Dr. Lucy Yusun Won, DO
- Medicare services, 2024
- 1,297
- Medicare patients, 2024
- 287
- Part D claims, 2024
- 4,814
- Industry payments
- $11,347
- Affiliated sites
- 2
- Practice address
- 520 N Main St, Santa Ana, CA 92701
- Practice phone
- Call (714) 352-5800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New Foundation Medical Inc.
Santa Ana, California
Find Dr. Won's professional email, personal email and mobile number
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Dr. Lucy Yusun Won is a psychiatrist in Santa Ana, California
Dr. Won practices at New Foundation Medical Inc. in Santa Ana, California.
Dr. Won's NPI, 1497172613, was assigned on March 26, 2014. Dr. Won graduated from Arizona College of Osteopathic Medicine - Glendale in 2014. Dr. Won holds California license 20A15920.
- NPI
- 1497172613NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012136021
- NPI enumeration date
- March 26, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 352-5800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lucy Yusun Won practices at New Foundation Medical Inc. in Santa Ana, California
Dr. Won's primary practice is New Foundation Medical Inc., at 520 N Main St, Santa Ana, CA 92701 in Orange County. The practice phone is (714) 352-5800.
- New Foundation Medical Inc.520 N Main St, Santa Ana, CA 92701 · Orange CountyPhone(714) 352-5800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lucy Yusun Won is affiliated with 3 sites of care and 3 medical groups
Dr. Won's primary practice is New Foundation Medical Inc. in Santa Ana, California. The medical group on file is New Foundation Medical Group. Dmand AI also links Dr. Won to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lucy Yusun Won's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Won practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New Foundation Medical Inc. | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lucy Yusun Won is one of 6,803 psychiatrists in California
Psychiatry is Dr. Won's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Won is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Won's licenses on file in 2 states: California and Nevada.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Nevada license
Clinical focus
Dmand AI lists ADHD, adjustment disease, anxiety, bipolar disorder, depression, insomnia, non-alzheimer's dementia (chronic) and schizophrenia among the conditions Dr. Won treats.
Psychiatrists near Dr. Won
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. Lucy Yusun Won billed Medicare for 1,297 services in 2024
CMS data shows 1,297 Medicare services from Dr. Won across 5 procedure codes in 2024, for 287 Medicare patients. Medicare paid $128,052 for them.
Dr. Won's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5972024: 1,212103%
- Tests and treatments
- 2023: 1872024: 8555%
Where Dr. Won's Medicare services took place, 2024
- In an office87267%
- In a facility42533%
Dr. Won compared with the California median for psychiatrists, 2024
- Dr. Won
- California median
- Medicare services
- 1,297vs 11910.9 times
- Medicare patients
- 287vs 417.0 times
- Part D claims
- 4,698vs 14432.6 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Won'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.
Need commercial claims for Dr. Won?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Won and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lucy Yusun Won treated 287 Medicare patients in 2024, average age 77
CMS counts 287 Medicare patients who saw Dr. Won in 2024. The largest group is 85 and over, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 83% are also on Medicaid. Their average risk score is 2.25, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Won's median patient age at 67, with 62% women.
Dr. Won's Medicare patients by age, 2024
Dr. Won's Medicare patients by sex, 2024
- Women18765%
- Men10035%
Chronic conditions among Dr. Won's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Depression70%
- Anxiety60%
- Arthritis59%
- Alzheimer's and dementia53%
- Diabetes47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Won's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lucy Yusun Won wrote 4,814 Medicare Part D claims in 2024
In 2024, Dr. Won wrote 4,814 Medicare Part D claims for 362 patients. 98% of them were for generic drugs. CMS names the drug for 4,698 of them, across 46 drugs with 11 or more claims each, at $125,531 in total drug cost. In 2023, CMS named 2,974 claims across 42 drugs.
Dr. Won's Part D claims by kind of drug, 2024
- Generic4,724 claims98%
- Brand-name90 claims2%
Dr. Won'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.
Drug classes CMS tracks in Dr. Won's Part D claims, 2024
- Antipsychotics, patients 65 and over10%484 of 4,814 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,9742024: 4,69858%
Drugs named by CMS: 46 in 2024, 42 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
Dr. Lucy Yusun Won offers telehealth to Medicare patients
Dr. Won accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Won as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Lucy Yusun Won received $11,347 in industry payments from 2016 to 2025
CMS Open Payments shows 602 general payments to Dr. Won from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $1,866.
General payments to Dr. Won by program year, 2016 to 2025
General payments to Dr. Won by kind, 2016 to 2025
- Food and beverage$11,343100%
- Education$30%
Companies that paid Dr. Won the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lucy Yusun Won graduated from Arizona College of Osteopathic Medicine - Glendale
Dr. Won graduated from Arizona College of Osteopathic Medicine - Glendale in 2014.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Lucy Yusun Won accepts plans from 8 insurance carriers
Dr. Won is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- United Healthcare
- CMS Medicare
- NV State Medicaid
Plan types Dr. Won accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lucy Yusun Won'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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) |
| 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. Lucy Yusun Won
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. Lucy Yusun Won's NPI number?
Dr. Lucy Yusun Won's NPI number is 1497172613. It was assigned on March 26, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Lucy Yusun Won?
Dr. Lucy Yusun Won is a psychiatrist in Santa Ana, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Lucy Yusun Won practice?
Dr. Won practices at 520 N Main St, Santa Ana, CA 92701. Dr. Won's primary practice is New Foundation Medical Inc. in Santa Ana, California. Dmand AI also links Dr. Won to 2 group practices and clinics and 2 medical groups.
What is Dr. Lucy Yusun Won's office phone number?
The practice phone on file for Dr. Won is (714) 352-5800.
What is Dr. Lucy Yusun Won's medical license number?
Dr. Won holds California license 20A15920, one of the licenses on file in 2 states.
Which states has Dr. Lucy Yusun Won been licensed in?
Dmand AI has state licenses on file for Dr. Won in California (2017 to 2027) and Nevada (2018).
What medical group is Dr. Lucy Yusun Won part of?
Dr. Won is linked to New Foundation Medical Group. Dmand AI links Dr. Won to 2 more medical groups.
Does Dr. Lucy Yusun Won accept Medicare?
Yes. CMS data shows Dr. Won billed Medicare for 1,297 services in 2024, and Dr. Won accepts Medicare assignment.
Does Dr. Lucy Yusun Won offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Won as offering telehealth services.
How many Medicare patients does Dr. Lucy Yusun Won see?
CMS counts 287 Medicare patients who saw Dr. Won in 2024, with an average age of 77.
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Is Dr. Lucy Yusun Won board certified?
Yes. Dr. Won is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Lucy Yusun Won bill to Medicare?
In 2024, Dr. Won's most billed Medicare services were nursing facility care (99309), office visit, established patient (99214) and nursing facility care (99306).
Where did Dr. Lucy Yusun Won go to medical school?
Dr. Won graduated from Arizona College of Osteopathic Medicine - Glendale in 2014.
What drugs does Dr. Lucy Yusun Won prescribe most?
In 2024 Medicare Part D data, Dr. Won's most prescribed drugs by claims were Escitalopram Oxalate, Sertraline HCl and Quetiapine Fumarate.
Has Dr. Lucy Yusun Won received payments from drug or device companies?
CMS Open Payments shows $11,347 in general payments to Dr. Won from 27 companies from 2016 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Lucy Yusun Won been practicing?
Dr. Won graduated from medical school in 2014, 12 years ago.
What insurance does Dr. Lucy Yusun Won accept?
Dr. Won is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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