NPPES file of Aug 9, 2026

Erika Leung, M.D.

Internal Medicine Physician · Ste Genevieve, MO

Erika Leung, M.D. is an internal medicine physician with a practice address in Ste Genevieve, Missouri, and NPI 1326453721, issued on Jun 24, 2014. Check the license (Missouri 2017044018, 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
1326453721
Name
Erika Leung
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2017044018 MO
Self-reported in NPPES; status is on the state search
Practice location
930 Park Dr, Ste Genevieve, MO 63670
Phone
(573) 883-7474
Enumerated
Jun 24, 2014
Record last updated
Nov 8, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(573) 883-7647
Medicare enrollment
Enrolled (PECOS I20180710003037); 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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Also registered at 930 Park Dr

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

  1. Dale Kraenzle, FNPAdult Health Nurse Practitioner1437200649
  2. Susan O'Donnell, MDFamily Medicine Physician1720051162
  3. Niranjana Raju, MDFamily Medicine Physician1700859394

Verify Erika Leung 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 2017044018
    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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5.5 times the Medicare Part D claims of the average internal medicine physician in 2024

17,422 Medicare Part D claims for 586 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 208 claims were for opioids.

  1. Erika Leung17,422
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium913 claims
  2. Levothyroxine Sodium679 claims
  3. Eliquis493 claims
  4. Lisinopril473 claims
  5. Furosemide449 claims
  6. Potassium Chloride412 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.

Industry payments in 2024: $300.38

16 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Erika Leung$300.38
  2. Specialty average$1,303.06

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

One hospital affiliation

  1. Ste Genevieve County Memorial HospitalBloomsdale, MO · Critical Access Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Erika Leung among 2,604 internal medicine physician records in Missouri

Erika Leung, 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
  • Graduated2014 · median 2006 among the 1,443 with a school on file
  • Record last updated2018 · 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).

2 internal medicine physician records list a practice address in Ste Genevieve

They are 2 of the 91 NPPES records with a practice address in Ste Genevieve, and 2,604 internal medicine physician records in Missouri.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Zaki Chowdhury, M.D.Ste Genevieve, MO 636701366456022
  2. Ian Pelletier, DOPilot Knob, MO 636631316501000
  3. Edward Burke, M.D.Fredericktown, MO 636451306885157
  4. Ashvin Patel, M.D.Fredericktown, MO 636451548235419
  5. Mohammed Ali, MDFarmington, MO 636401811540800
  6. Susan Cox, MDFarmington, MO 636401225120751
  7. Jennifer Crouch, M.D.Farmington, MO 636401902246705
  8. John GriffinFarmington, MO 636401275731143

Common questions

What is Erika Leung, M.D.'s NPI number?

Erika Leung, M.D.'s National Provider Identifier (NPI) is 1326453721, issued on Jun 24, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Erika Leung, M.D. located?

The NPPES record lists a practice address at 930 Park Dr, Ste Genevieve, MO, 63670. Phone: (573) 883-7474. Providers update this record themselves, so call before visiting.

How can I verify Erika Leung, M.D.'s license?

NPPES lists Missouri license number 2017044018, 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 Erika Leung, M.D. prescribe under Medicare Part D?

In 2024, Erika Leung, M.D. had 17,422 Medicare Part D claims for 586 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.

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.