. Santiago's patient for a decade and could not ask for a more professional, knowledgeable or competent physician. I now live more than an hour from his office and gladly make the trip to remain his patient.

Oct 06, 2023

Dr. Santiago was recommended to me and he definitely met my expectations. I felt at ease.

Sep 27, 2023

Dr. Santiago is very thorough, caring and compassionate.

Ratings Process

The Patient Rating score is based on responses given during the CAHPS Patient Experience Survey. Responses are measured on a 10-point scale, with 10 being the best score. These scores are then translated to a 5-point scale in order to display results in a 5-star rating. Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered slander, libel or contain private health information, which will be removed prior to publishing the comments.

Insurance Accepted

  • Aetna
  • BCBSM Blue Preferred Plus
  • BCBSM Medicare Plus Blue PPO
  • BCBSM Traditional, HAP
  • BCN Medicare Advantage
  • Blue Care Network
  • Blue Cross Blue Shield PPO/ Trust
  • Blue Cross Complete
  • Cigna
  • Cofinity
  • HAP Empowered Medicaid
  • Health Alliance Plan of MI
  • Humana Military
  • Humana PPO
  • McLaren Commercial
  • McLaren Medicaid
  • Medicaid
  • Medicare
  • Meridian Health Plan Medicaid
  • Molina Healthcare
  • MultiPlan
  • Palmetto GBA(Railroad Medicare)
  • PHCS
  • PHP Commerical
  • PHP Medicare
  • Physicians Health Plan Commercial
  • Priority Health
  • Sparrow Physicians Health Network
  • Tricare Standard
  • United Healthcare Commercial
  • United Healthcare Community Plan

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