Dr. Esther Jean Hyung Lee, MD
- Medicare services, 2024
- 25
- Medicare patients, 2024
- 74
- Hospital affiliations
- 1
- Industry payments
- $1,130
- Medical groups
- 4
- Practice address
- 3120 Kearney Street, Fremont, CA 94538
- Practice phone
- Call (510) 498-3600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Fremont
Surgery Center - Medicare-Certified · Fremont, California
Find Dr. Lee's professional email, personal email and mobile number
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Dr. Esther Jean Hyung Lee is a pediatrician in Fremont, California
Dr. Lee practices at Surgery Center Fremont in Fremont, California.
Dr. Lee's NPI, 1912224635, was assigned on April 21, 2010. Dr. Lee graduated from Emory School of Medicine in 2010. Dr. Lee holds California license A120551.
- NPI
- 1912224635NPI Registry (opens in a new tab)
- NPI enumeration date
- April 21, 2010
- NPI status
- Active
- Practice phone
- (510) 498-3600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Esther Jean Hyung Lee practices at Surgery Center Fremont in Fremont, California
Dr. Lee's primary practice is Surgery Center Fremont, at 3120 Kearney Street, Fremont, CA 94538. The practice phone is (510) 498-3600.
- Surgery Center Fremont3120 Kearney Street, Fremont, CA 94538Phone(510) 498-3600
Source: Dmand AI Affiliation Data
Dr. Esther Jean Hyung Lee is affiliated with 2 sites of care and 4 medical groups
Dr. Lee's primary practice is Surgery Center Fremont in Fremont, California. Dr. Lee is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Lee to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Esther Jean Hyung Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Fremont | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Esther Jean Hyung Lee is one of 8,236 pediatricians in California
Pediatrics is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Lee is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Lee is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Lee
Counts of pediatricians 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 Jean Hyung Lee billed Medicare for 25 services in 2024
CMS data shows 25 Medicare services from Dr. Lee across 1 procedure code in 2024, for 74 Medicare patients. Medicare paid $3,057 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lee's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Anesthesia
- 2021: 142024: 2579%
Dr. Lee compared with the California median for pediatricians, 2024
- Dr. Lee
- California median
- Medicare services
- 25vs 7064% below
- Medicare patients
- 74vs 6219% above
Medians across 807 pediatricians in California with Dmand AI profiles that report each measure.
Dr. Lee's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Esther Jean Hyung Lee treated 74 Medicare patients in 2024, average age 72
CMS counts 74 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 35 patients. 68% of them have high cholesterol, and 64% have high blood pressure. 15% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 48, with 52% women.
Dr. Lee's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lee's Medicare patients by sex, 2024
- Women3851%
- Men3649%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High cholesterol68%
- High blood pressure64%
- Arthritis30%
- Chronic kidney disease24%
- Diabetes24%
- Osteoporosis23%
- Asthma22%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Esther Jean Hyung Lee received $1,130 in industry payments from 2017 to 2025
CMS Open Payments shows 44 general payments to Dr. Lee from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $637.
General payments to Dr. Lee by program year, 2017 to 2025
Companies that paid Dr. Lee the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Esther Jean Hyung Lee graduated from Emory School of Medicine
Dr. Lee graduated from Emory School of Medicine in 2010.
- Medical school
- Board certified in anesthesiology
- Board certified in pediatric anesthesiology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Esther Jean Hyung Lee accepts plans from 12 insurance carriers
Dr. Lee is in network with 12 carriers, including United Healthcare, Elevance and HCSC. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- United Healthcare
- Elevance
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Lee accepts, by number of carriers
- PPO9
- HMO6
- Medicare4
- EPO3
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Esther Jean Hyung Lee'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 DataDmand AI Org Hierarchy 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Esther Jean Hyung Lee
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 Jean Hyung Lee's NPI number?
Dr. Esther Jean Hyung Lee's NPI number is 1912224635. It was assigned on April 21, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Esther Jean Hyung Lee?
Dr. Esther Jean Hyung Lee is a pediatrician in Fremont, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Esther Jean Hyung Lee practice?
Dr. Lee practices at 3120 Kearney Street, Fremont, CA 94538. Dr. Lee's primary practice is Surgery Center Fremont in Fremont, California. Dmand AI also links Dr. Lee to 3 medical groups.
What is Dr. Esther Jean Hyung Lee's office phone number?
The practice phone on file for Dr. Lee is (510) 498-3600.
What is Dr. Esther Jean Hyung Lee's medical license number?
Dr. Lee holds California license A120551.
Which hospitals is Dr. Esther Jean Hyung Lee affiliated with?
Dr. Lee is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights.
What medical group is Dr. Esther Jean Hyung Lee part of?
Dr. Lee is linked to UCSF Medical Group. Dmand AI links Dr. Lee to 3 more medical groups.
Does Dr. Esther Jean Hyung Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 25 services in 2024.
How many Medicare patients does Dr. Esther Jean Hyung Lee see?
CMS counts 74 Medicare patients who saw Dr. Lee in 2024, with an average age of 72.
Is Dr. Esther Jean Hyung Lee board certified?
Yes. Dr. Lee is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Esther Jean Hyung Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were anesthesia (00142).
Where did Dr. Esther Jean Hyung Lee go to medical school?
Dr. Lee graduated from Emory School of Medicine in 2010.
Has Dr. Esther Jean Hyung Lee received payments from drug or device companies?
CMS Open Payments shows $1,130 in general payments to Dr. Lee from 6 companies from 2017 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Esther Jean Hyung Lee been practicing?
Dr. Lee graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Esther Jean Hyung Lee accept?
Dr. Lee is in network with 12 carriers, including United Healthcare, Elevance and HCSC. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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