THERESA ONG LIU DUMLAO MD
NPI 1043477441
Internal Medicine - Hematology & Oncology in Gilbert, AZ

Q: What is Theresa Liu Dumlao's NPI number?

The NPI number for Theresa Liu Dumlao is 1043477441. It was assigned to this individual provider in the NPPES registry on May 22, 2008. The provider is also known as Theresa Liu Dumlao MD.

Q: What is Theresa Liu Dumlao's specialty?

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

Active since May 22, 2008PECOS EnrolledAccepts Medicare Assignment

81.49/100

CMS Quality Rating

2946 E BANNER GATEWAY DR, SUITE 450, GILBERT, AZ 85234(480) 256-6444(480) 256-3359 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 11, 2025, Nov 15, 2017 (2 updates tracked since 2017).

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About Theresa Ong Liu Dumlao Md NPPES

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

THERESA ONG LIU DUMLAO MD (NPI 1043477441) is an individual hematology & oncology provider in Gilbert, Arizona, licensed in Arizona (32590) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Gilbert, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1043477441

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameTHERESA ONG LIU DUMLAOCredential: MD

Location Address2946 E BANNER GATEWAY DR, SUITE 450Gilbert, AZ 85234-2165

Mailing Address2940 E. Banner Gateway Dr, Suite 450Gilbert, AZ 85234-2165 · (480) 256-6444 · Fax (480) 256-3359

Phone(480) 256-6444

Fax(480) 256-3359

Sole ProprietorNo

Medical School CMSOtherGraduated 1993

Enumeration DateMay 22, 2008

Last NPPES UpdateAugust 11, 20252 updates tracked since enumeration

✔ NPI 1043477441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Licenses✔ Licensed in AZ · 32590✔ Licensed in TX · P0083

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 Medicine · HematologyTaxonomy 207RH0000X · License 25912 (AL)

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 25912 (AL)

2946 E BANNER GATEWAY DR, Gilbert, AZ 85234

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Other Names 1

Professional Name (2)Theresa Liu Dumlao Md

Secondary Practice Location 1

Location 12946 E Banner Gateway Dr, Suite 450Gilbert, AZ 85234-2165 · Phone (256) 466-0071

Other Identifiers 5

Medicaid04101524MS

Medicaid287754001 (MDACC)TX

Medicaid139243AL

Other8DC007TX · Bcbs (mdacc)

Other51591744AL · Bcbs - 1 Infirmary Circle

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

Theresa Ong Liu Dumlao Md 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 ID446222350

PECOS Enrollment IDI20150323001915

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.

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.

316 services141 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.

273 services216 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

33 services33 patients

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.

32 services23 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

25 services18 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 Interoperability

100

Improvement Activities

Cost

38.3

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers12 claims12 services$62.04 avg. paid by Medicare

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier12 claims966 services$0.69 avg. paid by Medicare

Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000

DME-Orthotic Devices · category DF000N

2 suppliers24 claims59 services$39.70 avg. paid by Medicare

Breast prosthesis, silicone or equal, without integral adhesive L8030

DME-Orthotic Devices · category DF000N

1 supplier11 claims14 services$223.83 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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)