Soohyun Karen Yoon, M.D.
Pediatrics Physician · San Jose, CA
Soohyun Karen Yoon, M.D. is a pediatrics physician with a practice address in San Jose, California, and NPI 1104026285, issued on Jul 18, 2007. Check the license (California A89285, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Soohyun Karen Yoon
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A89285 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1333 Meridian Ave, San Jose, CA 95125
- Phone
- (408) 445-3400
- Enumerated
- Jul 18, 2007
- Record last updated
- Oct 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (408) 266-7567
- Medicaid ID
- 009406400 MD
- Medicare enrollment
- Enrolled (PECOS I20180110002703); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 1333 Meridian Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Soohyun Karen Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Soohyun Karen Yoon among 9,272 pediatrics physician records in California
Soohyun Karen Yoon, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 43% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2003 · median 2012 among the 754 with a school on file
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
227 pediatrics physician records list a practice address in San Jose
They are 227 of the 20,925 NPPES records with a practice address in San Jose, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in San Jose → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Zaha Husaini, M.D.San Jose, CA 951251356520019
- Ping-Cheung Lee, M.D.San Jose, CA 951251871703652
- Jacqueline Chak, M.D.San Jose, CA 951241558684647
- Jane Chen, M.D.San Jose, CA 951241558406462
- Geoffrey Chu, MDSan Jose, CA 951241184250102
- Bryan Drucker, M.D.San Jose, CA 951241083764856
- Lauren Farash, M.D., M.P.H.San Jose, CA 951241215170147
- Jenny Griswold, M.D.San Jose, CA 951241245380013
Common questions
What is Soohyun Karen Yoon, M.D.'s NPI number?
Soohyun Karen Yoon, M.D.'s National Provider Identifier (NPI) is 1104026285, issued on Jul 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Soohyun Karen Yoon, M.D. located?
The NPPES record lists a practice address at 1333 Meridian Ave, San Jose, CA, 95125. Phone: (408) 445-3400. Providers update this record themselves, so call before visiting.
How can I verify Soohyun Karen Yoon, M.D.'s license?
NPPES lists California license number A89285, 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.
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.