Dr. Jeffrey W. Brennan, MD
- Medicare services, 2024
- 704
- Medicare patients, 2024
- 453
- Hospital affiliations
- 2
- Industry payments
- $301
- Medical group
- 1
- Practice address
- 3651 College Blvd, Leawood, KS 66211
- Practice phone
- Call (913) 319-7633
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Brennan'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. Jeffrey W. Brennan is an anesthesiologist in Leawood, Kansas
Dr. Brennan practices at Kansas City Orthopaedic Institute in Leawood, Kansas, part of BJC Health.
Dr. Brennan's NPI, 1013238674, was assigned on June 17, 2010. Dr. Brennan holds Missouri license 2015022430.
- NPI
- 1013238674NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860617610
- NPI enumeration date
- June 17, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (913) 319-7633
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey W. Brennan practices at Kansas City Orthopaedic Institute in Leawood, Kansas
Dr. Brennan's primary practice is Kansas City Orthopaedic Institute, at 3651 College Blvd, Leawood, KS 66211 in Johnson County. The practice phone is (913) 319-7633.
- Kansas City Orthopaedic Institute3651 College Blvd, Leawood, KS 66211 · Johnson CountyPhone(913) 319-7633
Source: Dmand AI Affiliation Data
Dr. Jeffrey W. Brennan is affiliated with 2 sites of care and 1 medical group
Dr. Brennan's primary practice is Kansas City Orthopaedic Institute in Leawood, Kansas, part of BJC Health. Dr. Brennan is also affiliated with Lee's Summit Medical Center. The medical group on file is Anesthesia Associates of Kansas City.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey W. Brennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brennan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kansas City Orthopaedic Institute | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey W. Brennan is one of 320 anesthesiologists in Kansas
Anesthesiology is Dr. Brennan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Brennan's licenses on file in 3 states: Missouri, Illinois and Kansas.
Specialties and state licenses
- Anesthesiology, MissouriPrimary
- Illinois license
- Kansas license
Anesthesiologists near Dr. Brennan
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. Jeffrey W. Brennan billed Medicare for 704 services in 2024
CMS data shows 704 Medicare services from Dr. Brennan across 16 procedure codes in 2024, for 453 Medicare patients. Medicare paid $52,248 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Brennan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2012024: 39597%
- Surgery
- 2023: 1582024: 25662%
- Imaging
- 2023: 542024: 532%
Dr. Brennan compared with the Kansas median for anesthesiologists, 2024
- Dr. Brennan
- Kansas median
- Medicare services
- 704vs 1136.2 times
- Medicare patients
- 453vs 1792.5 times
Medians across 304 anesthesiologists in Kansas with Dmand AI profiles that report each measure.
Dr. Brennan'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 Dr. Brennan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Brennan and other anesthesiologists in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey W. Brennan treated 453 Medicare patients in 2024, average age 73
CMS counts 453 Medicare patients who saw Dr. Brennan in 2024. The largest group is 65 to 74, with 282 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.72, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Brennan's median patient age at 64, with 46% women.
Dr. Brennan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Brennan's Medicare patients by sex, 2024
- Women27060%
- Men18340%
Chronic conditions among Dr. Brennan's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Anxiety26%
- Mood disorders22%
- Ischemic heart disease21%
- Depression19%
- Diabetes17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Brennan'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
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Jeffrey W. Brennan takes part in Medicare
Dr. Brennan 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. Jeffrey W. Brennan received $301 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Brennan from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $201.
General payments to Dr. Brennan by program year, 2016 to 2025
Companies that paid Dr. Brennan 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. Jeffrey W. Brennan'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) |
| 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. Jeffrey W. Brennan
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. Jeffrey W. Brennan's NPI number?
Dr. Jeffrey W. Brennan's NPI number is 1013238674. It was assigned on June 17, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey W. Brennan?
Dr. Jeffrey W. Brennan is an anesthesiologist in Leawood, Kansas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jeffrey W. Brennan practice?
Dr. Brennan practices at 3651 College Blvd, Leawood, KS 66211. Dr. Brennan's primary practice is Kansas City Orthopaedic Institute in Leawood, Kansas, part of BJC Health.
What is Dr. Jeffrey W. Brennan's office phone number?
The practice phone on file for Dr. Brennan is (913) 319-7633.
What is Dr. Jeffrey W. Brennan's medical license number?
Dr. Brennan holds Missouri license 2015022430, one of the licenses on file in 3 states.
Which states has Dr. Jeffrey W. Brennan been licensed in?
Dmand AI has state licenses on file for Dr. Brennan in Missouri, Illinois and Kansas.
Which hospitals is Dr. Jeffrey W. Brennan affiliated with?
Dr. Brennan practices at Kansas City Orthopaedic Institute in Leawood, Kansas. Dr. Brennan is also affiliated with Lee's Summit Medical Center.
What medical group is Dr. Jeffrey W. Brennan part of?
Dr. Brennan is linked to Anesthesia Associates of Kansas City.
Does Dr. Jeffrey W. Brennan accept Medicare?
Yes. CMS data shows Dr. Brennan billed Medicare for 704 services in 2024, and Dr. Brennan accepts Medicare assignment.
How many Medicare patients does Dr. Jeffrey W. Brennan see?
CMS counts 453 Medicare patients who saw Dr. Brennan in 2024, with an average age of 73.
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What services does Dr. Jeffrey W. Brennan bill to Medicare?
In 2024, Dr. Brennan's most billed Medicare services were anesthesia (01402), surgery: brain, spine and nerves (64415) and surgery: brain, spine and nerves (64447).
Has Dr. Jeffrey W. Brennan received payments from drug or device companies?
CMS Open Payments shows $301 in general payments to Dr. Brennan from 2 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Jeffrey W. Brennan been practicing?
Dr. Brennan graduated from medical school in 2010, 16 years ago.
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