NPPES file of Aug 9, 2026

Mardonio Jesus Yap, M.D.

Surgery Physician · Saint Louis, MO

Mardonio Jesus Yap, M.D. is a surgery physician with a practice address in Saint Louis, Missouri, and NPI 1548495641, issued on May 19, 2009. Check the license (Missouri 30508, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548495641
Name
Mardonio Jesus Yap
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
30508 MO
Self-reported in NPPES; status is on the state search
Practice location
2010 Grecian Way CT, Saint Louis, MO 63131
Phone
(314) 965-3915
Enumerated
May 19, 2009
Record last updated
May 19, 2009 (not updated in 17 years: call before relying on the address or phone)
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.
Download card Updates feed

Verify Mardonio Jesus Yap 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 30508
    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.

93% fewer Medicare Part D claims than the average surgery physician in 2024

11 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Mardonio Yap11
  2. Specialty average147

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.

Mardonio Jesus Yap among 714 surgery physician records in Missouri

Mardonio Jesus Yap, 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 2009, is newer than 51% of them.

  • NPI issued2009 · 51% of these records are older, 47% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2009 · 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. Proceso Arenos, MDSaint Louis, MO 631311245259498
  2. Daniel Hafenrichter, MDSaint Louis, MO 631311063483139
  3. Matthew Lange, DOSaint Louis, MO 631311063775716
  4. Mark Ludwig, M.D.Saint Louis, MO 631311841220498
  5. Christopher Pruett, M.D.Saint Louis, MO 631311427094705
  6. Linda Schulte, MDSaint Louis, MO 631311477967644
  7. G Yazdi, M.D.Saint Louis, MO 631311265477806
  8. Robert Beckman, M.D.Saint Louis, MO 631281083614622

Common questions

What is Mardonio Jesus Yap, M.D.'s NPI number?

Mardonio Jesus Yap, M.D.'s National Provider Identifier (NPI) is 1548495641, issued on May 19, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Mardonio Jesus Yap, M.D. located?

The NPPES record lists a practice address at 2010 Grecian Way CT, Saint Louis, MO, 63131. Phone: (314) 965-3915. Providers update this record themselves, so call before visiting.

How can I verify Mardonio Jesus Yap, M.D.'s license?

NPPES lists Missouri license number 30508, 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 Mardonio Jesus Yap, M.D. prescribe under Medicare Part D?

In 2024, Mardonio Jesus Yap, M.D. had 11 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.