Dr. Casandra Lea Butler, MD
- Medicare services, 2024
- 1,435
- Medicare patients, 2024
- 452
- Part D claims, 2024
- 489
- Hospital affiliations
- 6
- Industry payments
- $175
- Practice address
- 1124 West 21st Street, Andover, KS 67002
- Practice phone
- Call (316) 300-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Casandra Lea Butler is an internist in Andover, Kansas
Dr. Butler practices at Kansas Medical Center in Andover, Kansas, part of Kansas Medical Center.
Dr. Butler's NPI, 1023270014, was assigned on June 30, 2008. Dr. Butler graduated from University of Kansas School of Med (KC/Wich/Sal) in 2003. Dr. Butler holds Kansas license 7098.
- NPI
- 1023270014NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244389427
- NPI enumeration date
- June 30, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (316) 300-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Casandra Lea Butler practices at Kansas Medical Center in Andover, Kansas
Dr. Butler's primary practice is Kansas Medical Center, at 1124 West 21st Street, Andover, KS 67002 in Butler County. The practice phone is (316) 300-4000.
- Kansas Medical Center1124 West 21st Street, Andover, KS 67002 · Butler CountyPhone(316) 300-4000
Source: Dmand AI Affiliation Data
Dr. Casandra Lea Butler is affiliated with 8 sites of care and 4 medical groups
Dr. Butler's primary practice is Kansas Medical Center in Andover, Kansas, part of Kansas Medical Center. Dr. Butler is also affiliated with Ascension Via Christi St. Francis. The medical group on file is Kansas Medical Center. Dmand AI also links Dr. Butler to 4 more hospitals, 3 medical groups and 2 hospices, 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. Casandra Lea Butler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Butler practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kansas Medical Center | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kansas Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Casandra Lea Butler is one of 866 internists in Kansas
Internal medicine is Dr. Butler's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Butler is board certified in internal medicine by the American Board of Internal Medicine. Dr. Butler is licensed in Kansas.
Specialties and state licenses
- Internal medicine, KansasPrimary
Internists near Dr. Butler
Counts of internists 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. Casandra Lea Butler billed Medicare for 1,435 services in 2024
CMS data shows 1,435 Medicare services from Dr. Butler across 7 procedure codes in 2024, for 452 Medicare patients. Medicare paid $111,380 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Butler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4702024: 1,4352%
Dr. Butler compared with the Kansas median for internists, 2024
- Dr. Butler
- Kansas median
- Medicare services
- 1,435vs 6812.1 times
- Medicare patients
- 452vs 25379% above
- Part D claims
- 231vs 17929% above
Medians across 820 internists in Kansas with Dmand AI profiles that report each measure.
Dr. Butler'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. Butler and other internists in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Casandra Lea Butler treated 452 Medicare patients in 2024, average age 77
CMS counts 452 Medicare patients who saw Dr. Butler in 2024. The largest group is 75 to 84, with 183 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.93, 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. Butler's median patient age at 74, with 54% women.
Dr. Butler's Medicare patients by age, 2024
Dr. Butler's Medicare patients by sex, 2024
- Women20646%
- Men24654%
Chronic conditions among Dr. Butler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Arthritis56%
- Chronic kidney disease51%
- Heart failure51%
- Atrial fibrillation49%
- Diabetes46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Butler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
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. Casandra Lea Butler wrote 489 Medicare Part D claims in 2024
In 2024, Dr. Butler wrote 489 Medicare Part D claims for 212 patients. 91% of them were for generic drugs. CMS names the drug for 231 of them, across 12 drugs with 11 or more claims each, at $10,557 in total drug cost. In 2023, CMS named 176 claims across 10 drugs.
Dr. Butler's Part D claims by kind of drug, 2024
- Generic443 claims91%
- Brand-name and other46 claims9%
Dr. Butler's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Butler's Part D claims, 2024
- Opioids4%21 of 489 claims
- Antibiotics23%114 of 489 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1762024: 23131%
Drugs named by CMS: 12 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Casandra Lea Butler takes part in Medicare
Dr. Butler 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. Casandra Lea Butler received $175 in industry payments from 2018 to 2024
CMS Open Payments shows 8 general payments to Dr. Butler from 4 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $56.
General payments to Dr. Butler by program year, 2018 to 2024
Companies that paid Dr. Butler the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Casandra Lea Butler graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Butler graduated from University of Kansas School of Med (KC/Wich/Sal) in 2003.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Casandra Lea Butler'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| 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. Casandra Lea Butler
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. Casandra Lea Butler's NPI number?
Dr. Casandra Lea Butler's NPI number is 1023270014. It was assigned on June 30, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Casandra Lea Butler?
Dr. Casandra Lea Butler is an internist in Andover, Kansas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Casandra Lea Butler practice?
Dr. Butler practices at 1124 West 21st Street, Andover, KS 67002. Dr. Butler's primary practice is Kansas Medical Center in Andover, Kansas, part of Kansas Medical Center. Dmand AI also links Dr. Butler to 4 hospitals, 3 medical groups and 2 hospices.
What is Dr. Casandra Lea Butler's office phone number?
The practice phone on file for Dr. Butler is (316) 300-4000.
What is Dr. Casandra Lea Butler's medical license number?
Dr. Butler holds Kansas license 7098.
Which hospitals is Dr. Casandra Lea Butler affiliated with?
Dr. Butler practices at Kansas Medical Center in Andover, Kansas. Dr. Butler is also affiliated with Ascension Via Christi St. Francis. Dmand AI links Dr. Butler to 4 more hospitals.
What medical group is Dr. Casandra Lea Butler part of?
Dr. Butler is linked to Kansas Medical Center. Dmand AI links Dr. Butler to 3 more medical groups.
Does Dr. Casandra Lea Butler accept Medicare?
Yes. CMS data shows Dr. Butler billed Medicare for 1,435 services in 2024, and Dr. Butler accepts Medicare assignment.
How many Medicare patients does Dr. Casandra Lea Butler see?
CMS counts 452 Medicare patients who saw Dr. Butler in 2024, with an average age of 77.
Is Dr. Casandra Lea Butler board certified?
Yes. Dr. Butler is board certified in internal medicine by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Casandra Lea Butler bill to Medicare?
In 2024, Dr. Butler's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99239).
Where did Dr. Casandra Lea Butler go to medical school?
Dr. Butler graduated from University of Kansas School of Med (KC/Wich/Sal) in 2003.
What drugs does Dr. Casandra Lea Butler prescribe most?
In 2024 Medicare Part D data, Dr. Butler's most prescribed drugs by claims were Cefdinir, Pantoprazole Sodium and Prednisone.
Has Dr. Casandra Lea Butler received payments from drug or device companies?
CMS Open Payments shows $175 in general payments to Dr. Butler from 4 companies from 2018 to 2024. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Casandra Lea Butler been practicing?
Dr. Butler graduated from medical school in 2003, 23 years ago.
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