Andrew Wei Chong Mak, M.D.
Hematology & Oncology Physician · Amarillo, TX
Andrew Wei Chong Mak, M.D. is a hematology & oncology physician with a practice address in Amarillo, Texas, and NPI 1306227376, issued on Jun 15, 2015. Check the license (Texas T5978, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew Wei Chong Mak
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- T5978 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1751 Wallace Blvd, Amarillo, TX 79106
- Phone
- (806) 212-4673
- Enumerated
- Jun 15, 2015
- Record last updated
- Jun 24, 2026
- Fax
- (806) 212-0057
- Medicare enrollment
- Enrolled (PECOS I20220822002744); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2015
- Entity
- Type 1 · individual
Also registered at 1751 Wallace Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Arsenault, MDRadiation Oncology Physician1265675854
- Rasha Beg, M.D.Medical Oncology Physician1487833505
- Ashley Fulcher, NPFamily Nurse Practitioner1164111969
- Marilyn Miller, FNPFamily Nurse Practitioner1609141027
- Yvonna Morales, RNRegistered Nurse1841146735
- Milan Patel, MDHematology & Oncology Physician1982885646
Verify Andrew Wei Chong Mak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T5978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,320 Medicare Part D claims for 146 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 179 claims were for opioids.
Most prescribed
- Prochlorperazine Maleate79 claims
- Ondansetron Hcl73 claims
- Hydroxyurea44 claims
- Hydrocodone-Acetaminophen41 claims
- Oxycodone Hcl40 claims
- Trazodone Hcl39 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $953.41
43 payments; by number, the most common kind was food and beverage; the largest payer was Incyte Corporation. 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
- Bsa Harrington Physicians IncAmarillo, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
Other hematology & oncology physician records in Texas
- Kanza Abbas, M.D.Houston, TX1396065934
- Elham Abbasi-Hafshejani, M.D.The Woodlands, TX1306856513
- Raghad Abdul-Karim, MDMcAllen, TX1114207172
- Seyed Abedi, M.D.,PH.D.Cedar Park, TX1033567409
- Muhammad Abid, M.D.Lubbock, TX1639480437
- Ambrose Aboud, MDEl Paso, TX1407843873
- Hesham Abowali, MDGalveston, TX1447806955
- Joel Abramowitz, M.D., PHDHouston, TX1447220413
- Hussna Abunafeesa, M.DDallas, TX1902338726
- Prashanth Adapala, M.D.Marble Falls, TX1740484336
Common questions
What is Andrew Wei Chong Mak, M.D.'s NPI number?
Andrew Wei Chong Mak, M.D.'s National Provider Identifier (NPI) is 1306227376, issued on Jun 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Wei Chong Mak, M.D. located?
The NPPES record lists a practice address at 1751 Wallace Blvd, Amarillo, TX, 79106. Phone: (806) 212-4673. Providers update this record themselves, so call before visiting.
How can I verify Andrew Wei Chong Mak, M.D.'s license?
NPPES lists Texas license number T5978, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Wei Chong Mak, M.D. prescribe under Medicare Part D?
In 2024, Andrew Wei Chong Mak, M.D. had 1,320 Medicare Part D claims for 146 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Andrew Wei Chong Mak, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.