Karen J. Yun, M.D
Psychiatry Physician · Oakland, CA
Karen J. Yun, M.D is a psychiatry physician with a practice address in Oakland, California, and NPI 1609803923, issued on Jun 26, 2006. Check the license (California A69150, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen J. Yun
- Credential
- M.D
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A69150 CA
Self-reported in NPPES; status is on the state search - Practice location
- 310 8TH St Ste 201, Oakland, CA 94607
- Phone
- (510) 735-3900
- Enumerated
- Jun 26, 2006
- Record last updated
- Oct 12, 2024
- Medicaid ID
- 00A69150 CA
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 310 8TH St Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn AsuncionStudent in an Organized Health Care Education/Training Program1922432756
- Joelaw BiMarriage & Family Therapist1871131672
- Minh-Tran Champlin, PSY.D., LCSWClinical Social Worker1568594000
- Kitling ChanCase Manager/Care Coordinator1184015877
- Poking ChanMental Health Counselor1972905875
- Jean Chen, MSWStudent in an Organized Health Care Education/Training Program1376408070
Verify Karen J. Yun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69150Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
23 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Haloperidol Decanoate14 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.
Karen J. Yun among 8,673 psychiatry physician records in California
Karen J. Yun, M.D is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Oakland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Thu Bui, M.D.Oakland, CA 946071306177522
- Sirikanya Chiraroekmongkon, MDOakland, CA 946071619597283
- Neal Edwards, MDOakland, CA 946071114052321
- Scott Smolar, DOOakland, CA 946071730297102
- Roger Stoltzman, M.D.Oakland, CA 946071578546057
- Tuongvi Ta, MDOakland, CA 946071841255973
- Genevieve Yu, M.D.Oakland, CA 946071699961367
- Clayton Barnes Martinez, MD, MPHEmeryville, CA 946081922453513
Common questions
What is Karen J. Yun, M.D's NPI number?
Karen J. Yun, M.D's National Provider Identifier (NPI) is 1609803923, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen J. Yun, M.D located?
The NPPES record lists a practice address at 310 8TH St Ste 201, Oakland, CA, 94607. Phone: (510) 735-3900. Providers update this record themselves, so call before visiting.
How can I verify Karen J. Yun, M.D's license?
NPPES lists California license number A69150, 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 Karen J. Yun, M.D prescribe under Medicare Part D?
In 2024, Karen J. Yun, M.D had 23 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.