NPPES file of Aug 9, 2026

Yang Yu, M.D.

Internal Medicine Physician · Chesterfield, MO

Yang Yu, M.D. is an internal medicine physician with a practice address in Chesterfield, Missouri, and NPI 1538573092, issued on Jun 12, 2014. Check the license (Missouri 2014011577, 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
1538573092
Name
Yang Yu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2014011577 MO
Self-reported in NPPES; status is on the state search
Practice location
222 S Woods Mill RD, Chesterfield, MO 63017
Phone
(314) 205-6050
Enumerated
Jun 12, 2014
Record last updated
Apr 4, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(314) 434-5939
Medicare enrollment
Enrolled (PECOS I20170719002657); accepts Medicare assignment
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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8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →

Also registered at 222 S Woods Mill RD

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

  1. Nadya Ajanee, M.D.Internal Medicine Physician1639284276
  2. Afshin Amini, MDInternal Medicine Physician1871086090
  3. Venkat Arukala, M.D.Internal Medicine Physician1205210887
  4. Richard Bell, MDSpecialist1780679373
  5. John Best, MDPulmonary Disease Physician1053429977
  6. Ronald Bilchik, M.D.Specialist1992740435

Verify Yang Yu 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 2014011577    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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85% fewer Medicare Part D claims than the average internal medicine physician in 2024

481 Medicare Part D claims for 182 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 41 claims were for opioids.

  1. Yang Yu481
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium26 claims
  2. Furosemide25 claims
  3. Amlodipine Besylate23 claims
  4. Hydrocodone-Acetaminophen16 claims
  5. Atorvastatin Calcium15 claims
  6. Metoprolol Tartrate15 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 2 group practices

  1. Sound Physicians OF Illinois LLCBridgeton, MO
  2. Southeastern Physician Services PCSaint Peters, MO

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

Yang Yu among 2,604 internal medicine physician records in Missouri

Yang Yu, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 60% of them.

  • NPI issued2014 · 60% of these records are older, 38% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2001 · median 2006 among the 1,443 with a school on file
  • Record last updated2016 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

142 internal medicine physician records list a practice address in Chesterfield

They are 142 of the 2,132 NPPES records with a practice address in Chesterfield, and 2,604 internal medicine physician records in Missouri.

All 2,604 in Missouri → Every provider in Chesterfield → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mohammad Ahmed, MDChesterfield, MO 630171386636447
  2. Kae Chang, MDChesterfield, MO 630171316910243
  3. John Davidson, MDChesterfield, MO 630171306833801
  4. David Galli, M.D.Chesterfield, MO 630171255323374
  5. Thomas Hastings, MDChesterfield, MO 630171841281870
  6. John Helton, MDChesterfield, MO 630171417921156
  7. Richard Kozeny, MDChesterfield, MO 630171255319810
  8. Mark Novack, MDChesterfield, MO 630171114918737

Common questions

What is Yang Yu, M.D.'s NPI number?

Yang Yu, M.D.'s National Provider Identifier (NPI) is 1538573092, issued on Jun 12, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Yang Yu, M.D. located?

The NPPES record lists a practice address at 222 S Woods Mill RD, Chesterfield, MO, 63017. Phone: (314) 205-6050. Providers update this record themselves, so call before visiting.

How can I verify Yang Yu, M.D.'s license?

NPPES lists Missouri license number 2014011577, 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 Yang Yu, M.D. prescribe under Medicare Part D?

In 2024, Yang Yu, M.D. had 481 Medicare Part D claims for 182 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.