Won H. Oh, PA-C
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 112
- Hospital affiliations
- 3
- Industry payments
- $355
- Medical groups
- 3
- Practice address
- 5841 S Maryland Ave, Chicago, IL 60637
- Practice phone
- Call (773) 702-1530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The University of Chicago Medical Center
Chicago, Illinois
Find Won 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.
Won H. Oh is a physician assistant in Chicago, Illinois
Won Oh practices at The University of Chicago Medical Center in Chicago, Illinois.
Won Oh's NPI, 1053899138, was assigned on August 1, 2018. Won Oh holds Illinois license 085006591.
- NPI
- 1053899138NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719239920
- NPI enumeration date
- August 1, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Won H. Oh practices at The University of Chicago Medical Center in Chicago, Illinois
Won Oh's primary practice is The University of Chicago Medical Center, at 5841 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.
- The University of Chicago Medical Center5841 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Won H. Oh is affiliated with 7 sites of care and 3 medical groups
Won Oh's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Won Oh is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Won Oh to 2 more hospitals, 3 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 Won H. Oh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Won Oh practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Chicago Medical Center | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Won H. Oh is one of 4,299 physician assistants in Illinois
Physician assistant is Won Oh's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Won Oh is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Won Oh
Counts of physician assistants 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
Won H. Oh treated 24 Medicare patients in 2024, average age 73
CMS counts 24 Medicare patients who saw Won Oh in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Won Oh's median patient age at 72, with 36% women.
Chronic conditions among Won Oh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis54%
- Atrial fibrillation46%
Share of Medicare patients with each condition. A patient can have several.
Won 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 72
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Won H. Oh wrote 112 Medicare Part D claims in 2024
In 2024, Won Oh wrote 112 Medicare Part D claims for 29 patients. 99% of them were for generic drugs.
Won Oh's Part D claims by kind of drug, 2024
- Generic111 claims99%
- Brand-name and other1 claims1%
Drug classes CMS tracks in Won Oh's Part D claims, 2024
- Opioids22%25 of 112 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Won H. Oh offers telehealth to Medicare patients
Won Oh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Won Oh as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Won H. Oh received $355 in industry payments in 2025
CMS Open Payments shows 4 general payments to Won Oh from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $238.
Companies that paid Won Oh the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Won H. 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 | 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 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 (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) |
| 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 Won H. 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 Won H. Oh's NPI number?
Won H. Oh's NPI number is 1053899138. It was assigned on August 1, 2018, and it is active in the NPI Registry.
What does Won H. Oh specialize in?
Won H. Oh is a physician assistant in Chicago, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Won H. Oh practice?
Won Oh practices at 5841 S Maryland Ave, Chicago, IL 60637. Won Oh's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Dmand AI also links Won Oh to 2 hospitals, 3 group practices and clinics and 2 medical groups.
What is Won H. Oh's office phone number?
The practice phone on file for Won Oh is (773) 702-1530.
What is Won H. Oh's medical license number?
Won Oh holds Illinois license 085006591.
Which hospitals is Won H. Oh affiliated with?
Won Oh is affiliated with Northwestern Memorial Hospital. Dmand AI links Won Oh to 2 more hospitals.
What medical group is Won H. Oh part of?
Won Oh is linked to Northwestern Medical Faculty Foundation. Dmand AI links Won Oh to 2 more medical groups.
Does Won H. Oh accept Medicare?
Yes. CMS lists Won Oh as accepting Medicare assignment.
Does Won H. Oh offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Won Oh as offering telehealth services.
How many Medicare patients does Won H. Oh see?
CMS counts 24 Medicare patients who saw Won Oh in 2024, with an average age of 73.
Has Won H. Oh received payments from drug or device companies?
CMS Open Payments shows $355 in general payments to Won Oh from 2 companies from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Won H. Oh been practicing?
Won Oh graduated from medical school in 2018, 8 years ago.
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