Mark Gregory Faber, DO
NPI 1285167080ActiveIndividual· Internal Medicine, Hematology & Oncology· Gilbert, AZ
Internal Medicine, Hematology & Oncology (DO) in Gilbert, Arizona, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $1,390,862 for 312 claims, against $25,584 paid for services in 2024. Rigel Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $337.30 in all, mostly food and beverage.
Overview
| NPI | 1285167080 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 7, 2017 |
| Last updated in NPPES | Mar 22, 2026 |
| Certified by provider | Mar 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 010372 | AZ |
| Internal Medicine | 207R00000X | 296420 | NY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 296420 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 118 |
|---|---|
| Services billed | 356 across 18 procedure codes |
| Paid by Medicare | $25,584 |
Part D prescriptions in 2024
| Prescriptions (claims) | 312 · 475 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $1,390,862 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Banner Cancer Center Specialists LLCGilbert, AZ · 344 clinicians
Hospital affiliations
- Banner Gateway Medical CenterGilbert, AZ
- Banner Thunderbird Medical CenterGlendale, AZ
Industry payments (Open Payments)
- 2025$337.30 · 4 payments from 2 companies
- 2024$2,156 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rigel Pharmaceuticals, Inc. | $217.84 | 3 |
| Sobi, Inc | $119.46 | 1 |
What the 2025 payments were for
- Food and Beverage$337.30 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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