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Dr. Karen J. Yun, MD
NPI1609803923
- Medicare services, 2018
- 41
- Part D claims, 2024
- 23
- Publications
- 1
- Industry payments
- $186
- State licenses
- 3
- Practice address
- 310 8th St Ste 201, Oakland, CA 94607-6527
- Practice phone
- Call (510) 735-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Yun's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Karen J. Yun is a psychiatrist in Oakland, California
Dr. Yun practices in Oakland, California.
Dr. Yun's NPI, 1609803923, was assigned on June 26, 2006. Dr. Yun graduated from Loma Linda University School Of Medicine in 1995. Dr. Yun holds California license A69150.
NPI and contact details
- NPI
- 1609803923NPI Registry (opens in a new tab)
- NPI enumeration date
- June 26, 2006
- NPI status
- Active
- Practice phone
- (510) 735-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Karen J. Yun's practice address is in Oakland, California
Dr. Yun's practice address in the NPI Registry is 310 8th St Ste 201, Oakland, CA 94607-6527. The practice phone is (510) 735-3900.
- NPI Registry address310 8th St Ste 201, Oakland, CA 94607-6527Phone(510) 735-3900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Karen J. Yun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yun practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Yun's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen J. Yun is one of 6,803 psychiatrists in California
Psychiatry is Dr. Yun's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Yun is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Yun's licenses on file in 3 states: California, Georgia and Hawaii.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Georgia license
- Hawaii license
Clinical focus
Dmand AI lists bipolar disorder, depression, schizophrenia and tobacco use among the conditions Dr. Yun treats.
Psychiatrists near Dr. Yun
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karen J. Yun billed Medicare for 41 services in 2018
CMS data shows 41 Medicare services from Dr. Yun across 1 procedure code in 2018, all of them office visits. Medicare paid $1,492 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201841
Paid by Medicare$1,492
Procedure codes1
Dr. Yun's Medicare services by type, 2016 to 2018
- 2016
- 2018
- Office and hospital visits
- 2016: 792018: 4148%
Dr. Yun compared with the California median for psychiatrists, 2018
- Dr. Yun
- California median
- Medicare services
- 41vs 11966% below
- Part D claims
- 14vs 14490% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Yun's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Yun?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yun and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen J. Yun wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Yun wrote 23 Medicare Part D claims. 83% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $464 in total drug cost. In 2023, CMS named 374 claims across 14 drugs.
Part D claims, 202423
Drugs named by CMS1
Total drug cost$464
Dr. Yun's Part D claims by kind of drug, 2024
- Generic19 claims83%
- Brand-name and other4 claims17%
Dr. Yun's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3742024: 1496%
Drugs named by CMS: 1 in 2024, 14 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Karen J. Yun has 1 publication on record
Dmand AI links 1 paper to Dr. Yun in 2013. Dr. Yun's most frequent co-author is Khoa D. Nguyen, MD.
Papers1
Dr. Yun's most frequent co-authors
Recent publications by Dr. Yun
See who Dr. Yun researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yun works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karen J. Yun received $186 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Yun from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Taiho Oncology, Inc. paid the most, $61.
General payments to Dr. Yun by program year, 2016 to 2018
Companies that paid Dr. Yun the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen J. Yun graduated from Loma Linda University School Of Medicine
Dr. Yun graduated from Loma Linda University School Of Medicine in 1995.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen J. Yun's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karen J. Yun
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Karen J. Yun's NPI number?
Dr. Karen J. Yun's NPI number is 1609803923. It was assigned on June 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen J. Yun?
Dr. Karen J. Yun is a psychiatrist in Oakland, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Karen J. Yun practice?
Dr. Yun practices at 310 8th St Ste 201, Oakland, CA 94607-6527.
What is Dr. Karen J. Yun's office phone number?
The practice phone on file for Dr. Yun is (510) 735-3900.
What is Dr. Karen J. Yun's medical license number?
Dr. Yun holds California license A69150, one of the licenses on file in 3 states.
Which states has Dr. Karen J. Yun been licensed in?
Dmand AI has state licenses on file for Dr. Yun in California (1999 to 2026), Georgia (2010 to 2011) and Hawaii (1995 to 2000).
Does Dr. Karen J. Yun accept Medicare?
Yes. CMS data shows Dr. Yun billed Medicare for 41 services in 2018.
Is Dr. Karen J. Yun board certified?
Yes. Dr. Yun is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Karen J. Yun bill to Medicare?
In 2018, Dr. Yun's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Karen J. Yun go to medical school?
Dr. Yun graduated from Loma Linda University School Of Medicine in 1995.
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What drugs does Dr. Karen J. Yun prescribe most?
In 2024 Medicare Part D data, Dr. Yun's most prescribed drugs by claims were Haloperidol Decanoate.
Has Dr. Karen J. Yun received payments from drug or device companies?
CMS Open Payments shows $186 in general payments to Dr. Yun from 4 companies from 2016 to 2018. The largest total came from Taiho Oncology, Inc.
How long has Dr. Karen J. Yun been practicing?
Dr. Yun graduated from medical school in 1995, 31 years ago.
Does Dr. Karen J. Yun do research?
Dmand AI links 1 publication to Dr. Yun.
Who does Dr. Karen J. Yun publish with?
Dr. Yun's most frequent co-authors are Khoa D. Nguyen, MD (1 shared paper).
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