Theresa Ong Liu Dumlao, MD
Hematology & Oncology Physician · Gilbert, AZ
Theresa Ong Liu Dumlao, MD is a hematology & oncology physician with a practice address in Gilbert, Arizona, and NPI 1043477441, issued on May 22, 2008. Check the license (Arizona 32590, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Theresa Ong Liu Dumlao
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 32590 AZ
25912 AL
P0083 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2946 E Banner Gateway Dr, Gilbert, AZ 85234
- Phone
- (480) 256-6444
- Enumerated
- May 22, 2008
- Record last updated
- Aug 11, 2025
- Fax
- (480) 256-3359
- Medicaid IDs
- 04101524 MS
287754001 (MDACC) TX
139243 AL - Medicare enrollment
- Enrolled (PECOS I20150323001915); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 285 in Arizona → Look up another NPI →
Also registered at 2946 E Banner Gateway Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Anderson, PA-CSurgical Physician Assistant1154896058
- Ambuga Badari, MDHematology & Oncology Physician1851555874
- Nazia Baker, PA-CSurgical Physician Assistant1588249684
- Alexandria Barnes, PA-CMedical Physician Assistant1053782664
- Gale Barr, NP-CNurse Practitioner1912970153
- Bridget Beauchamp, PA-CPhysician Assistant1396581807
Verify Theresa Ong Liu Dumlao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 32590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,564 Medicare Part D claims for 373 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Anastrozole579 claims
- Letrozole168 claims
- Alendronate Sodium103 claims
- Tamoxifen Citrate66 claims
- Gabapentin35 claims
- Raloxifene Hcl35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $73.34
3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Banner Cancer Center Specialists LLCGilbert, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa Ong Liu Dumlao among 285 hematology & oncology physician records in Arizona
Theresa Ong Liu Dumlao, MD is one of 285 hematology & oncology physician records with a practice address in Arizona. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 39% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1993 · median 2003 among the 229 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Arizona
There are 285 hematology & oncology physician records in Arizona.
All 285 in Arizona → Every provider in Gilbert → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ambuga Badari, MDGilbert, AZ 852341851555874
- Swapna Boppana, MDGilbert, AZ 852341285814509
- Hung Khong, MDGilbert, AZ 852341366586521
- Horst Uwe Klueppelberg, MD, PHDGilbert, AZ 852341356531859
- Margarita Kushnir, MDGilbert, AZ 852341437437373
- Michael Lee, MDGilbert, AZ 852341497933303
- Sumit Madan, MDGilbert, AZ 852341972766756
- Lida Mina, M.DGilbert, AZ 852341568625077
Common questions
What is Theresa Ong Liu Dumlao, MD's NPI number?
Theresa Ong Liu Dumlao, MD's National Provider Identifier (NPI) is 1043477441, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Ong Liu Dumlao, MD located?
The NPPES record lists a practice address at 2946 E Banner Gateway Dr, Gilbert, AZ, 85234. Phone: (480) 256-6444. Providers update this record themselves, so call before visiting.
How can I verify Theresa Ong Liu Dumlao, MD's license?
NPPES lists Arizona license number 32590, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Theresa Ong Liu Dumlao, MD prescribe under Medicare Part D?
In 2024, Theresa Ong Liu Dumlao, MD had 1,564 Medicare Part D claims for 373 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Theresa Ong Liu Dumlao, MD's MIPS final score?
The 2023 MIPS final score is 81.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.