Chen Chao, MD
Rheumatology Physician · Amarillo, TX
Chen Chao, MD is a rheumatology physician with a practice address in Amarillo, Texas, and NPI 1780200816, issued on Jun 24, 2020. Check the license (Texas V4892, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chen Chao
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- V4892 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6842 Plum Creek Dr, Amarillo, TX 79124
- Phone
- (806) 353-7000
- Enumerated
- Jun 24, 2020
- Record last updated
- Aug 3, 2025
- Fax
- (888) 905-2452
- Medicare enrollment
- Enrolled (PECOS I20250815002244); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 6842 Plum Creek Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Brelsford, MD, FACP, FACRRheumatology Physician1770586703
- Priscilla Gann, PA-C, MPASPhysician Assistant1053614313
- Melissa Griffith, NPFamily Nurse Practitioner1275607178
- Adrion Guillen, NP-CFamily Nurse Practitioner1457908402
- Lee Klonoski, APRN, FNP-CFamily Nurse Practitioner1205599305
- Cristin Lott, PA-CPhysician Assistant1578948709
Verify Chen Chao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V4892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average rheumatology physician in 2024
637 Medicare Part D claims for 98 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Diclofenac Sodium89 claims
- Hydroxychloroquine Sulfate78 claims
- Prednisone61 claims
- Methotrexate44 claims
- Pantoprazole Sodium40 claims
- Azathioprine27 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.
Bills Medicare through one group practice
- Allergy Arts LLPAmarillo, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rheumatology Physician providers in Texas
There are 545 rheumatology physician records in Texas.
Other rheumatology physician records in Texas
- Zohair Abbas, MDHouston, TX1598944027
- Michael Abel, MDFredericksburg, TX1841270204
- Tareq Abou-Khamis, M.D.Houston, TX1851587612
- Robert Abresch, M.D.El Paso, TX1285628677
- Sampada Acharya, MDFort Worth, TX1033422662
- Waffiyah Afridi, M.D.Farmers Branch, TX1346400686
- Zeeshan Afzal, M.D.El Paso, TX1649586256
- Sandeep AgarwalHouston, TX1467489757
- Martha Aguilar, M.D.Houston, TX1750488805
- Fayyaz Ahmed, MDHouston, TX1669435996
Common questions
What is Chen Chao, MD's NPI number?
Chen Chao, MD's National Provider Identifier (NPI) is 1780200816, issued on Jun 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Chen Chao, MD located?
The NPPES record lists a practice address at 6842 Plum Creek Dr, Amarillo, TX, 79124. Phone: (806) 353-7000. Providers update this record themselves, so call before visiting.
How can I verify Chen Chao, MD's license?
NPPES lists Texas license number V4892, 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 Chen Chao, MD prescribe under Medicare Part D?
In 2024, Chen Chao, MD had 637 Medicare Part D claims for 98 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
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.