Dr. Sylvia Seokhee Yong, MD
- Part D claims, 2024
- 40
- Industry payments
- $1,355
- State licenses
- 2
- Year NPI issued
- 2019
- Practice address
- 1000 N Westmoreland Rd, Lake Forest, IL 60045
- Practice phone
- Call (847) 234-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Catherine Gratz Griffin Lake Forest Hospital
Lake Forest, Illinois
Find Dr. Yong'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. Sylvia Seokhee Yong is an internist in Lake Forest, Illinois
Dr. Yong practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
Dr. Yong's NPI, 1861953507, was assigned on March 26, 2019. Dr. Yong graduated from Univ of Central Florida, College of Medicine in 2019. Dr. Yong holds Illinois license 036.161336.
- NPI
- 1861953507NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628459682
- NPI enumeration date
- March 26, 2019
- NPI status
- Active
- Practice phone
- (847) 234-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Sylvia Seokhee Yong practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois
Dr. Yong's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital, at 1000 N Westmoreland Rd, Lake Forest, IL 60045 in Lake County. The practice phone is (847) 234-5600.
- Northwestern Catherine Gratz Griffin Lake Forest Hospital1000 N Westmoreland Rd, Lake Forest, IL 60045 · Lake CountyPhone(847) 234-5600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sylvia Seokhee Yong is affiliated with 1 site of care
Dr. Yong's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Sylvia Seokhee Yong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Catherine Gratz Griffin Lake Forest Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sylvia Seokhee Yong is one of 5,652 internists in Illinois
Internal medicine is Dr. Yong's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Yong's licenses on file in 2 states: Illinois and Alabama.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
- Alabama license
Internists near Dr. Yong
Counts of internists 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. Sylvia Seokhee Yong's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Yong's median patient age at 70, with 50% women.
Dr. Yong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Sylvia Seokhee Yong wrote 40 Medicare Part D claims in 2024
In 2024, Dr. Yong wrote 40 Medicare Part D claims for 15 patients. Every claim was for a generic drug. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $82 in total drug cost.
Dr. Yong's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Dr. Sylvia Seokhee Yong received $1,355 in industry payments from 2023 to 2025
CMS Open Payments shows 15 general payments to Dr. Yong from 6 drug and device companies from 2023 to 2025. Travel and lodging make up the largest share, 62% of the total. Medtronic, Inc. paid the most, $999.
General payments to Dr. Yong by program year, 2023 to 2025
General payments to Dr. Yong by kind, 2023 to 2025
- Travel and lodging$84762%
- Food and beverage$50838%
Companies that paid Dr. Yong the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sylvia Seokhee Yong graduated from Univ of Central Florida, College of Medicine
Dr. Yong graduated from Univ of Central Florida, College of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sylvia Seokhee Yong'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Sylvia Seokhee Yong
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. Sylvia Seokhee Yong's NPI number?
Dr. Sylvia Seokhee Yong's NPI number is 1861953507. It was assigned on March 26, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Sylvia Seokhee Yong?
Dr. Sylvia Seokhee Yong is an internist in Lake Forest, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sylvia Seokhee Yong practice?
Dr. Yong practices at 1000 N Westmoreland Rd, Lake Forest, IL 60045. Dr. Yong's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
What is Dr. Sylvia Seokhee Yong's office phone number?
The practice phone on file for Dr. Yong is (847) 234-5600.
What is Dr. Sylvia Seokhee Yong's medical license number?
Dr. Yong holds Illinois license 036.161336, one of the licenses on file in 2 states.
Which states has Dr. Sylvia Seokhee Yong been licensed in?
Dmand AI has state licenses on file for Dr. Yong in Illinois and Alabama.
Where did Dr. Sylvia Seokhee Yong go to medical school?
Dr. Yong graduated from Univ of Central Florida, College of Medicine in 2019.
What drugs does Dr. Sylvia Seokhee Yong prescribe most?
In 2022 Medicare Part D data, Dr. Yong's most prescribed drugs by claims were Omeprazole.
Has Dr. Sylvia Seokhee Yong received payments from drug or device companies?
CMS Open Payments shows $1,355 in general payments to Dr. Yong from 6 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Sylvia Seokhee Yong been practicing?
Dr. Yong graduated from medical school in 2019, 7 years ago.
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