Stephen A. Flaherty, CRNA
- Medicare services, 2024
- 76
- Medicare patients, 2024
- 161
- Hospital affiliations
- 2
- Industry payments
- $24
- Medical groups
- 2
- Practice address
- 1325 N Highland Ave, Aurora, IL 60506
- Practice phone
- Call (630) 859-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Presence Mercy Medical Center- Aurora
Aurora, Illinois
Find Stephen Flaherty'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.
Stephen A. Flaherty is an anesthesiologist in Aurora, Illinois
Stephen Flaherty practices at Presence Mercy Medical Center- Aurora in Aurora, Illinois.
Stephen Flaherty's NPI, 1932160066, was assigned on March 29, 2006. Stephen Flaherty holds Illinois license 209.001940.
- NPI
- 1932160066NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638102817
- NPI enumeration date
- March 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 859-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephen A. Flaherty practices at Presence Mercy Medical Center- Aurora in Aurora, Illinois
Stephen Flaherty's primary practice is Presence Mercy Medical Center- Aurora, at 1325 N Highland Ave, Aurora, IL 60506 in Kane County. The practice phone is (630) 859-2222.
- Presence Mercy Medical Center- Aurora1325 N Highland Ave, Aurora, IL 60506 · Kane CountyPhone(630) 859-2222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stephen A. Flaherty is affiliated with 3 sites of care and 2 medical groups
Stephen Flaherty's primary practice is Presence Mercy Medical Center- Aurora in Aurora, Illinois. Stephen Flaherty is also affiliated with Mercy Medical Center. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Stephen Flaherty to 1 more hospital and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephen A. Flaherty's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Flaherty practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Presence Mercy Medical Center- Aurora | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephen A. Flaherty is one of 1,887 anesthesiologists in Illinois
Anesthesiology is Stephen Flaherty's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Stephen Flaherty is licensed in Illinois.
Specialties and state licenses
- Anesthesiology, IllinoisPrimary
Anesthesiologists near Stephen Flaherty
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
Stephen A. Flaherty billed Medicare for 76 services in 2024
CMS data shows 76 Medicare services from Stephen Flaherty across 5 procedure codes in 2024, for 161 Medicare patients. Medicare paid $9,110 for them. Every service was in a facility, such as a hospital, rather than an office.
Stephen Flaherty's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 692024: 7610%
Stephen Flaherty compared with the Illinois median for anesthesiologists, 2024
- Stephen Flaherty
- Illinois median
- Medicare services
- 76vs 9116% below
- Medicare patients
- 161vs 157Close to median
Medians across 1,742 anesthesiologists in Illinois with Dmand AI profiles that report each measure.
Stephen Flaherty'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.
Need commercial claims for Stephen Flaherty?
Medicare shows one payer. Book a meeting to get commercial claims data for Stephen Flaherty and other anesthesiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Stephen A. Flaherty treated 161 Medicare patients in 2024, average age 74
CMS counts 161 Medicare patients who saw Stephen Flaherty in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Stephen Flaherty's median patient age at 57, with 70% women.
Stephen Flaherty's Medicare patients by age, 2024
Stephen Flaherty's Medicare patients by sex, 2024
- Women6138%
- Men10062%
Chronic conditions among Stephen Flaherty's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes42%
- Cancer33%
- Mood disorders33%
- Chronic kidney disease32%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Stephen Flaherty's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Stephen A. Flaherty takes part in Medicare
Stephen Flaherty 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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Stephen A. Flaherty received $24 in industry payments in 2024
CMS Open Payments shows 1 general payment to Stephen Flaherty from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $24.
Companies that paid Stephen Flaherty the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Stephen A. Flaherty'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 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) |
| 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 Stephen A. Flaherty
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephen A. Flaherty's NPI number?
Stephen A. Flaherty's NPI number is 1932160066. It was assigned on March 29, 2006, and it is active in the NPI Registry.
What does Stephen A. Flaherty specialize in?
Stephen A. Flaherty is an anesthesiologist in Aurora, Illinois. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Stephen A. Flaherty practice?
Stephen Flaherty practices at 1325 N Highland Ave, Aurora, IL 60506. Stephen Flaherty's primary practice is Presence Mercy Medical Center- Aurora in Aurora, Illinois. Dmand AI also links Stephen Flaherty to 1 hospital and 1 medical group.
What is Stephen A. Flaherty's office phone number?
The practice phone on file for Stephen Flaherty is (630) 859-2222.
What is Stephen A. Flaherty's medical license number?
Stephen Flaherty holds Illinois license 209.001940.
Which hospitals is Stephen A. Flaherty affiliated with?
Stephen Flaherty is affiliated with Mercy Medical Center. Dmand AI links Stephen Flaherty to 1 more hospital.
What medical group is Stephen A. Flaherty part of?
Stephen Flaherty is linked to Northwestern Medical Faculty Foundation. Dmand AI links Stephen Flaherty to 1 more medical group.
Does Stephen A. Flaherty accept Medicare?
Yes. CMS data shows Stephen Flaherty billed Medicare for 76 services in 2024, and Stephen Flaherty accepts Medicare assignment.
How many Medicare patients does Stephen A. Flaherty see?
CMS counts 161 Medicare patients who saw Stephen Flaherty in 2024, with an average age of 74.
What services does Stephen A. Flaherty bill to Medicare?
In 2024, Stephen Flaherty's most billed Medicare services were anesthesia (00812), anesthesia (00731) and anesthesia (00811).
Has Stephen A. Flaherty received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Stephen Flaherty from 1 company from 2024 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Stephen A. Flaherty been practicing?
Stephen Flaherty graduated from medical school in 1992, 34 years ago.
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