Dr. Catherine Ahn, MD
- Medicare services, 2024
- 110
- Medicare patients, 2024
- 153
- MIPS score, 2024
- 95
- Hospital affiliations
- 2
- Industry payments
- $857
- Practice address
- 8901 Golf Rd, Des Plaines, IL 60016
- Practice phone
- Call (847) 299-2273
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Golf Surgical Center
Surgery Center - Medicare-Certified · Des Plaines, Illinois
Find Dr. Ahn's professional email, personal email and mobile number
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Dr. Catherine Ahn is an anesthesiologist in Des Plaines, Illinois
Dr. Ahn practices at Golf Surgical Center in Des Plaines, Illinois.
Dr. Ahn's NPI, 1245308022, was assigned on December 1, 2006. Dr. Ahn holds Illinois license 036113618.
- NPI
- 1245308022NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628007937
- NPI enumeration date
- December 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 299-2273
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine Ahn practices at Golf Surgical Center in Des Plaines, Illinois
Dr. Ahn's primary practice is Golf Surgical Center, at 8901 Golf Rd, Des Plaines, IL 60016. The practice phone is (847) 299-2273.
- Golf Surgical Center8901 Golf Rd, Des Plaines, IL 60016Phone(847) 299-2273
Source: Dmand AI Affiliation Data
Dr. Catherine Ahn is affiliated with 3 sites of care and 5 medical groups
Dr. Ahn's primary practice is Golf Surgical Center in Des Plaines, Illinois. Dr. Ahn is also affiliated with Northwest Community Hospital. The medical group on file is Midwest Anesthesia Partners. Dmand AI also links Dr. Ahn to 1 more hospital and 4 medical groups, 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. Catherine Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Golf Surgical Center | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine Ahn is one of 1,887 anesthesiologists in Illinois
Anesthesiology is Dr. Ahn's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ahn is licensed in Illinois.
Specialties and state licenses
- Anesthesiology, IllinoisPrimary
Anesthesiologists near Dr. Ahn
Counts of anesthesiologists 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 Ahn billed Medicare for 110 services in 2024
CMS data shows 110 Medicare services from Dr. Ahn across 6 procedure codes in 2024, for 153 Medicare patients. Medicare paid $12,035 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ahn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 812024: 775%
- Surgery
- 2023: 142024: 33136%
Dr. Ahn compared with the Illinois median for anesthesiologists, 2024
- Dr. Ahn
- Illinois median
- Medicare services
- 110vs 9121% above
- Medicare patients
- 153vs 157Close to median
Medians across 1,742 anesthesiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ahn'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. Ahn and other anesthesiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine Ahn treated 153 Medicare patients in 2024, average age 73
CMS counts 153 Medicare patients who saw Dr. Ahn in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ahn's median patient age at 52, with 45% women.
Dr. Ahn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ahn's Medicare patients by sex, 2024
- Women8153%
- Men7247%
Chronic conditions among Dr. Ahn's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis61%
- Diabetes25%
- Anxiety20%
- Chronic kidney disease18%
- Ischemic heart disease18%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women45%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine Ahn 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. Ahn for performance year 2024, reported through an alternative payment model (APM). Dr. Ahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ahn'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 Ahn received $857 in industry payments from 2016 to 2025
CMS Open Payments shows 42 general payments to Dr. Ahn from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $245.
General payments to Dr. Ahn by program year, 2016 to 2025
Companies that paid Dr. Ahn 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. Catherine Ahn'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) |
| 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 Ahn
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 Ahn's NPI number?
Dr. Catherine Ahn's NPI number is 1245308022. It was assigned on December 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Ahn?
Dr. Catherine Ahn is an anesthesiologist in Des Plaines, Illinois. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Catherine Ahn practice?
Dr. Ahn practices at 8901 Golf Rd, Des Plaines, IL 60016. Dr. Ahn's primary practice is Golf Surgical Center in Des Plaines, Illinois. Dmand AI also links Dr. Ahn to 1 hospital and 4 medical groups.
What is Dr. Catherine Ahn's office phone number?
The practice phone on file for Dr. Ahn is (847) 299-2273.
What is Dr. Catherine Ahn's medical license number?
Dr. Ahn holds Illinois license 036113618.
Which hospitals is Dr. Catherine Ahn affiliated with?
Dr. Ahn is affiliated with Northwest Community Hospital. Dmand AI links Dr. Ahn to 1 more hospital.
What medical group is Dr. Catherine Ahn part of?
Dr. Ahn is linked to Midwest Anesthesia Partners. Dmand AI links Dr. Ahn to 4 more medical groups.
Does Dr. Catherine Ahn accept Medicare?
Yes. CMS data shows Dr. Ahn billed Medicare for 110 services in 2024, and Dr. Ahn accepts Medicare assignment.
What is Dr. Catherine Ahn's MIPS score?
Dr. Ahn'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 Ahn see?
CMS counts 153 Medicare patients who saw Dr. Ahn in 2024, with an average age of 73.
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What services does Dr. Catherine Ahn bill to Medicare?
In 2024, Dr. Ahn's most billed Medicare services were anesthesia (00142), anesthesia (01810) and surgery: brain, spine and nerves (64447).
Has Dr. Catherine Ahn received payments from drug or device companies?
CMS Open Payments shows $857 in general payments to Dr. Ahn from 14 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Catherine Ahn been practicing?
Dr. Ahn graduated from medical school in 2001, 25 years ago.
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