Dr. Yili Guo, MD
- Medicare services, 2024
- 1,563
- Medicare patients, 2024
- 238
- Part D claims, 2024
- 8,753
- MIPS score, 2024
- 75
- Hospital affiliations
- 3
- Practice address
- 1730 Park St, Naperville, IL 60563
- Practice phone
- Call (708) 795-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Midtown Physicians, S.C.
Naperville, Illinois
Find Dr. Guo'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. Yili Guo is an internist in Naperville, Illinois
Dr. Guo practices at Midtown Physicians, S.C. in Naperville, Illinois.
Dr. Guo's NPI, 1043278120, was assigned on May 1, 2006.
- NPI
- 1043278120NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254224694
- NPI enumeration date
- May 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (708) 795-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yili Guo practices at Midtown Physicians, S.C. in Naperville, Illinois
Dr. Guo's primary practice is Midtown Physicians, S.C., at 1730 Park St, Naperville, IL 60563 in Dupage County. The practice phone is (708) 795-8900.
- Midtown Physicians, S.C.1730 Park St, Naperville, IL 60563 · Dupage CountyPhone(708) 795-8900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Yili Guo is affiliated with 5 sites of care and 1 medical group
Dr. Guo's primary practice is Midtown Physicians, S.C. in Naperville, Illinois. Dr. Guo is also affiliated with Loyola University Medical Center. The medical group on file is Midtown Physicians. Dmand AI also links Dr. Guo to 2 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. Yili Guo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Midtown Physicians, S.C. | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yili Guo is one of 5,652 internists in Illinois
Internal medicine is Dr. Guo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Guo has a license on file in Illinois.
Specialties and state licenses
- Internal medicine, Illinois
Internists near Dr. Guo
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. Yili Guo billed Medicare for 1,563 services in 2024
CMS data shows 1,563 Medicare services from Dr. Guo across 14 procedure codes in 2024, for 238 Medicare patients. Medicare paid $118,002 for them.
Dr. Guo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1012024: 1,1081%
- Surgery
- 2023: 2472024: 2355%
- Other services
- 2023: 1412024: 1364%
- Tests and treatments
- 2023: 472024: 446%
- Drugs given in the office
- 2023: 432024: 407%
Where Dr. Guo's Medicare services took place, 2024
- In an office1,05267%
- In a facility51133%
Dr. Guo compared with the Illinois median for internists, 2024
- Dr. Guo
- Illinois median
- Medicare services
- 1,563vs 5662.8 times
- Medicare patients
- 238vs 20814% above
- Part D claims
- 8,153vs 28428.7 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Guo'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. Yili Guo treated 238 Medicare patients in 2024, average age 74
CMS counts 238 Medicare patients who saw Dr. Guo in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 1.67, 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. Guo's median patient age at 72, with 69% women.
Dr. Guo's Medicare patients by age, 2024
Dr. Guo's Medicare patients by sex, 2024
- Women15666%
- Men8234%
Chronic conditions among Dr. Guo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Arthritis45%
- Anxiety32%
- Ischemic heart disease31%
- Heart failure28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yili Guo wrote 8,753 Medicare Part D claims in 2024
In 2024, Dr. Guo wrote 8,753 Medicare Part D claims for 523 patients. 87% of them were for generic drugs. CMS names the drug for 8,153 of them, across 128 drugs with 11 or more claims each, at $673,376 in total drug cost. In 2023, CMS named 8,314 claims across 132 drugs.
Dr. Guo's Part D claims by kind of drug, 2024
- Generic7,614 claims87%
- Brand-name1,023 claims12%
- Other116 claims1%
Dr. Guo'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. Guo's Part D claims, 2024
- Opioids5%440 of 8,753 claims
- Antibiotics2%145 of 8,753 claims
- Antipsychotics, patients 65 and over1%48 of 8,753 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: 8,3142024: 8,1532%
Drugs named by CMS: 128 in 2024, 132 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. Yili Guo scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Guo for performance year 2024, reported as part of a group. Dr. Guo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Guo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
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. Yili Guo received $304 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Guo from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $76.
General payments to Dr. Guo by program year, 2016 to 2025
General payments to Dr. Guo by kind, 2016 to 2025
- Food and beverage$24481%
- Education$5919%
Companies that paid Dr. Guo the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Yili Guo's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Yili Guo
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. Yili Guo's NPI number?
Dr. Yili Guo's NPI number is 1043278120. It was assigned on May 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Yili Guo?
Dr. Yili Guo is an internist in Naperville, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yili Guo practice?
Dr. Guo practices at 1730 Park St, Naperville, IL 60563. Dr. Guo's primary practice is Midtown Physicians, S.C. in Naperville, Illinois. Dmand AI also links Dr. Guo to 2 hospitals and 1 group practice or clinic.
What is Dr. Yili Guo's office phone number?
The practice phone on file for Dr. Guo is (708) 795-8900.
Which hospitals is Dr. Yili Guo affiliated with?
Dr. Guo is affiliated with Loyola University Medical Center. Dmand AI links Dr. Guo to 2 more hospitals.
What medical group is Dr. Yili Guo part of?
Dr. Guo is linked to Midtown Physicians.
Does Dr. Yili Guo accept Medicare?
Yes. CMS data shows Dr. Guo billed Medicare for 1,563 services in 2024, and Dr. Guo accepts Medicare assignment.
Does Dr. Yili Guo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Guo as offering telehealth services.
What is Dr. Yili Guo's MIPS score?
Dr. Guo's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Yili Guo see?
CMS counts 238 Medicare patients who saw Dr. Guo in 2024, with an average age of 74.
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What services does Dr. Yili Guo bill to Medicare?
In 2024, Dr. Guo's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and hospital inpatient care (99232).
What drugs does Dr. Yili Guo prescribe most?
In 2024 Medicare Part D data, Dr. Guo's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Carvedilol.
Has Dr. Yili Guo received payments from drug or device companies?
CMS Open Payments shows $304 in general payments to Dr. Guo from 9 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Yili Guo been practicing?
Dr. Guo graduated from medical school in 1983, 43 years ago.
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