Dr. Il Jun Chon, MD
- Medicare services, 2024
- 480
- Medicare patients, 2024
- 167
- Part D claims, 2024
- 5,482
- Hospital affiliations
- 3
- Industry payments
- $992
- Practice address
- 75 Park Street, Elizabethtown, NY 12932
- Practice phone
- Call (518) 873-6377
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chon'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. Il Jun Chon is an internist in Elizabethtown, New York
Dr. Chon practices at Elizabethtown Community Hospital in Elizabethtown, New York, part of University of Vermont Health Network.
Dr. Chon's NPI, 1538173869, was assigned on July 29, 2006. Dr. Chon graduated from Medical College of Pennsylvania in 1998. Dr. Chon holds Pennsylvania license MD073540L.
- NPI
- 1538173869NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547299091
- NPI enumeration date
- July 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (518) 873-6377
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Il Jun Chon practices at Elizabethtown Community Hospital in Elizabethtown, New York
Dr. Chon's primary practice is Elizabethtown Community Hospital, at 75 Park Street, Elizabethtown, NY 12932 in Essex County. The practice phone is (518) 873-6377.
- Elizabethtown Community Hospital75 Park Street, Elizabethtown, NY 12932 · Essex CountyPhone(518) 873-6377
Source: Dmand AI Affiliation Data
Dr. Il Jun Chon is affiliated with 5 sites of care and 6 medical groups
Dr. Chon's primary practice is Elizabethtown Community Hospital in Elizabethtown, New York, part of University of Vermont Health Network. Dr. Chon is also affiliated with Champlain Valley Physicians Hospital. The medical group on file is ECH Physician's Group. Dmand AI also links Dr. Chon to 1 more hospital, 5 medical groups and 2 group practices and clinics, each named with a free account. Dr. Chon's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Il Jun Chon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chon practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elizabethtown Community Hospital | Available with a free account |
| +4 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Vermont Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Il Jun Chon is one of 9,643 internists in New York
Internal medicine is Dr. Chon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chon is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Chon
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. Il Jun Chon billed Medicare for 480 services in 2024
CMS data shows 480 Medicare services from Dr. Chon across 11 procedure codes in 2024, for 167 Medicare patients. Medicare paid $34,156 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3862024: 48024%
Dr. Chon compared with the New York median for internists, 2024
- Dr. Chon
- New York median
- Medicare services
- 480vs 42613% above
- Medicare patients
- 167vs 1586% above
- Part D claims
- 4,848vs 6227.8 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Chon'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. Chon and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Il Jun Chon treated 167 Medicare patients in 2024, average age 81
CMS counts 167 Medicare patients who saw Dr. Chon in 2024. The largest group is 85 and over, with 71 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.87, 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. Chon's median patient age at 77, with 59% women.
Dr. Chon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chon's Medicare patients by sex, 2024
- Women9154%
- Men7646%
Chronic conditions among Dr. Chon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Ischemic heart disease47%
- Heart failure46%
- Chronic kidney disease43%
- Arthritis42%
- Diabetes42%
- COPD39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Il Jun Chon wrote 5,482 Medicare Part D claims in 2024
In 2024, Dr. Chon wrote 5,482 Medicare Part D claims for 531 patients. 85% of them were for generic drugs. CMS names the drug for 4,848 of them, across 109 drugs with 11 or more claims each, at $461,036 in total drug cost. In 2023, CMS named 3,660 claims across 97 drugs.
Dr. Chon's Part D claims by kind of drug, 2024
- Generic4,681 claims85%
- Brand-name750 claims14%
- Other51 claims1%
Dr. Chon'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. Chon's Part D claims, 2024
- Opioids5%251 of 5,482 claims
- Antibiotics3%176 of 5,482 claims
- Antipsychotics, patients 65 and over0%26 of 5,482 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: 3,6602024: 4,84832%
Drugs named by CMS: 109 in 2024, 97 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. Il Jun Chon takes part in Medicare
Dr. Chon 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. Il Jun Chon received $992 in industry payments from 2022 to 2025
CMS Open Payments shows 50 general payments to Dr. Chon from 6 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $550.
General payments to Dr. Chon by program year, 2022 to 2025
Companies that paid Dr. Chon the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Il Jun Chon graduated from Medical College of Pennsylvania
Dr. Chon graduated from Medical College of Pennsylvania in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Il Jun Chon'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) |
| 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. Il Jun Chon
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. Il Jun Chon's NPI number?
Dr. Il Jun Chon's NPI number is 1538173869. It was assigned on July 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Il Jun Chon?
Dr. Il Jun Chon is an internist in Elizabethtown, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Il Jun Chon practice?
Dr. Chon practices at 75 Park Street, Elizabethtown, NY 12932. Dr. Chon's primary practice is Elizabethtown Community Hospital in Elizabethtown, New York, part of University of Vermont Health Network. Dmand AI also links Dr. Chon to 1 hospital, 5 medical groups and 2 group practices and clinics.
What is Dr. Il Jun Chon's office phone number?
The practice phone on file for Dr. Chon is (518) 873-6377.
What is Dr. Il Jun Chon's medical license number?
Dr. Chon holds Pennsylvania license MD073540L.
Which hospitals is Dr. Il Jun Chon affiliated with?
Dr. Chon practices at Elizabethtown Community Hospital in Elizabethtown, New York. Dr. Chon is also affiliated with Champlain Valley Physicians Hospital. Dmand AI links Dr. Chon to 1 more hospital.
What medical group is Dr. Il Jun Chon part of?
Dr. Chon is linked to ECH Physician's Group. Dmand AI links Dr. Chon to 5 more medical groups.
Does Dr. Il Jun Chon accept Medicare?
Yes. CMS data shows Dr. Chon billed Medicare for 480 services in 2024, and Dr. Chon accepts Medicare assignment.
How many Medicare patients does Dr. Il Jun Chon see?
CMS counts 167 Medicare patients who saw Dr. Chon in 2024, with an average age of 81.
What services does Dr. Il Jun Chon bill to Medicare?
In 2024, Dr. Chon's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Il Jun Chon go to medical school?
Dr. Chon graduated from Medical College of Pennsylvania in 1998.
What drugs does Dr. Il Jun Chon prescribe most?
In 2024 Medicare Part D data, Dr. Chon's most prescribed drugs by claims were Omeprazole, Atorvastatin Calcium and Lisinopril.
Has Dr. Il Jun Chon received payments from drug or device companies?
CMS Open Payments shows $992 in general payments to Dr. Chon from 6 companies from 2022 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Il Jun Chon been practicing?
Dr. Chon graduated from medical school in 1998, 28 years ago.
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