David Hyung Won Oh
- Medicare services, 2024
- 156
- Medicare patients, 2024
- 52
- Part D claims, 2024
- 29
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Practice address
- 757 Westwood Plaza, Los Angeles, CA 90095
- Practice phone
- Call (310) 825-6301
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find David Oh'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.
David Hyung Won Oh is a hospitalist in Los Angeles, California
David Oh practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.
David Oh's NPI, 1790312601, was assigned on March 23, 2020. David Oh graduated from Tufts University School Of Medicine in 2020. David Oh holds California license A178644.
- NPI
- 1790312601NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901280973
- NPI enumeration date
- March 23, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 825-6301
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David Hyung Won Oh practices at Ronald Reagan UCLA Medical Center in Los Angeles, California
David Oh's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.
- Ronald Reagan UCLA Medical Center757 Westwood Plaza, Los Angeles, CA 90095 · Los Angeles CountyPhone(310) 825-6301
Source: Dmand AI Affiliation Data
David Hyung Won Oh is affiliated with 2 sites of care and 2 medical groups
David Oh's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. David Oh is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links David Oh to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at David Hyung Won Oh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Oh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ronald Reagan UCLA Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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David Hyung Won Oh is one of 3,186 hospitalists in California
Hospitalist is David Oh's primary specialty in the NPI Registry, under taxonomy code 208M00000X. David Oh is board certified in hospice and palliative medicine by the American Board of Internal Medicine. David Oh is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near David Oh
Counts of hospitalists 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
David Hyung Won Oh billed Medicare for 156 services in 2024
CMS data shows 156 Medicare services from David Oh across 5 procedure codes in 2024, for 52 Medicare patients. Medicare paid $14,647 for them. Every service was in a facility, such as a hospital, rather than an office.
David Oh compared with the California median for hospitalists, 2024
- David Oh
- California median
- Medicare services
- 156vs 43064% below
- Medicare patients
- 52vs 20174% below
- Part D claims
- 104vs 6951% above
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
David Oh'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
David Hyung Won Oh treated 52 Medicare patients in 2024, average age 73
CMS counts 52 Medicare patients who saw David Oh in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high blood pressure, and 71% have anxiety. 54% are also on Medicaid. Their average risk score is 3.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts David Oh's median patient age at 58, with 47% women.
David Oh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Oh's Medicare patients by sex, 2024
- Women3262%
- Men2038%
Chronic conditions among David Oh's Medicare patients, 2024
- High blood pressure75%
- Anxiety71%
- Arthritis62%
- High cholesterol58%
- Chronic kidney disease52%
- Mood disorders46%
- Alzheimer's and dementia44%
- Heart failure42%
Share of Medicare patients with each condition. A patient can have several.
David Oh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David Hyung Won Oh wrote 29 Medicare Part D claims in 2024
In 2024, David Oh wrote 29 Medicare Part D claims for 15 patients. 97% of them were for generic drugs. They cover 6 drugs, with $1,607 in total drug cost. In 2022, CMS named 86 claims across 4 drugs.
David Oh's Part D claims by kind of drug, 2024
- Generic28 claims97%
- Brand-name and other1 claims3%
David Oh's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 862023: 10421%
Drugs named by CMS: 6 in 2023, 4 in 2022.
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
David Hyung Won Oh scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for David Oh for performance year 2024, reported as part of a group. David Oh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
David Oh's MIPS scores, performance year 2024
- 88of 100Final score
- 79.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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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David Hyung Won Oh graduated from Tufts University School Of Medicine
David Oh graduated from Tufts University School Of Medicine in 2020.
- Medical school
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
David Hyung Won Oh accepts plans from 1 insurance carrier
David Oh is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for David Hyung Won Oh'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) |
| 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 David Hyung Won Oh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David Hyung Won Oh's NPI number?
David Hyung Won Oh's NPI number is 1790312601. It was assigned on March 23, 2020, and it is active in the NPI Registry.
What does David Hyung Won Oh specialize in?
David Hyung Won Oh is a hospitalist in Los Angeles, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does David Hyung Won Oh practice?
David Oh practices at 757 Westwood Plaza, Los Angeles, CA 90095. David Oh's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dmand AI also links David Oh to 1 medical group.
What is David Hyung Won Oh's office phone number?
The practice phone on file for David Oh is (310) 825-6301.
What is David Hyung Won Oh's medical license number?
David Oh holds California license A178644.
Which hospitals is David Hyung Won Oh affiliated with?
David Oh practices at Ronald Reagan UCLA Medical Center in Los Angeles, California. David Oh is also affiliated with UCLA Santa Monica Medical Center.
What medical group is David Hyung Won Oh part of?
David Oh is linked to The Permanente Medical Group, Inc. Dmand AI links David Oh to 1 more medical group.
Does David Hyung Won Oh accept Medicare?
Yes. CMS data shows David Oh billed Medicare for 156 services in 2024, and David Oh accepts Medicare assignment.
What is David Hyung Won Oh's MIPS score?
David Oh's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does David Hyung Won Oh see?
CMS counts 52 Medicare patients who saw David Oh in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
Is David Hyung Won Oh board certified?
Yes. David Oh is board certified in hospice and palliative medicine by the American Board of Internal Medicine.
What services does David Hyung Won Oh bill to Medicare?
In 2024, David Oh's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99232).
Where did David Hyung Won Oh go to medical school?
David Oh graduated from Tufts University School Of Medicine in 2020.
What drugs does David Hyung Won Oh prescribe most?
In 2023 Medicare Part D data, David Oh's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
How long has David Hyung Won Oh been practicing?
David Oh graduated from medical school in 2020, 6 years ago.
What insurance does David Hyung Won Oh accept?
David Oh is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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