Summary

Dr. Garrett Diltz is an internal medicine physician who specializes in oncology, focusing his practice on cancer care and treatment. He earned his medical degree from Ohio State University College of Medicine & Public Health and brings seven years of clinical experience to his patient care. His dual expertise in internal medicine and oncology allows him to provide comprehensive care for patients with complex medical conditions, particularly those facing cancer diagnoses.

Dr. Diltz practices at several respected medical centers, including Beth Israel Deaconess Medical Center, MedStar Georgetown University Hospital, and Holy Cross Germantown Hospital, with locations in Washington, DC, Boston, MA, and Germantown, MD. He treats patients with conditions such as iron deficiency anemia, colorectal cancer, and gastrointestinal cancers. His clinical work includes performing complete blood counts and general blood tests to help diagnose and monitor patient health.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 7 years of experience
  • 5 insurance plans accepted
  • Ohio State University College Of Medicine & Public Health
  • 2 specialties
  • 3 areas of expertise
  • 4 hospital affiliations
  • 5 office locations
  • Male

Office Locations

Dr. Garrett Patrick Diltz has 5 locations

Lombardi Comprehensive Cancer Center

3800 Reservoir Rd NwWashington, DC 20007
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Dr. Garrett Patrick Diltz

330 Brookline AveBoston, MA 02215

American Oncology Partners

19735 Germantown Rd Ste 255Germantown, MD 20874
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Holy Cross Germantown Hospital

19801 Observation DrGermantown, MD 20876

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Dr. Garrett Patrick Diltz
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Dr. Garrett Patrick DiltzDr. Mamatha Chella, MDDr. Carol Jagdeo, MDKaren Lizarraga, PA-C
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.4 
7 Years of Experience 45 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English, Spanish
Washington , DCBowie , MDWashington , DCGaithersburg , MD
Med School: Ohio State University College Of Medicine & Public Health Med School: Government Medical college Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: Shenandoah University
Current Profile
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Insurance Plans Accepted by Dr. Garrett Patrick Diltz

  • Accepts Medicare
  • AmeriHealth
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • UnitedHealthcare

Medical Specialties

Dr. Garrett Patrick Diltz has the following 2 specialties

Specialty Expertise

Dr. Garrett Patrick Diltz has the following 3 areas of expertise

  • Hematology/oncology
  • Medical Oncology
  • Oncology

Certifications, License, & Education

7 Years Experience

Dr. Garrett Patrick Diltz holds active and expired medical licenses in the states of Maryland and District Of Columbia.

Medical License

Medical Doctor with an active medical license in the state of Maryland that expires in 2026 and an expired medical license in the state of District Of Columbia that expired in 2026.

Education & Training

Medical School

Graduated from Ohio State University College Of Medicine & Public Health in 2019.

NPI Number

Dr. Diltz's NPI number is 1578120176.

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Frequently Asked Questions

Where is Dr. Garrett Diltz's office located?
Dr. Garrett Diltz's office is located at 3800 Reservoir Rd Nw, Washington, DC, 20007.
Is Dr. Garrett Diltz accepting new patients?
Dr. Garrett Diltz is accepting new patients on Vitals. View Dr. Garrett Diltz's profile on Vitals to make an appointment.
Does Dr. Garrett Diltz accept virtual/telehealth appointments?
Dr. Garrett Diltz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Garrett Diltz?
You can find contact information for Dr. Garrett Diltz here on Vitals.
Does Dr. Garrett Diltz accept my insurance?
You can see the insurance plans that Dr. Garrett Diltz accepts on their Vitals profile.

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