Dr. Won Ki Chae, MD
- Medicare services, 2024
- 351
- Medicare patients, 2024
- 220
- Part D claims, 2024
- 133
- Hospital affiliations
- 4
- Industry payments
- $725
- Practice address
- 1050 Linden Ave, Long Beach, CA 90813
- Practice phone
- Call (562) 491-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chae'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. Won Ki Chae is an emergency medicine physician in Long Beach, California
Dr. Chae practices at Dignity Health - St. Mary Medical Center in Long Beach, California, part of CommonSpirit Health.
Dr. Chae's NPI, 1376789701, was assigned on January 7, 2009. Dr. Chae graduated from UC Davis School of Medicine in 2007. Dr. Chae holds California license A106398.
- NPI
- 1376789701NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224218714
- NPI enumeration date
- January 7, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 491-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Won Ki Chae practices at Dignity Health - St. Mary Medical Center in Long Beach, California
Dr. Chae's primary practice is Dignity Health - St. Mary Medical Center, at 1050 Linden Ave, Long Beach, CA 90813 in Los Angeles County. The practice phone is (562) 491-9000.
- Dignity Health - St. Mary Medical Center1050 Linden Ave, Long Beach, CA 90813 · Los Angeles CountyPhone(562) 491-9000
Source: Dmand AI Affiliation Data
Dr. Won Ki Chae is affiliated with 4 sites of care and 3 medical groups
Dr. Chae's primary practice is Dignity Health - St. Mary Medical Center in Long Beach, California, part of CommonSpirit Health. Dr. Chae is also affiliated with Olive View-UCLA Medical Center. The medical group on file is Vituity. Dmand AI also links Dr. Chae to 2 more hospitals and 2 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. Won Ki Chae's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chae practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. Mary Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Won Ki Chae is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Chae's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Chae is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Chae's licenses on file in 2 states: California and Kansas.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Kansas license
Emergency medicine physicians near Dr. Chae
Counts of emergency medicine physicians 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. Won Ki Chae billed Medicare for 351 services in 2024
CMS data shows 351 Medicare services from Dr. Chae across 4 procedure codes in 2024, for 220 Medicare patients. Medicare paid $32,088 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chae's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3202024: 21932%
- Tests and treatments
- 2023: 2122024: 13238%
Dr. Chae compared with the California median for emergency medicine physicians, 2024
- Dr. Chae
- California median
- Medicare services
- 351vs 26532% above
- Medicare patients
- 220vs 2439% below
- Part D claims
- 39vs 6237% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Chae'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chae and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Won Ki Chae treated 220 Medicare patients in 2024, average age 71
CMS counts 220 Medicare patients who saw Dr. Chae in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 78% are also on Medicaid. Their average risk score is 3.43, 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. Chae's median patient age at 43, with 52% women.
Dr. Chae's Medicare patients by age, 2024
Dr. Chae's Medicare patients by sex, 2024
- Women10246%
- Men11854%
Chronic conditions among Dr. Chae's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Mood disorders56%
- Diabetes55%
- Depression50%
- Chronic kidney disease47%
- Heart failure47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chae's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Won Ki Chae wrote 133 Medicare Part D claims in 2024
In 2024, Dr. Chae wrote 133 Medicare Part D claims for 81 patients. 95% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $167 in total drug cost. In 2023, CMS named 102 claims across 6 drugs.
Dr. Chae's Part D claims by kind of drug, 2024
- Generic126 claims95%
- Brand-name and other7 claims5%
Dr. Chae'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. Chae's Part D claims, 2024
- Opioids26%35 of 133 claims
- Antibiotics28%37 of 133 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: 1022024: 3962%
Drugs named by CMS: 2 in 2024, 6 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
How Dr. Won Ki Chae takes part in Medicare
Dr. Chae accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Won Ki Chae received $725 in industry payments from 2016 to 2019
CMS Open Payments shows 13 general payments to Dr. Chae from 6 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $300.
General payments to Dr. Chae by program year, 2016 to 2019
Companies that paid Dr. Chae the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Won Ki Chae graduated from UC Davis School of Medicine
Dr. Chae graduated from UC Davis School of Medicine in 2007.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Won Ki Chae accepts plans from 5 insurance carriers
Dr. Chae is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Chae accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Won Ki Chae'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) |
| 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. Won Ki Chae
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. Won Ki Chae's NPI number?
Dr. Won Ki Chae's NPI number is 1376789701. It was assigned on January 7, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Won Ki Chae?
Dr. Won Ki Chae is an emergency medicine physician in Long Beach, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Won Ki Chae practice?
Dr. Chae practices at 1050 Linden Ave, Long Beach, CA 90813. Dr. Chae's primary practice is Dignity Health - St. Mary Medical Center in Long Beach, California, part of CommonSpirit Health. Dmand AI also links Dr. Chae to 2 hospitals and 2 medical groups.
What is Dr. Won Ki Chae's office phone number?
The practice phone on file for Dr. Chae is (562) 491-9000.
What is Dr. Won Ki Chae's medical license number?
Dr. Chae holds California license A106398, one of the licenses on file in 2 states.
Which states has Dr. Won Ki Chae been licensed in?
Dmand AI has state licenses on file for Dr. Chae in California (2009 to 2026) and Kansas (2015 to 2016).
Which hospitals is Dr. Won Ki Chae affiliated with?
Dr. Chae practices at Dignity Health - St. Mary Medical Center in Long Beach, California. Dr. Chae is also affiliated with Olive View-UCLA Medical Center. Dmand AI links Dr. Chae to 2 more hospitals.
What medical group is Dr. Won Ki Chae part of?
Dr. Chae is linked to Vituity. Dmand AI links Dr. Chae to 2 more medical groups.
Does Dr. Won Ki Chae accept Medicare?
Yes. CMS data shows Dr. Chae billed Medicare for 351 services in 2024, and Dr. Chae accepts Medicare assignment.
How many Medicare patients does Dr. Won Ki Chae see?
CMS counts 220 Medicare patients who saw Dr. Chae in 2024, with an average age of 71.
Show 7 more questionsShow fewer questions
Is Dr. Won Ki Chae board certified?
Yes. Dr. Chae is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Won Ki Chae bill to Medicare?
In 2024, Dr. Chae's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and critical care (99291).
Where did Dr. Won Ki Chae go to medical school?
Dr. Chae graduated from UC Davis School of Medicine in 2007.
What drugs does Dr. Won Ki Chae prescribe most?
In 2024 Medicare Part D data, Dr. Chae's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Ondansetron ODT.
Has Dr. Won Ki Chae received payments from drug or device companies?
CMS Open Payments shows $725 in general payments to Dr. Chae from 6 companies from 2016 to 2019. The largest total came from Allergan Inc.
How long has Dr. Won Ki Chae been practicing?
Dr. Chae graduated from medical school in 2007, 19 years ago.
What insurance does Dr. Won Ki Chae accept?
Dr. Chae is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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