Dr. Esther M. Yun, MD
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 45
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 2400 Samaritan Dr Suite 105 Suite 105, San Jose, CA 95124-3910
- Practice phone
- Call (408) 739-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Palo Alto Medial Foundation
Multi-specialty group site · San Jose, California
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. Esther M. Yun is an OB-GYN in San Jose, California
Dr. Yun practices at Palo Alto Medial Foundation in San Jose, California.
Dr. Yun's NPI, 1992951214, was assigned on August 18, 2008. Dr. Yun holds California license A133166.
- NPI
- 1992951214NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365568532
- NPI enumeration date
- August 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 739-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Esther M. Yun practices at Palo Alto Medial Foundation in San Jose, California
Dr. Yun's primary practice is Palo Alto Medial Foundation, at 2400 Samaritan Dr Suite 105 Suite 105, San Jose, CA 95124-3910. The practice phone is (408) 739-6000.
- Palo Alto Medial Foundation2400 Samaritan Dr Suite 105 Suite 105, San Jose, CA 95124-3910Phone(408) 739-6000
Source: Dmand AI Affiliation Data
Dr. Esther M. Yun is affiliated with 1 site of care and 1 medical group
Dr. Yun's primary practice is Palo Alto Medial Foundation in San Jose, California. The medical group on file is Palo Alto Foundation Medical Group.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Esther M. 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 |
|---|---|
| Palo Alto Medial Foundation | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Esther M. Yun is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Yun's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Yun's licenses on file in 2 states: California and Massachusetts.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Massachusetts license
OB-GYNs near Dr. Yun
Counts of OB-GYNs 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. Esther M. Yun treated 25 Medicare patients in 2024, average age 70
CMS counts 25 Medicare patients who saw Dr. Yun in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yun's median patient age at 38, with 97% women.
Dr. Yun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Yun's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women97%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Esther M. Yun wrote 45 Medicare Part D claims in 2024
In 2024, Dr. Yun wrote 45 Medicare Part D claims for 14 patients. 60% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $2,792 in total drug cost.
Dr. Yun's Part D claims by kind of drug, 2024
- Generic27 claims60%
- Brand-name18 claims40%
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.
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
How Dr. Esther M. Yun takes part in Medicare
Dr. Yun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Sources for Dr. Esther M. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. Esther M. 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. Esther M. Yun's NPI number?
Dr. Esther M. Yun's NPI number is 1992951214. It was assigned on August 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Esther M. Yun?
Dr. Esther M. Yun is an OB-GYN in San Jose, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Esther M. Yun practice?
Dr. Yun practices at 2400 Samaritan Dr Suite 105 Suite 105, San Jose, CA 95124-3910. Dr. Yun's primary practice is Palo Alto Medial Foundation in San Jose, California.
What is Dr. Esther M. Yun's office phone number?
The practice phone on file for Dr. Yun is (408) 739-6000.
What is Dr. Esther M. Yun's medical license number?
Dr. Yun holds California license A133166, one of the licenses on file in 2 states.
Which states has Dr. Esther M. Yun been licensed in?
Dmand AI has state licenses on file for Dr. Yun in California and Massachusetts.
What medical group is Dr. Esther M. Yun part of?
Dr. Yun is linked to Palo Alto Foundation Medical Group.
Does Dr. Esther M. Yun accept Medicare?
Yes. CMS lists Dr. Yun as accepting Medicare assignment.
How many Medicare patients does Dr. Esther M. Yun see?
CMS counts 25 Medicare patients who saw Dr. Yun in 2024, with an average age of 70.
What drugs does Dr. Esther M. Yun prescribe most?
In 2024 Medicare Part D data, Dr. Yun's most prescribed drugs by claims were Prempro.
How long has Dr. Esther M. Yun been practicing?
Dr. Yun graduated from medical school in 2006, 20 years ago.
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