Dr. Catherine A. Gao, MD
- Medicare services, 2024
- 45
- Medicare patients, 2024
- 20
- Part D claims, 2022
- 12
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 5841 S Maryland Ave, Chicago, IL 60637
- Practice phone
- Call (773) 702-1530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The University of Chicago Medical Center
Chicago, Illinois
Find Dr. Gao'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. Catherine A. Gao is a pulmonologist in Chicago, Illinois
Dr. Gao practices at The University of Chicago Medical Center in Chicago, Illinois.
Dr. Gao's NPI, 1043699689, was assigned on May 28, 2015. Dr. Gao graduated from University of Michigan Medical School in 2015. Dr. Gao holds Illinois license 036.148849.
- NPI
- 1043699689NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385956440
- NPI enumeration date
- May 28, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine A. Gao practices at The University of Chicago Medical Center in Chicago, Illinois
Dr. Gao's primary practice is The University of Chicago Medical Center, at 5841 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.
- The University of Chicago Medical Center5841 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Catherine A. Gao is affiliated with 3 sites of care and 1 medical group
Dr. Gao's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Dr. Gao is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Gao to 1 more group practice or clinic, 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. Catherine A. Gao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gao practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Chicago Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine A. Gao is one of 517 pulmonologists in Illinois
Pulmonary disease is Dr. Gao's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Gao is licensed in Illinois.
Specialties and state licenses
- Pulmonary disease, IllinoisPrimary
Pulmonologists near Dr. Gao
Counts of pulmonologists 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. Catherine A. Gao billed Medicare for 45 services in 2024
CMS data shows 45 Medicare services from Dr. Gao across 2 procedure codes in 2024, for 20 Medicare patients. Medicare paid $6,522 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 612024: 4526%
- Tests and treatments
- 2023: 1742024: 0100%
Dr. Gao compared with the Illinois median for pulmonologists, 2024
- Dr. Gao
- Illinois median
- Medicare services
- 45vs 76994% below
- Medicare patients
- 20vs 34194% below
- Part D claims
- 12vs 49298% below
Medians across 522 pulmonologists in Illinois with Dmand AI profiles that report each measure.
Dr. Gao'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. Gao and other pulmonologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine A. Gao treated 20 Medicare patients in 2024, average age 70
CMS counts 20 Medicare patients who saw Dr. Gao in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.87, 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. Gao's median patient age at 73, with 36% women.
Chronic conditions among Dr. Gao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety65%
- Chronic kidney disease60%
- Heart failure60%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine A. Gao wrote 12 Medicare Part D claims in 2022
In 2022, Dr. Gao wrote 12 Medicare Part D claims. They cover 1 drug, with $4,477 in total drug cost. In 2019, CMS named 36 claims across 2 drugs.
Dr. Gao's most prescribed drugs by claims, 2022
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, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 362022: 1267%
Drugs named by CMS: 1 in 2022, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Catherine A. Gao 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. Gao for performance year 2024, reported through an alternative payment model (APM). Dr. Gao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gao'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. Catherine A. Gao received $2,034 in industry payments from 2022 to 2025
CMS Open Payments shows 2 general payments to Dr. Gao from 2 drug and device companies from 2022 to 2025. Grants make up the largest share, 98% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,000.
General payments to Dr. Gao by program year, 2022 to 2025
General payments to Dr. Gao by kind, 2022 to 2025
- Grants$2,00098%
- Food and beverage$342%
Companies that paid Dr. Gao the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Catherine A. Gao graduated from University of Michigan Medical School
Dr. Gao graduated from University of Michigan Medical School in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Catherine A. Gao'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Catherine A. Gao
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. Catherine A. Gao's NPI number?
Dr. Catherine A. Gao's NPI number is 1043699689. It was assigned on May 28, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine A. Gao?
Dr. Catherine A. Gao is a pulmonologist in Chicago, Illinois. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Catherine A. Gao practice?
Dr. Gao practices at 5841 S Maryland Ave, Chicago, IL 60637. Dr. Gao's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Dmand AI also links Dr. Gao to 1 group practice or clinic.
What is Dr. Catherine A. Gao's office phone number?
The practice phone on file for Dr. Gao is (773) 702-1530.
What is Dr. Catherine A. Gao's medical license number?
Dr. Gao holds Illinois license 036.148849.
Which hospitals is Dr. Catherine A. Gao affiliated with?
Dr. Gao is affiliated with Northwestern Memorial Hospital.
What medical group is Dr. Catherine A. Gao part of?
Dr. Gao is linked to Northwestern Medical Faculty Foundation.
Does Dr. Catherine A. Gao accept Medicare?
Yes. CMS data shows Dr. Gao billed Medicare for 45 services in 2024, and Dr. Gao accepts Medicare assignment.
What is Dr. Catherine A. Gao's MIPS score?
Dr. Gao'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. Catherine A. Gao see?
CMS counts 20 Medicare patients who saw Dr. Gao in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Catherine A. Gao bill to Medicare?
In 2024, Dr. Gao's most billed Medicare services were critical care (99291) and hospital inpatient care (99233).
Where did Dr. Catherine A. Gao go to medical school?
Dr. Gao graduated from University of Michigan Medical School in 2015.
What drugs does Dr. Catherine A. Gao prescribe most?
In 2022 Medicare Part D data, Dr. Gao's most prescribed drugs by claims were Symbicort.
Has Dr. Catherine A. Gao received payments from drug or device companies?
CMS Open Payments shows $2,034 in general payments to Dr. Gao from 2 companies from 2022 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Catherine A. Gao been practicing?
Dr. Gao graduated from medical school in 2015, 11 years ago.
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