Richard Nguyen
Internal Medicine Physician · Columbia, MO
Richard Nguyen is an internal medicine physician with a practice address in Columbia, Missouri, and NPI 1588045009, issued on Jun 10, 2015. Check the license (Missouri 2018019486, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Richard Nguyen
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2018019486 MO
Self-reported in NPPES; status is on the state search - Practice location
- 800 Hospital Dr, Columbia, MO 65212
- Phone
- (573) 884-9066
- Enumerated
- Jun 10, 2015
- Record last updated
- Feb 4, 2026
- Fax
- (573) 884-3037
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Verify Richard Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2018019486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
14 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Richard Nguyen among 2,604 internal medicine physician records in Missouri
Richard Nguyen 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 2015, is newer than 62% of them.
- NPI issued2015 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2026 · 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).
213 internal medicine physician records list a practice address in Columbia
They are 213 of the 6,004 NPPES records with a practice address in Columbia, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Columbia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kevin Clary, MDColumbia, MO 652121821280769
- Angela Dunn, D.O.Columbia, MO 652121942525597
- Kristin Hahn-Cover, M.D.Columbia, MO 652121124070172
- Murtaza Kazmi, MDColumbia, MO 652121861588972
- Melissa Kouba, MDColumbia, MO 652121780614495
- Robert Lancey, M.D.Columbia, MO 652121285682997
- Syed Naqvi, M.D.Columbia, MO 652121386841047
- Puja Nistala, M.D.Columbia, MO 652121205947835
Common questions
What is Richard Nguyen's NPI number?
Richard Nguyen's National Provider Identifier (NPI) is 1588045009, issued on Jun 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Richard Nguyen located?
The NPPES record lists a practice address at 800 Hospital Dr, Columbia, MO, 65212. Phone: (573) 884-9066. Providers update this record themselves, so call before visiting.
How can I verify Richard Nguyen's license?
NPPES lists Missouri license number 2018019486, 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 Richard Nguyen prescribe under Medicare Part D?
In 2024, Richard Nguyen had 14 Medicare Part D claims; 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.