Dr. Ru-Ik Chee, MD
- Medicare services, 2024
- 16,706
- Medicare patients, 2024
- 543
- Part D claims, 2024
- 260
- MIPS score, 2024
- 99
- Hospital affiliations
- 1
- Practice address
- 8780 West Golf Rd, Niles, IL 60714
- Practice phone
- Call (847) 485-9990
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Retina Surgery Center - Niles
Surgery Center - Medicare-Certified · Niles, Illinois
Find Dr. Chee's professional email, personal email and mobile number
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Dr. Ru-Ik Chee is a general surgeon in Niles, Illinois
Dr. Chee practices at Retina Surgery Center - Niles in Niles, Illinois.
Dr. Chee's NPI, 1609218361, was assigned on July 23, 2013. Dr. Chee holds Pennsylvania license MT205328.
- NPI
- 1609218361NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759653223
- NPI enumeration date
- July 23, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 485-9990
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ru-Ik Chee practices at Retina Surgery Center - Niles in Niles, Illinois
Dr. Chee's primary practice is Retina Surgery Center - Niles, at 8780 West Golf Rd, Niles, IL 60714. The practice phone is (847) 485-9990.
- Retina Surgery Center - Niles8780 West Golf Rd, Niles, IL 60714Phone(847) 485-9990
Source: Dmand AI Affiliation Data
Dr. Ru-Ik Chee is affiliated with 2 sites of care and 2 medical groups
Dr. Chee's primary practice is Retina Surgery Center - Niles in Niles, Illinois. Dr. Chee is also affiliated with Advocate Lutheran General Hospital. The medical group on file is University of Illinois Physicians Group (UIPG). Dmand AI also links Dr. Chee to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ru-Ik Chee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chee practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Retina Surgery Center - Niles | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ru-Ik Chee is one of 1,217 general surgeons in Illinois
Surgery is Dr. Chee's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chee is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Chee
Counts of general surgeons 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. Ru-Ik Chee billed Medicare for 16,706 services in 2024
CMS data shows 16,706 Medicare services from Dr. Chee across 12 procedure codes in 2024, for 543 Medicare patients. Medicare paid $1,111,321 for them. Every service was in an office.
Dr. Chee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 9,3502024: 12,07929%
- Tests and treatments
- 2023: 3,6932024: 3,9617%
- Surgery
- 2023: 5912024: 6154%
- Imaging
- 2023: 512024: 51No change
Dr. Chee compared with the Illinois median for general surgeons, 2024
- Dr. Chee
- Illinois median
- Medicare services
- 16,706vs 19486.1 times
- Medicare patients
- 543vs 1443.8 times
- Part D claims
- 236vs 288.4 times
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Chee'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ru-Ik Chee treated 543 Medicare patients in 2024, average age 76
CMS counts 543 Medicare patients who saw Dr. Chee in 2024. The largest group is 65 to 74, with 242 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.63, 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. Chee's median patient age at 71, with 52% women.
Dr. Chee's Medicare patients by age, 2024
Dr. Chee's Medicare patients by sex, 2024
- Women29254%
- Men25146%
Chronic conditions among Dr. Chee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes41%
- Chronic kidney disease28%
- Ischemic heart disease28%
- Mood disorders22%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ru-Ik Chee wrote 260 Medicare Part D claims in 2024
In 2024, Dr. Chee wrote 260 Medicare Part D claims for 69 patients. 77% of them were for generic drugs. CMS names the drug for 236 of them, across 6 drugs with 11 or more claims each, at $5,966 in total drug cost. In 2023, CMS named 160 claims across 6 drugs.
Dr. Chee's Part D claims by kind of drug, 2024
- Generic201 claims77%
- Brand-name59 claims23%
Dr. Chee'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: 1602024: 23648%
Drugs named by CMS: 6 in 2024, 6 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
Dr. Ru-Ik Chee scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Chee for performance year 2024, reported as part of a group. Dr. Chee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chee's MIPS scores, performance year 2024
- 99of 100Final score
- 97.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Ru-Ik Chee received $9,321 in industry payments from 2016 to 2022
CMS Open Payments shows 43 general payments to Dr. Chee from 8 drug and device companies from 2016 to 2022. Consulting fees make up the largest share, 43% of the total. Allergan Inc. paid the most, $4,610.
General payments to Dr. Chee by program year, 2016 to 2022
General payments to Dr. Chee by kind, 2016 to 2022
- Consulting fees$4,00043%
- Food and beverage$3,30135%
- Travel and lodging$1,94721%
- Education$731%
Companies that paid Dr. Chee 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. Ru-Ik Chee'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Ru-Ik Chee
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. Ru-Ik Chee's NPI number?
Dr. Ru-Ik Chee's NPI number is 1609218361. It was assigned on July 23, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ru-Ik Chee?
Dr. Ru-Ik Chee is a general surgeon in Niles, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Ru-Ik Chee practice?
Dr. Chee practices at 8780 West Golf Rd, Niles, IL 60714. Dr. Chee's primary practice is Retina Surgery Center - Niles in Niles, Illinois. Dmand AI also links Dr. Chee to 1 medical group.
What is Dr. Ru-Ik Chee's office phone number?
The practice phone on file for Dr. Chee is (847) 485-9990.
What is Dr. Ru-Ik Chee's medical license number?
Dr. Chee holds Pennsylvania license MT205328.
Which hospitals is Dr. Ru-Ik Chee affiliated with?
Dr. Chee is affiliated with Advocate Lutheran General Hospital.
What medical group is Dr. Ru-Ik Chee part of?
Dr. Chee is linked to University of Illinois Physicians Group (UIPG). Dmand AI links Dr. Chee to 1 more medical group.
Does Dr. Ru-Ik Chee accept Medicare?
Yes. CMS data shows Dr. Chee billed Medicare for 16,706 services in 2024, and Dr. Chee accepts Medicare assignment.
What is Dr. Ru-Ik Chee's MIPS score?
Dr. Chee's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ru-Ik Chee see?
CMS counts 543 Medicare patients who saw Dr. Chee in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Ru-Ik Chee bill to Medicare?
In 2024, Dr. Chee's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and eye exam or test (92014).
What drugs does Dr. Ru-Ik Chee prescribe most?
In 2024 Medicare Part D data, Dr. Chee's most prescribed drugs by claims were Ketorolac Tromethamine, Brimonidine Tartrate and Dorzolamide HCl.
Has Dr. Ru-Ik Chee received payments from drug or device companies?
CMS Open Payments shows $9,321 in general payments to Dr. Chee from 8 companies from 2016 to 2022. The largest total came from Allergan Inc.
How long has Dr. Ru-Ik Chee been practicing?
Dr. Chee graduated from medical school in 2013, 13 years ago.
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