Kevin Yin
Internal Medicine Physician · O Fallon, MO
Kevin Yin is an internal medicine physician with a practice address in O Fallon, Missouri, and NPI 1689311011, issued on May 17, 2022. Check the license (Missouri 2025011705, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Kevin Yin
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2025011705 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2223 Technology Dr Ste 35, O Fallon, MO 63368
- Phone
- (636) 561-5999
- Enumerated
- May 17, 2022
- Entity
- Type 1 · individual
Also registered at 2223 Technology Dr Ste 35
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Wells, FNPRegistered Nurse1336444520
Verify Kevin Yin 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 2025011705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
73% fewer Medicare Part D claims than the average internal medicine physician in 2024
753 Medicare Part D claims for 65 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium79 claims
- Amlodipine Besylate66 claims
- Omeprazole28 claims
- Losartan Potassium27 claims
- Gabapentin26 claims
- Pantoprazole Sodium26 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.
One hospital or facility affiliation
- Mercy Clinic East CommunitiesO Fallon, MO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
17 internal medicine physician records list a O Fallon practice address
They are 17 of the 1,225 NPPES records with a O Fallon practice address, and 3,392 internal medicine physician records in Missouri.
All 17 in O Fallon → All 3,392 in Missouri → Every provider in O Fallon →
Other internal medicine physician records in Missouri
- Betty Abban, M.D.Springfield, MO1063893162
- Amer Abbas, MDSaint Louis, MO1508480666
- Marghoob Abbas, M.D.St Joseph, MO1588603781
- Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
- Sundas Abbas, MDRichmond Heights, MO1649790486
- Hajira Abbasi, DOSaint Louis, MO1194036947
- Mohammed Abbasi, MDSaint Louis, MO1497097083
- Catey Abbott, DOSaint Louis, MO1699355347
- David Abbott, MDRichmond Heights, MO1568448850
- Ramzi Abboud, MDSaint Louis, MO1649684200
Common questions
What is Kevin Yin's NPI number?
Kevin Yin's National Provider Identifier (NPI) is 1689311011, issued on May 17, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Yin located?
The NPPES record lists a practice address at 2223 Technology Dr Ste 35, O Fallon, MO, 63368. Phone: (636) 561-5999. Providers update this record themselves, so call before visiting.
How can I verify Kevin Yin's license?
NPPES lists Missouri license number 2025011705, 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 Kevin Yin prescribe under Medicare Part D?
In 2024, Kevin Yin had 753 Medicare Part D claims for 65 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.