Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mark Gregory Faber, DO

Individual provider Internal Medicine Physician · NPI 1285167080

Dr. Mark Gregory Faber, DO is a Hematology/Oncology in Gilbert, Arizona. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2017, 9 years ago. Practices with Banner Cancer Center Specialists LLC, a 338-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona and New York.

Years since qualifying
9
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
AZ, NY
In the registry since
2017
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2946 E Banner Gateway Dr
Gilbert, AZ 85234-2165
Phone: (480) 256-6444
Fax: (480) 256-3359
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 010372 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 296420 (NY)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 296420 (NY)

Record details

NPI number1285167080
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 7, 2017
Last updated in NPPESMarch 22, 2026
Certification dateMarch 22, 2026
Mailing address2946 E Banner Gateway Dr, Gilbert, AZ 85234-2165

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2017 (9 years in practice)
Group practice Banner Cancer Center Specialists Llc — 338 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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