NPPES file of Aug 9, 2026

Thao Tran Marquez, MD,MS

Surgery Physician · Creve Coeur, MO

Thao Tran Marquez, MD,MS is a surgery physician with a practice address in Creve Coeur, Missouri, and NPI 1275696866, issued on Dec 18, 2006. Check the license (Missouri 2012029320, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275696866
Name
Thao Tran Marquez
Credential
MD,MS
Primary taxonomy
Surgery Physician 208600000X
License numbers
2012029320 MO
MD2018-0703 NM
48381 MN
Self-reported in NPPES; status is on the state search
Practice location
621 S New Ballas RD, Creve Coeur, MO 63141
Phone
(314) 251-6840
Enumerated
Dec 18, 2006
Record last updated
Aug 6, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180817001358); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 621 S New Ballas RD

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

  1. Lisa Etzwiler, M.D.Pediatric Emergency Medicine (Emergency Medicine) Physician1740398593
  2. Mikael Garri, MDInternal Medicine Physician1306076120
  3. Dennis Keithly, MDEmergency Medicine Physician1518069087
  4. Benjamin Shultes, CAAAnesthesiologist Assistant1417578246
  5. David Tannehill, D.O.Internal Medicine Physician1750591053
  6. David Wallace, R.PH.Pharmacist1376667964

Verify Thao Tran Marquez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2012029320
    Check 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 Missouri 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.2 times the Medicare Part D claims of the average surgery physician in 2024

320 Medicare Part D claims for 119 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 54 claims were for opioids.

  1. Thao Marquez320
  2. Specialty average147

Most prescribed

  1. Gabapentin56 claims
  2. Oxycodone-Acetaminophen45 claims
  3. Metronidazole38 claims
  4. Neomycin Sulfate37 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf37 claims
  6. Gavilyte-G19 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): 83.8 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 score84.6
  2. Costout of 100 · 30%58.6
  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: $6,122.85

18 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thao Marquez$6,122.85
  2. Specialty average$3,513.80

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

  1. Presbyterian Healthcare ServicesEspanola, NM

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thao Tran Marquez among 714 surgery physician records in Missouri

Thao Tran Marquez, MD,MS is one of 714 surgery physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 62% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2004 · median 2006 among the 410 with a school on file
  • Record last updated2018 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Missouri

There are 714 surgery physician records in Missouri.

The 8 surgery physician records with the nearest ZIP codes

  1. John Eagon, MDSaint Louis, MO 631411801814538
  2. Alison Gildehaus, M.D.Saint Louis, MO 631411104023886
  3. Omar Guerra, MDSaint Louis, MO 631411952337222
  4. Todd Howard, M.D.Saint Louis, MO 631411154351765
  5. Lindy Hruska, M.D.Saint Louis, MO 631411174510473
  6. Samuel Marquez, M.D.St Louis, MO 631411750380846
  7. Nicole Martinez, M.D.Creve Coeur, MO 631411780894113
  8. Ryan Neff, M.D.Saint Louis, MO 631411427245034

Common questions

What is Thao Tran Marquez, MD,MS's NPI number?

Thao Tran Marquez, MD,MS's National Provider Identifier (NPI) is 1275696866, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thao Tran Marquez, MD,MS located?

The NPPES record lists a practice address at 621 S New Ballas RD, Creve Coeur, MO, 63141. Phone: (314) 251-6840. Providers update this record themselves, so call before visiting.

How can I verify Thao Tran Marquez, MD,MS's license?

NPPES lists Missouri license number 2012029320, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thao Tran Marquez, MD,MS prescribe under Medicare Part D?

In 2024, Thao Tran Marquez, MD,MS had 320 Medicare Part D claims for 119 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Thao Tran Marquez, MD,MS's MIPS final score?

The 2023 MIPS final score is 83.8 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.