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DR. MARK GREGORY FABER DO
NPI 1285167080
Internal Medicine - Hematology & Oncology in Gilbert, AZ

Active since April 07, 2017PECOS EnrolledAccepts Medicare Assignment
81.49/100
CMS Quality Rating
2946 E BANNER GATEWAY DR, GILBERT, AZ 85234(480) 256-6444(480) 256-3359 Get Directions Write a Review

NPPES record last updated: March 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 22, 2026, Aug 7, 2023, Apr 30, 2021 and 1 more (4 updates tracked since 2021).

About Dr. Mark Gregory Faber Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK GREGORY FABER DO (NPI 1285167080) is an individual hematology & oncology provider in Gilbert, Arizona, licensed in Arizona (010372) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2017).

NPPES Registry Identity

NPI1285167080
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. MARK GREGORY FABERCredential: DO
Location Address2946 E BANNER GATEWAY DRGilbert, AZ 85234-2165
Mailing Address2946 E Banner Gateway DrGilbert, AZ 85234-2165 · (480) 256-3447 · Fax (480) 256-5032
Phone(480) 256-6444
Fax(480) 256-3359
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2017
Enumeration DateApril 7, 2017
Last NPPES UpdateMarch 22, 20264 updates tracked since enumeration
NPPES CertifiedMarch 22, 2026
✔ NPI 1285167080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in AZ · 010372✔ Licensed in NY · 296420
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 296420 (NY)
2946 E BANNER GATEWAY DR, Gilbert, AZ 85234
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Gregory Faber Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587901871
PECOS Enrollment IDI20230817003045
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
100 services44 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
83 services36 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
66 services34 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
23 services23 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85234 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.49/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40
Cost38.3

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SOYOUNG PARK MD
Internal Medicine (Hematology & Oncology)
2946 E BANNER GATEWAY DR
GILBERT, AZ 85234
Maricopa County (480) 256-6444
DR. AKSHAAR BRAHMBHATT MD
Radiology (Vascular & Interventional Radiology)
2946 E BANNER GATEWAY DR
GILBERT, AZ 85234
Maricopa County (480) 256-6444
THERESA ONG LIU DUMLAO MD
Internal Medicine (Hematology & Oncology)
2946 E BANNER GATEWAY DR, SUITE 450
GILBERT, AZ 85234
Maricopa County (480) 256-6444
DR. ZACHARY PHILLIP YEUNG MD
Internal Medicine (Medical Oncology)
2946 E BANNER GATEWAY DR
GILBERT, AZ 85234
Maricopa County (480) 245-6444
MICHAEL J POGGE AGACNP-BC
Nurse Practitioner (Acute Care)
2946 E BANNER GATEWAY DR
GILBERT, AZ 85234
Maricopa County (480) 256-6444
RICHARD D SUE MD
Internal Medicine (Pulmonary Disease)
2946 E BANNER GATEWAY DR
GILBERT, AZ 85234
Maricopa County (480) 256-6444
MRS. ALEXANDRIA NICOLE BARNES PA-C
Physician Assistant (Medical)
2946 E BANNER GATEWAY DR
GILBERT, AZ 85234
Maricopa County (480) 256-6444
ASHLEY JOHNSON KELLER PA-C
Physician Assistant
2946 E BANNER GATEWAY DR
GILBERT, AZ 85234
Maricopa County (480) 256-6444

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Faber's NPI number?

The NPI number for Mark Faber is 1285167080. It was assigned to this individual provider in the NPPES registry on April 7, 2017.

Where is Mark Faber located?

Mark Faber practices at 2946 E Banner Gateway Dr, Gilbert, AZ 85234. The listed phone number is (480) 256-6444.

What is Mark Faber's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Mark Faber enrolled in Medicare?

Yes. Mark Faber is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Faber accept?

Health plans from Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Mark Faber as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Faber was last updated on March 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.