NPPES file of Aug 9, 2026

Samuel Marquez, M.D.

Surgery Physician · St Louis, MO

Samuel Marquez, M.D. is a surgery physician with a practice address in St Louis, Missouri, and NPI 1750380846, issued on Jul 20, 2005. Check the license (Missouri 2011013600, 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
1750380846
Name
Samuel Marquez
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
2011013600 MO
MD2018-0066 NM
46583 MN
Self-reported in NPPES; status is on the state search
Practice location
621 S. New Ballas Road, St Louis, MO 63141
Phone
(314) 251-6440
Enumerated
Jul 20, 2005
Record last updated
Jun 11, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(314) 251-4456
Medicare enrollment
Enrolled (PECOS I20180622000619); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2002
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.
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Also registered at 621 S. New Ballas Road

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

  1. Ronald Haake, D.O.Critical Care Medicine (Internal Medicine) Physician1386739548
  2. Theodore Sample, M.D.Pediatrics Physician1922191584
  3. Nicole Shuert, NPWomen's Health Nurse Practitioner1942532445

Verify Samuel 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 2011013600
    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.

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22% fewer Medicare Part D claims than the average surgery physician in 2024

115 Medicare Part D claims for 59 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 46 claims were for opioids.

  1. Samuel Marquez115
  2. Specialty average147

Most prescribed

  1. Hydrocodone-Acetaminophen40 claims
  2. Gabapentin37 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: $8,369.78

24 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. Samuel Marquez$8,369.78
  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 ServicesAlbuquerque, NM

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

Samuel Marquez among 714 surgery physician records in Missouri

Samuel Marquez, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2002 · 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. Thao Marquez, MD,MSCreve Coeur, MO 631411275696866
  7. Nicole Martinez, M.D.Creve Coeur, MO 631411780894113
  8. Ryan Neff, M.D.Saint Louis, MO 631411427245034

Common questions

What is Samuel Marquez, M.D.'s NPI number?

Samuel Marquez, M.D.'s National Provider Identifier (NPI) is 1750380846, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Marquez, M.D. located?

The NPPES record lists a practice address at 621 S. New Ballas Road, St Louis, MO, 63141. Phone: (314) 251-6440. Providers update this record themselves, so call before visiting.

How can I verify Samuel Marquez, M.D.'s license?

NPPES lists Missouri license number 2011013600, 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 Samuel Marquez, M.D. prescribe under Medicare Part D?

In 2024, Samuel Marquez, M.D. had 115 Medicare Part D claims for 59 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Samuel Marquez, M.D.'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.