John Gietzen, M.D.

Internal Medicine

John Gietzen is an Internal Medicine specialist based in Detroit, MI with over 10 years of clinical experience. Offers virtual telehealth visits.

(313) 916-2600Detroit, MI
Telehealth Available
NPI Active per CMS — Q2 2026

Patients across MI can see John Gietzen, M.D. in person in Detroit or via virtual visit — no travel required. Trained at Wayne State University School of Medicine (class of 2016), he has been practicing for over 10 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.

1 of 920 Internal Medicine providers in MISee all Internal Medicine in Detroit10+ years experienceNPI since 2016

Older · 2328dNPPES updated 2020-01-07 · verify NPI on CMS · Verify license at Michigan Board of Medicine

Contact & Location

Practice Location

2799 W Grand Blvd, Detroit, MI 48202-2608

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
74%

Elevated cholesterol or triglycerides that increase heart disease risk

Arthritis
58%

Joint inflammation causing pain, swelling, and stiffness

Diabetes
53%

A condition where the body cannot properly regulate blood sugar levels

Mood Disorders
50%

Conditions affecting emotional state, including depression and bipolar disorder

Chronic Kidney Disease
47%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Ischemic Heart Disease
47%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Heart Failure
44%

The heart cannot pump blood efficiently enough to meet the body's needs

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2016

    Wayne State University School of Medicine

  2. Board certified · Jan 6, 2020

    Self-reported via NPPES

  3. 10 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Education & Training

Wayne State University School of Medicine (Class of 2016)

Virtual Internal Medicine Care With John Gietzen

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with John Gietzen for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Detroit required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about John Gietzen

Dr. Gietzen is listed as active in the NPI registry with telehealth listed in Detroit, MI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (313) 916-2600.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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