Dr. Mark Sunung Khil, MD

  • Quincy, IL
  • Radiation oncologist
NPI1851398598PAC ID9436048311
Medicare services, 2024
880
Medicare patients, 2024
116
Part D claims, 2024
69
Hospital affiliations
2
Industry payments
$1,036
Practice address
1005 Broadway St, Quincy, IL 62301
Practice phone
Call (217) 223-1200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Blessing Hospital

Hospital · Quincy, Illinois

See all 4 affiliations

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Dr. Mark Sunung Khil is a radiation oncologist in Quincy, Illinois

Dr. Khil practices at Blessing Hospital in Quincy, Illinois, part of Blessing Health System.

Dr. Khil's NPI, 1851398598, was assigned on July 7, 2005. Dr. Khil holds Illinois license 036105011.

NPI and contact details
Medicare PAC ID
9436048311
NPI enumeration date
July 7, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(217) 223-1200
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
74
Medical school graduation
1978

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mark Sunung Khil practices at Blessing Hospital in Quincy, Illinois

Dr. Khil's primary practice is Blessing Hospital, at 1005 Broadway St, Quincy, IL 62301 in Adams County. The practice phone is (217) 223-1200.

  • Blessing Hospital
    1005 Broadway St, Quincy, IL 62301 · Adams CountyPhone(217) 223-1200

Source: Dmand AI Affiliation Data

Dr. Mark Sunung Khil is affiliated with 2 sites of care and 2 medical groups

Dr. Khil's primary practice is Blessing Hospital in Quincy, Illinois, part of Blessing Health System. Dr. Khil is also affiliated with Javon Bea Hospital-Riverside. The medical group on file is Blessing Hospital. Dmand AI also links Dr. Khil to 1 more medical group, named with a free account. Dr. Khil's employer is on file too: a hospital.

See all 4 affiliations for Dr. Khil

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mark Sunung Khil's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Khil practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Blessing HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark Sunung Khil is one of 243 radiation oncologists in Illinois

Radiation oncology is Dr. Khil's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Khil is licensed in Illinois.

Specialties and state licenses

  • Radiation oncology, IllinoisPrimaryLicense 036105011 · taxonomy 2085R0001X

Radiation oncologists near Dr. Khil

Counts of radiation oncologists 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. Mark Sunung Khil billed Medicare for 880 services in 2024

CMS data shows 880 Medicare services from Dr. Khil across 12 procedure codes in 2024, for 116 Medicare patients. Medicare paid $57,895 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024880
Medicare patients116
Paid by Medicare$57,895
Procedure codes12

Dr. Khil's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 1,1942024: 78434%
Office and hospital visits
2023: 1272024: 9624%

Dr. Khil compared with the Illinois median for radiation oncologists, 2024

  • Dr. Khil
  • Illinois median
Medicare services
880vs 1,45940% below
Medicare patients
116vs 17634% below
Part D claims
12vs 3465% below

Medians across 231 radiation oncologists in Illinois with Dmand AI profiles that report each measure.

Dr. Khil'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.

See all procedures by Dr. Khil

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mark Sunung Khil treated 116 Medicare patients in 2024, average age 74

CMS counts 116 Medicare patients who saw Dr. Khil in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have cancer, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.85, 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. Khil's median patient age at 76, with 44% women.

Medicare patients, 2024116
Average age74
Average risk score1.85
Also on Medicaid16%

Dr. Khil's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Khil's Medicare patients by sex, 2024

  • Women4640%
  • Men7060%

Chronic conditions among Dr. Khil's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol71%
  4. Arthritis45%
  5. COPD41%
  6. Diabetes35%
  7. Chronic kidney disease32%
  8. Atrial fibrillation28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Khil's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women44%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mark Sunung Khil wrote 69 Medicare Part D claims in 2024

In 2024, Dr. Khil wrote 69 Medicare Part D claims for 33 patients. 72% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $275 in total drug cost. In 2022, CMS named 12 claims across 1 drug.

Part D claims, 202469
Drugs named by CMS1
Total drug cost$275
Part D patients33

Dr. Khil's Part D claims by kind of drug, 2024

  • Generic50 claims72%
  • Brand-name19 claims28%

Dr. Khil'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. Khil's Part D claims, 2024

  • Opioids17%12 of 69 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, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 122024: 12No change

Drugs named by CMS: 1 in 2024, 1 in 2022.

See all prescribing by Dr. Khil

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. Mark Sunung Khil takes part in Medicare

Dr. Khil 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. Mark Sunung Khil received $1,036 in industry payments from 2016 to 2025

CMS Open Payments shows 28 general payments to Dr. Khil from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 74% of the total. Elekta, Inc. paid the most, $200.

General payments to Dr. Khil by program year, 2016 to 2025

General payments to Dr. Khil by kind, 2016 to 2025

$1Kin total
  • Food and beverage$76674%
  • Travel and lodging$27026%

Companies that paid Dr. Khil the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Khil

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Mark Sunung Khil's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mark Sunung Khil

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. Mark Sunung Khil's NPI number?

Dr. Mark Sunung Khil's NPI number is 1851398598. It was assigned on July 7, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Sunung Khil?

Dr. Mark Sunung Khil is a radiation oncologist in Quincy, Illinois. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Mark Sunung Khil practice?

Dr. Khil practices at 1005 Broadway St, Quincy, IL 62301. Dr. Khil's primary practice is Blessing Hospital in Quincy, Illinois, part of Blessing Health System. Dmand AI also links Dr. Khil to 1 medical group.

What is Dr. Mark Sunung Khil's office phone number?

The practice phone on file for Dr. Khil is (217) 223-1200.

What is Dr. Mark Sunung Khil's medical license number?

Dr. Khil holds Illinois license 036105011.

Which hospitals is Dr. Mark Sunung Khil affiliated with?

Dr. Khil practices at Blessing Hospital in Quincy, Illinois. Dr. Khil is also affiliated with Javon Bea Hospital-Riverside.

What medical group is Dr. Mark Sunung Khil part of?

Dr. Khil is linked to Blessing Hospital. Dmand AI links Dr. Khil to 1 more medical group.

Does Dr. Mark Sunung Khil accept Medicare?

Yes. CMS data shows Dr. Khil billed Medicare for 880 services in 2024, and Dr. Khil accepts Medicare assignment.

How many Medicare patients does Dr. Mark Sunung Khil see?

CMS counts 116 Medicare patients who saw Dr. Khil in 2024, with an average age of 74.

What services does Dr. Mark Sunung Khil bill to Medicare?

In 2024, Dr. Khil's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).

Show 3 more questionsShow fewer questions

What drugs does Dr. Mark Sunung Khil prescribe most?

In 2024 Medicare Part D data, Dr. Khil's most prescribed drugs by claims were Ssd.

Has Dr. Mark Sunung Khil received payments from drug or device companies?

CMS Open Payments shows $1,036 in general payments to Dr. Khil from 15 companies from 2016 to 2025. The largest total came from Elekta, Inc.

How long has Dr. Mark Sunung Khil been practicing?

Dr. Khil graduated from medical school in 1978, 48 years ago.

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