Dr. Bonnie Choy, MD
- Medicare services, 2024
- 1,948
- Medicare patients, 2024
- 892
- MIPS score, 2024
- 95
- Hospital affiliations
- 5
- Industry payments
- $551
- Practice address
- 251 E Huron St, Chicago, IL 60611
- Practice phone
- Call (312) 926-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Choy'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. Bonnie Choy is a cytopathology physician in Chicago, Illinois
Dr. Choy practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Dr. Choy's NPI, 1316386733, was assigned on June 19, 2013. Dr. Choy graduated from University of Rochester School of Medicine and Dentistry in 2013. Dr. Choy holds Illinois license 036142114.
- NPI
- 1316386733NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153624358
- NPI enumeration date
- June 19, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 926-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Bonnie Choy practices at Northwestern Memorial Hospital in Chicago, Illinois
Dr. Choy's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.
- Northwestern Memorial Hospital251 E Huron St, Chicago, IL 60611 · Cook CountyPhone(312) 926-2000
Source: Dmand AI Affiliation Data
Dr. Bonnie Choy is affiliated with 5 sites of care and 1 medical group
Dr. Choy's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dr. Choy is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Choy 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. Bonnie Choy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choy practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital | Available with a free account |
| +4 more affiliated sites | 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 Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Bonnie Choy is one of 22 cytopathology physicians in Illinois
Cytopathology is Dr. Choy's primary specialty in the NPI Registry, under taxonomy code 207ZC0500X. Dr. Choy is licensed in Illinois.
Specialties and state licenses
- Cytopathology, IllinoisPrimary
Cytopathology physicians near Dr. Choy
Counts of cytopathology physicians 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. Bonnie Choy billed Medicare for 1,948 services in 2024
CMS data shows 1,948 Medicare services from Dr. Choy across 20 procedure codes in 2024, for 892 Medicare patients. Medicare paid $64,933 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Choy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,9712024: 1,8894%
- Other services
- 2023: 342024: 5974%
Dr. Choy compared with the Illinois median for cytopathology physicians, 2024
- Dr. Choy
- Illinois median
- Medicare services
- 1,948vs 1,28052% above
- Medicare patients
- 892vs 63840% above
Medians across 18 cytopathology physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Choy'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. Choy and other cytopathology physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bonnie Choy treated 892 Medicare patients in 2024, average age 74
CMS counts 892 Medicare patients who saw Dr. Choy in 2024. The largest group is 65 to 74, with 419 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.62, 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. Choy's median patient age at 64, with 54% women.
Dr. Choy's Medicare patients by age, 2024
Dr. Choy's Medicare patients by sex, 2024
- Women33037%
- Men56263%
Chronic conditions among Dr. Choy's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis42%
- Cancer42%
- Ischemic heart disease36%
- Chronic kidney disease30%
- Diabetes27%
- Heart failure22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Choy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bonnie Choy scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Choy for performance year 2024, reported through an alternative payment model (APM). Dr. Choy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Choy's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 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. Bonnie Choy received $551 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Choy from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $476.
General payments to Dr. Choy by program year, 2016 to 2025
Companies that paid Dr. Choy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bonnie Choy graduated from University of Rochester School of Medicine and Dentistry
Dr. Choy graduated from University of Rochester School of Medicine and Dentistry in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bonnie Choy'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) |
| 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) |
| 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. Bonnie Choy
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. Bonnie Choy's NPI number?
Dr. Bonnie Choy's NPI number is 1316386733. It was assigned on June 19, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Bonnie Choy?
Dr. Bonnie Choy is a cytopathology physician in Chicago, Illinois. The primary specialty in the NPI Registry is Cytopathology Physician (taxonomy code 207ZC0500X).
Where does Dr. Bonnie Choy practice?
Dr. Choy practices at 251 E Huron St, Chicago, IL 60611. Dr. Choy's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Choy to 3 hospitals.
What is Dr. Bonnie Choy's office phone number?
The practice phone on file for Dr. Choy is (312) 926-2000.
What is Dr. Bonnie Choy's medical license number?
Dr. Choy holds Illinois license 036142114.
Which hospitals is Dr. Bonnie Choy affiliated with?
Dr. Choy practices at Northwestern Memorial Hospital in Chicago, Illinois. Dr. Choy is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Choy to 3 more hospitals.
What medical group is Dr. Bonnie Choy part of?
Dr. Choy is linked to Northwestern Medical Faculty Foundation.
Does Dr. Bonnie Choy accept Medicare?
Yes. CMS data shows Dr. Choy billed Medicare for 1,948 services in 2024, and Dr. Choy accepts Medicare assignment.
What is Dr. Bonnie Choy's MIPS score?
Dr. Choy's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Bonnie Choy see?
CMS counts 892 Medicare patients who saw Dr. Choy in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Bonnie Choy bill to Medicare?
In 2024, Dr. Choy's most billed Medicare services were lab and pathology test (88112), lab and pathology test (88305) and lab and pathology test (88108).
Where did Dr. Bonnie Choy go to medical school?
Dr. Choy graduated from University of Rochester School of Medicine and Dentistry in 2013.
Has Dr. Bonnie Choy received payments from drug or device companies?
CMS Open Payments shows $551 in general payments to Dr. Choy from 2 companies from 2016 to 2025. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Bonnie Choy been practicing?
Dr. Choy graduated from medical school in 2013, 13 years ago.
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