Registry data as of Aug 27, 2026

Kathryn Dao, MD

Rheumatology Physician · Dallas, TX

Kathryn Dao, MD is a rheumatology physician with a practice address in Dallas, Texas, and NPI 1588631436, issued on Feb 28, 2006. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1588631436
Name
Kathryn Dao
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
Practice location
9900 N Central Expy Ste 550, Dallas, TX 75231
Phone
(214) 648-5295
Enumerated
Feb 28, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9900 N Central Expy Ste 550

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Pedro Castillo, MDRheumatology Physician1457770166
  2. Melissa Defoe, MDHospitalist Physician1982043931

Verify Kathryn Dao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

51% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,012 Medicare Part D claims for 262 beneficiaries, against an average of 2,058 among the 4,833 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Kathryn Dao1,012
  2. Specialty average2,058

Most prescribed

  1. Prednisone142 claims
  2. Hydroxychloroquine Sulfate135 claims
  3. Methotrexate98 claims
  4. Gabapentin72 claims
  5. Humira(Cf) Pen47 claims
  6. Leflunomide33 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 Medicare quality score for 2023: 74.6 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.

  1. Qualityout of 100 · 30% of the final score56.1
  2. Costout of 100 · 30%59.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $7,793.38

3 payments, mostly consulting fee; the largest payer was Abbvie Inc.. The 3,502 providers of this specialty with any payment received $8,487.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathryn Dao$7,793.38
  2. Specialty average$8,487.29

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Rheumatology Physician providers in Texas

There are 417 rheumatology physician records in Texas.

Other rheumatology physician records in Texas

  1. Michael Abel, MDFredericksburg, TX1841270204
  2. Tareq Abou-Khamis, M.D.Houston, TX1851587612
  3. Robert Abresch, M.D.El Paso, TX1285628677
  4. Sampada Acharya, MDFort Worth, TX1033422662
  5. Waffiyah Afridi, M.D.Farmers Branch, TX1346400686
  6. Zeeshan Afzal, M.D.El Paso, TX1649586256
  7. Martha Aguilar, M.D.Houston, TX1750488805
  8. Syed Alam, MDHouston, TX1396179677
  9. Ann Aleman Weinmann, MDCorpus Christi, TX1982660338
  10. Hiba Ali, MDPasadena, TX1679969448

Common questions

What is Kathryn Dao, MD's NPI number?

Kathryn Dao, MD's National Provider Identifier (NPI) is 1588631436, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Dao, MD located?

The NPPES record lists a practice address at 9900 N Central Expy Ste 550, Dallas, TX, 75231. Phone: (214) 648-5295. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Dao, MD's license?

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 Kathryn Dao, MD prescribe under Medicare Part D?

In 2024, Kathryn Dao, MD had 1,012 Medicare Part D claims for 262 beneficiaries; the average among rheumatology physician prescribers was 2,058. Part D covers Medicare prescriptions only.

What is Kathryn Dao, MD's Medicare quality score?

The 2023 MIPS final score is 74.6 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.