Yoon J. Cho, M.D.
Internal Medicine Physician · Santa Clara, CA
Yoon J. Cho, M.D. is an internal medicine physician with a practice address in Santa Clara, California, and NPI 1447330394, issued on Oct 16, 2006. Check the license (California A054133, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yoon J. Cho
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A054133 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2344 EL Camino Real, Santa Clara, CA 95050
- Phone
- (408) 249-1212
- Enumerated
- Oct 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040503001444); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2344 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ki Cho, M.D.Internal Medicine Physician1225122880
- Smita Rodrigues, D.D.S.General Practice Dentistry1730377425
Verify Yoon J. Cho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A054133Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
434 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium63 claims
- Losartan Potassium28 claims
- Metformin Hcl25 claims
- Amlodipine Besylate22 claims
- Rosuvastatin Calcium18 claims
- Levothyroxine Sodium12 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: $237.04
22 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Yoon J. Cho among 17,696 internal medicine physician records in California
Yoon J. Cho, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1991 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
140 internal medicine physician records list a practice address in Santa Clara
They are 140 of the 3,436 NPPES records with a practice address in Santa Clara, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Clara → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ki Cho, M.D.Santa Clara, CA 950501225122880
- Hessam Noralahi, MDSanta Clara, CA 950501306875596
- Curtis Rollins, M.D., D.M.D.Santa Clara, CA 950501265548382
- Anthony Saglimbeni, M.D.Santa Clara, CA 950501922053776
- Khaliq Shah, M.D.Santa Clara, CA 950501568479327
- James Son, M.D.Santa Clara, CA 950501972535680
- Emily Cabebe, MDSanta Clara, CA 950511356307474
- Saroja Dandamudi, M.D.Santa Clara, CA 950511891768826
Common questions
What is Yoon J. Cho, M.D.'s NPI number?
Yoon J. Cho, M.D.'s National Provider Identifier (NPI) is 1447330394, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yoon J. Cho, M.D. located?
The NPPES record lists a practice address at 2344 EL Camino Real, Santa Clara, CA, 95050. Phone: (408) 249-1212. Providers update this record themselves, so call before visiting.
How can I verify Yoon J. Cho, M.D.'s license?
NPPES lists California license number A054133, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yoon J. Cho, M.D. prescribe under Medicare Part D?
In 2024, Yoon J. Cho, M.D. had 434 Medicare Part D claims for 31 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.