Dr. Wonil Tae, MD
- Medicare services, 2024
- 1,185
- Medicare patients, 2024
- 322
- Part D claims, 2024
- 5,175
- Hospital affiliations
- 5
- Industry payments
- $49
- Practice address
- 2 St Anthonys Way, Alton, IL 62002
- Practice phone
- Call (309) 683-5050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSF Multi-Specialty Group
Alton, Illinois
Find Dr. Tae'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. Wonil Tae is an internist in Alton, Illinois
Dr. Tae practices at OSF Multi-Specialty Group in Alton, Illinois.
Dr. Tae's NPI, 1336301779, was assigned on June 26, 2008. Dr. Tae holds Alabama license 30927.
- NPI
- 1336301779NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416002035
- NPI enumeration date
- June 26, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (309) 683-5050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wonil Tae practices at OSF Multi-Specialty Group in Alton, Illinois
Dr. Tae's primary practice is OSF Multi-Specialty Group, at 2 St Anthonys Way, Alton, IL 62002 in Madison County. The practice phone is (309) 683-5050.
- OSF Multi-Specialty Group2 St Anthonys Way, Alton, IL 62002 · Madison CountyPhone(309) 683-5050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Wonil Tae is affiliated with 7 sites of care and 1 medical group
Dr. Tae's primary practice is OSF Multi-Specialty Group in Alton, Illinois. Dr. Tae is also affiliated with Alton Memorial Hospital. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Tae to 4 more hospitals and 1 group practice or clinic, 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 Dr. Wonil Tae's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tae practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF Multi-Specialty Group | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wonil Tae is one of 5,652 internists in Illinois
Internal medicine is Dr. Tae's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tae is licensed in Alabama.
Specialties and state licenses
- Internal medicine, AlabamaPrimary
Internists near Dr. Tae
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. Wonil Tae billed Medicare for 1,185 services in 2024
CMS data shows 1,185 Medicare services from Dr. Tae across 6 procedure codes in 2024, for 322 Medicare patients. Medicare paid $64,018 for them. Every service was in an office.
Dr. Tae's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7712024: 7207%
- Lab and pathology
- 2023: 4202024: 3858%
- Tests and treatments
- 2023: 02024: 80
Dr. Tae compared with the Illinois median for internists, 2024
- Dr. Tae
- Illinois median
- Medicare services
- 1,185vs 5662.1 times
- Medicare patients
- 322vs 20855% above
- Part D claims
- 4,825vs 28417.0 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Tae'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. Tae and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wonil Tae treated 322 Medicare patients in 2024, average age 70
CMS counts 322 Medicare patients who saw Dr. Tae in 2024. The largest group is 65 to 74, with 153 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.62, 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. Tae's median patient age at 66, with 61% women.
Dr. Tae's Medicare patients by age, 2024
Dr. Tae's Medicare patients by sex, 2024
- Women18357%
- Men13943%
Chronic conditions among Dr. Tae's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes74%
- Arthritis45%
- Ischemic heart disease34%
- Chronic kidney disease28%
- Heart failure27%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tae's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wonil Tae wrote 5,175 Medicare Part D claims in 2024
In 2024, Dr. Tae wrote 5,175 Medicare Part D claims for 632 patients. 30% of them were for generic drugs. CMS names the drug for 4,825 of them, across 57 drugs with 11 or more claims each, at $3,065,662 in total drug cost. In 2023, CMS named 4,443 claims across 61 drugs.
Dr. Tae's Part D claims by kind of drug, 2024
- Generic1,547 claims30%
- Brand-name3,030 claims59%
- Other598 claims12%
Dr. Tae'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,4432024: 4,8259%
Drugs named by CMS: 57 in 2024, 61 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. Wonil Tae takes part in Medicare
Dr. Tae 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. Wonil Tae received $49 in industry payments from 2016 to 2022
CMS Open Payments shows 3 general payments to Dr. Tae from 3 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. The Medicines Company paid the most, $21.
General payments to Dr. Tae by program year, 2016 to 2022
Companies that paid Dr. Tae the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Wonil Tae'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 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) |
| 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. Wonil Tae
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. Wonil Tae's NPI number?
Dr. Wonil Tae's NPI number is 1336301779. It was assigned on June 26, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Wonil Tae?
Dr. Wonil Tae is an internist in Alton, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Wonil Tae practice?
Dr. Tae practices at 2 St Anthonys Way, Alton, IL 62002. Dr. Tae's primary practice is OSF Multi-Specialty Group in Alton, Illinois. Dmand AI also links Dr. Tae to 4 hospitals and 1 group practice or clinic.
What is Dr. Wonil Tae's office phone number?
The practice phone on file for Dr. Tae is (309) 683-5050.
What is Dr. Wonil Tae's medical license number?
Dr. Tae holds Alabama license 30927.
Which hospitals is Dr. Wonil Tae affiliated with?
Dr. Tae is affiliated with Alton Memorial Hospital. Dmand AI links Dr. Tae to 4 more hospitals.
What medical group is Dr. Wonil Tae part of?
Dr. Tae is linked to OSF Multi-Specialty Group.
Does Dr. Wonil Tae accept Medicare?
Yes. CMS data shows Dr. Tae billed Medicare for 1,185 services in 2024, and Dr. Tae accepts Medicare assignment.
How many Medicare patients does Dr. Wonil Tae see?
CMS counts 322 Medicare patients who saw Dr. Tae in 2024, with an average age of 70.
What services does Dr. Wonil Tae bill to Medicare?
In 2024, Dr. Tae's most billed Medicare services were office visit, established patient (99214), lab and pathology test (83036) and office visit, established patient (99213).
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What drugs does Dr. Wonil Tae prescribe most?
In 2024 Medicare Part D data, Dr. Tae's most prescribed drugs by claims were Ozempic, Lantus Solostar and Mounjaro.
Has Dr. Wonil Tae received payments from drug or device companies?
CMS Open Payments shows $49 in general payments to Dr. Tae from 3 companies from 2016 to 2022. The largest total came from The Medicines Company.
How long has Dr. Wonil Tae been practicing?
Dr. Tae graduated from medical school in 1997, 29 years ago.
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