Dr. Joyce Cheng, MD
- Medicare services, 2024
- 932
- Medicare patients, 2024
- 312
- Part D claims, 2024
- 299
- Hospital affiliations
- 5
- Industry payments
- $20
- Practice address
- 5666 East State Street, Rockford, IL 61108
- Practice phone
- Call (815) 226-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cheng's professional email, personal email and mobile number
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Dr. Joyce Cheng is an internist in Rockford, Illinois
Dr. Cheng practices at OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System.
Dr. Cheng's NPI, 1407310733, was assigned on January 31, 2019. Dr. Cheng holds Illinois license 036158654.
- NPI
- 1407310733NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173990942
- NPI enumeration date
- January 31, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 226-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joyce Cheng practices at OSF Saint Anthony Medical Center in Rockford, Illinois
Dr. Cheng's primary practice is OSF Saint Anthony Medical Center, at 5666 East State Street, Rockford, IL 61108 in Winnebago County. The practice phone is (815) 226-2000.
- OSF Saint Anthony Medical Center5666 East State Street, Rockford, IL 61108 · Winnebago CountyPhone(815) 226-2000
Source: Dmand AI Affiliation Data
Dr. Joyce Cheng is affiliated with 5 sites of care and 1 medical group
Dr. Cheng's primary practice is OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System. Dr. Cheng is also affiliated with OSF Saint Elizabeth Medical Center - Peru. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Cheng to 3 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joyce Cheng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cheng practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF Saint Anthony Medical Center | 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. Joyce Cheng is one of 5,652 internists in Illinois
Internal medicine is Dr. Cheng's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Cheng is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Cheng
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. Joyce Cheng billed Medicare for 932 services in 2024
CMS data shows 932 Medicare services from Dr. Cheng across 5 procedure codes in 2024, for 312 Medicare patients. Medicare paid $70,725 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cheng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9392024: 9321%
Dr. Cheng compared with the Illinois median for internists, 2024
- Dr. Cheng
- Illinois median
- Medicare services
- 932vs 56665% above
- Medicare patients
- 312vs 20850% above
- Part D claims
- 70vs 28475% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Cheng'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. Joyce Cheng treated 312 Medicare patients in 2024, average age 76
CMS counts 312 Medicare patients who saw Dr. Cheng in 2024. The largest group is 75 to 84, with 110 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.36, 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. Cheng's median patient age at 77, with 60% women.
Dr. Cheng's Medicare patients by age, 2024
Dr. Cheng's Medicare patients by sex, 2024
- Women15650%
- Men15650%
Chronic conditions among Dr. Cheng's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes51%
- Heart failure51%
- Chronic kidney disease50%
- Ischemic heart disease49%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cheng'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
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joyce Cheng wrote 299 Medicare Part D claims in 2024
In 2024, Dr. Cheng wrote 299 Medicare Part D claims for 126 patients. 88% of them were for generic drugs. CMS names the drug for 70 of them, across 5 drugs with 11 or more claims each, at $281 in total drug cost. In 2023, CMS named 68 claims across 4 drugs.
Dr. Cheng's Part D claims by kind of drug, 2024
- Generic264 claims88%
- Brand-name and other35 claims12%
Dr. Cheng'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. Cheng's Part D claims, 2024
- Opioids10%29 of 299 claims
- Antibiotics15%46 of 299 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: 682024: 703%
Drugs named by CMS: 5 in 2024, 4 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. Joyce Cheng takes part in Medicare
Dr. Cheng 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. Joyce Cheng received $20 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Cheng from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $20.
Companies that paid Dr. Cheng the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joyce Cheng'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) |
| 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. Joyce Cheng
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. Joyce Cheng's NPI number?
Dr. Joyce Cheng's NPI number is 1407310733. It was assigned on January 31, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Joyce Cheng?
Dr. Joyce Cheng is an internist in Rockford, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joyce Cheng practice?
Dr. Cheng practices at 5666 East State Street, Rockford, IL 61108. Dr. Cheng's primary practice is OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System. Dmand AI also links Dr. Cheng to 3 hospitals.
What is Dr. Joyce Cheng's office phone number?
The practice phone on file for Dr. Cheng is (815) 226-2000.
What is Dr. Joyce Cheng's medical license number?
Dr. Cheng holds Illinois license 036158654.
Which hospitals is Dr. Joyce Cheng affiliated with?
Dr. Cheng practices at OSF Saint Anthony Medical Center in Rockford, Illinois. Dr. Cheng is also affiliated with OSF Saint Elizabeth Medical Center - Peru. Dmand AI links Dr. Cheng to 3 more hospitals.
What medical group is Dr. Joyce Cheng part of?
Dr. Cheng is linked to OSF Multi-Specialty Group.
Does Dr. Joyce Cheng accept Medicare?
Yes. CMS data shows Dr. Cheng billed Medicare for 932 services in 2024, and Dr. Cheng accepts Medicare assignment.
How many Medicare patients does Dr. Joyce Cheng see?
CMS counts 312 Medicare patients who saw Dr. Cheng in 2024, with an average age of 76.
What services does Dr. Joyce Cheng bill to Medicare?
In 2024, Dr. Cheng's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
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What drugs does Dr. Joyce Cheng prescribe most?
In 2024 Medicare Part D data, Dr. Cheng's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Pantoprazole Sodium and Hydrocodone-Acetaminophen.
Has Dr. Joyce Cheng received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Cheng from 1 company from 2023 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. Joyce Cheng been practicing?
Dr. Cheng graduated from medical school in 2018, 8 years ago.
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