Dr. Christine Jee-Yon Yoon, MD
- Medicare services, 2024
- 569
- Medicare patients, 2024
- 332
- Part D claims, 2024
- 158
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- 1798 N Garey Ave, Pomona, CA 91767
- Practice phone
- Call (909) 865-9500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yoon's professional email, personal email and mobile number
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Dr. Christine Jee-Yon Yoon is an emergency medicine physician in Pomona, California
Dr. Yoon practices at Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center.
Dr. Yoon's NPI, 1316250624, was assigned on July 16, 2010. Dr. Yoon graduated from David Geffen School of Medicine at UCLA in 2010. Dr. Yoon holds California license A118340.
- NPI
- 1316250624NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890940977
- NPI enumeration date
- July 16, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 865-9500
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christine Jee-Yon Yoon practices at Pomona Valley Hospital Medical Center in Pomona, California
Dr. Yoon's primary practice is Pomona Valley Hospital Medical Center, at 1798 N Garey Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (909) 865-9500.
- Pomona Valley Hospital Medical Center1798 N Garey Ave, Pomona, CA 91767 · Los Angeles CountyPhone(909) 865-9500
Source: Dmand AI Affiliation Data
Dr. Christine Jee-Yon Yoon is affiliated with 2 sites of care and 1 medical group
Dr. Yoon's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center. Dr. Yoon is also affiliated with Harbor-UCLA Medical Center. The medical group on file is Vituity.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christine Jee-Yon Yoon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yoon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pomona Valley Hospital Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Pomona Valley Hospital Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Christine Jee-Yon Yoon is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Yoon's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Yoon is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Yoon is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Yoon
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. Christine Jee-Yon Yoon billed Medicare for 569 services in 2024
CMS data shows 569 Medicare services from Dr. Yoon across 5 procedure codes in 2024, for 332 Medicare patients. Medicare paid $50,692 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yoon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1972024: 32967%
- Tests and treatments
- 2023: 1302024: 20054%
- Imaging
- 2023: 02024: 40
Dr. Yoon compared with the California median for emergency medicine physicians, 2024
- Dr. Yoon
- California median
- Medicare services
- 569vs 2652.1 times
- Medicare patients
- 332vs 24337% above
- Part D claims
- 57vs 628% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Yoon'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. Christine Jee-Yon Yoon treated 332 Medicare patients in 2024, average age 73
CMS counts 332 Medicare patients who saw Dr. Yoon in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 63% are also on Medicaid. Their average risk score is 3.06, 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. Yoon's median patient age at 46, with 55% women.
Dr. Yoon's Medicare patients by age, 2024
Dr. Yoon's Medicare patients by sex, 2024
- Women19458%
- Men13842%
Chronic conditions among Dr. Yoon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Arthritis48%
- Heart failure47%
- Ischemic heart disease46%
- Mood disorders46%
- Chronic kidney disease45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yoon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christine Jee-Yon Yoon wrote 158 Medicare Part D claims in 2024
In 2024, Dr. Yoon wrote 158 Medicare Part D claims for 109 patients. 92% of them were for generic drugs. CMS names the drug for 57 of them, across 3 drugs with 11 or more claims each, at $425 in total drug cost. In 2023, CMS named 42 claims across 3 drugs.
Dr. Yoon's Part D claims by kind of drug, 2024
- Generic146 claims92%
- Brand-name12 claims8%
Dr. Yoon'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. Yoon's Part D claims, 2024
- Opioids13%20 of 158 claims
- Antibiotics37%58 of 158 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: 422024: 5736%
Drugs named by CMS: 3 in 2024, 3 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. Christine Jee-Yon Yoon scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Yoon for performance year 2024, reported as part of a group. Dr. Yoon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Yoon's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Christine Jee-Yon Yoon received $373 in industry payments from 2016 to 2024
CMS Open Payments shows 3 general payments to Dr. Yoon from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Mallinckrodt Hospital Products Inc. paid the most, $146.
General payments to Dr. Yoon by program year, 2016 to 2024
Companies that paid Dr. Yoon the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christine Jee-Yon Yoon graduated from David Geffen School of Medicine at UCLA
Dr. Yoon graduated from David Geffen School of Medicine at UCLA in 2010.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Christine Jee-Yon Yoon accepts plans from 3 insurance carriers
Dr. Yoon is in network with 3 carriers, including CMS Medicare, Molina and NV State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- CMS Medicare
- Molina
- NV State Medicaid
Plan types Dr. Yoon accepts, by number of carriers
- Medicare2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Christine Jee-Yon Yoon'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)Clinician Public Reporting: Overall MIPS Performance (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. Christine Jee-Yon Yoon
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. Christine Jee-Yon Yoon's NPI number?
Dr. Christine Jee-Yon Yoon's NPI number is 1316250624. It was assigned on July 16, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Christine Jee-Yon Yoon?
Dr. Christine Jee-Yon Yoon is an emergency medicine physician in Pomona, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Christine Jee-Yon Yoon practice?
Dr. Yoon practices at 1798 N Garey Ave, Pomona, CA 91767. Dr. Yoon's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center.
What is Dr. Christine Jee-Yon Yoon's office phone number?
The practice phone on file for Dr. Yoon is (909) 865-9500.
What is Dr. Christine Jee-Yon Yoon's medical license number?
Dr. Yoon holds California license A118340.
Which hospitals is Dr. Christine Jee-Yon Yoon affiliated with?
Dr. Yoon practices at Pomona Valley Hospital Medical Center in Pomona, California. Dr. Yoon is also affiliated with Harbor-UCLA Medical Center.
What medical group is Dr. Christine Jee-Yon Yoon part of?
Dr. Yoon is linked to Vituity.
Does Dr. Christine Jee-Yon Yoon accept Medicare?
Yes. CMS data shows Dr. Yoon billed Medicare for 569 services in 2024, and Dr. Yoon accepts Medicare assignment.
What is Dr. Christine Jee-Yon Yoon's MIPS score?
Dr. Yoon's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Christine Jee-Yon Yoon see?
CMS counts 332 Medicare patients who saw Dr. Yoon in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
Is Dr. Christine Jee-Yon Yoon board certified?
Yes. Dr. Yoon is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Christine Jee-Yon Yoon bill to Medicare?
In 2024, Dr. Yoon's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and critical care (99291).
Where did Dr. Christine Jee-Yon Yoon go to medical school?
Dr. Yoon graduated from David Geffen School of Medicine at UCLA in 2010.
What drugs does Dr. Christine Jee-Yon Yoon prescribe most?
In 2024 Medicare Part D data, Dr. Yoon's most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Nitrofurantoin Mono-Macro.
Has Dr. Christine Jee-Yon Yoon received payments from drug or device companies?
CMS Open Payments shows $373 in general payments to Dr. Yoon from 3 companies from 2016 to 2024. The largest total came from Mallinckrodt Hospital Products Inc.
How long has Dr. Christine Jee-Yon Yoon been practicing?
Dr. Yoon graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Christine Jee-Yon Yoon accept?
Dr. Yoon is in network with 3 carriers, including CMS Medicare, Molina and NV State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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