Dr. John Vassallo, MD

Dr. John Vassallo, MD

Internal Medicine  ·  
Dr. John Vassallo, MD is an internal medicine specialist in Howell, MI. He graduated from Ross University, School Of Medicine and specializes in internal medicine.

3399 E Grand River Ave Ste 204

Howell, MI 48843

Contact Information

(517) 540-0709

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • HAP Insurance
  • Humana
  • Priority Health

*Please verify this information when scheduling an appointment.

Learn about Dr. Vassallo

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Dr. Vassallo's Experience

Dr. Vassallo's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Internal Medicine
  • No sanctions found
  • No board actions found

1  Specialties

  • Internal Medicine

0  Board Certifications

Dr. Vassallo does not have any board certifications listed.

251  Conditions Treated


Read Less

25  Procedures

  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Advance Directive End of Life Planning
  • Anemia and Iron Deficiency Screening
  • Cardiovascular Stress Test
  • Care Coordination for Complex Conditions and Procedures
  • Cholesterol Screening
  • Diabetes Counseling
  • Diabetes Screening
  • Electrocardiogram (EKG)
  • Fecal Occult Blood Test for Colorectal Cancer
  • Gonorrhea Screening
  • Hepatitis Screening
  • HIV Screening
  • Immunization
  • Liver Function Test
  • Osteoporosis Screening
  • Pap Smear
  • Pregnancy Test
  • Prostate Cancer Screening
  • Pulmonary Function Test
  • Sexually Transmitted Infections Screening
  • Smoking Cessation Counseling
  • Thyroid Screening
  • Wellness Examination

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Michigan.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Ross University, School Of Medicine
    Medical School | Graduated
  • Oakwood Hospital
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors

Dr. Vassallo has no awards or honors listed.

Media & Publications

Dr. Vassallo has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Vassallo does not have any memberships or affiliations listed. If you are Dr. Vassallo and would like to add memberships or affiliations, please update your profile.

Dr. Vassallo's Reviews

Likelihood of recommending Dr. Vassallo to family and friends
40 total reviews (9 have comments)

Likelihood to Recommend (40)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Vassallo's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (9)

Dr. Vassallo is a wonderful physician and I would highly recommend him to anyone seeking someone who truly listens!
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I was forced to change Dr's after my health insurance changed earlier this year. I choose Dr. Vassalo based on how close it was to home and work. I went in for my yearly wellness check and was very happy with the entire staff. They even have an office dog!! I love that as dogs are great morale...more
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Has done more for me and my wife in 2 visits, than the doctor we left did in 6. Staff is friendly and on top of things. Caring and concerned for our health, made dr. Vassallo an excellent choice. Here you are somebody, not just another number. After our doctor retired we were sent to a local...more
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I am purely delighted with Dr Vassallo and his entire staff. His manner with my 85 y.o. mom was perfect. He is kind, very patient, and understands the needs and fears of older patients. We appreciated his calm relaxed demeanor. And most of all, he is a good listener who gets to the root of the...more
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Finally found DrVassallo 7 years ago after a few doctors that were just so so. Dr Vassallo has been good to deal with. He is concerned about not just my current issue, but my general overall health. Very thorough, caught my prostate cancer in it's early stage.
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