Dr. Clinton Lyle Seifert, MD
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 90
- Hospital affiliations
- 1
- Industry payments
- $2,680
- Practice address
- 2800 E Rock Haven Road, Harrisonville, MO 64701
- Practice phone
- Call (816) 380-5888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Seifert'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. Clinton Lyle Seifert is a general surgeon in Harrisonville, Missouri
Dr. Seifert practices at Cass Regional Medical Center in Harrisonville, Missouri, part of Cass County.
Dr. Seifert's NPI, 1306041801, was assigned on June 15, 2007. Dr. Seifert graduated from University of Kansas School of Med (KC/Wich/Sal) in 2007. Dr. Seifert holds South Dakota license 8535.
- NPI
- 1306041801NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577713619
- NPI enumeration date
- June 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (816) 380-5888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clinton Lyle Seifert practices at Cass Regional Medical Center in Harrisonville, Missouri
Dr. Seifert's primary practice is Cass Regional Medical Center, at 2800 E Rock Haven Road, Harrisonville, MO 64701 in Cass County. The practice phone is (816) 380-5888.
- Cass Regional Medical Center2800 E Rock Haven Road, Harrisonville, MO 64701 · Cass CountyPhone(816) 380-5888
Source: Dmand AI Affiliation Data
Dr. Clinton Lyle Seifert is affiliated with 2 sites of care and 2 medical groups
Dr. Seifert's primary practice is Cass Regional Medical Center in Harrisonville, Missouri, part of Cass County. The medical group on file is Cass Regional Medical Center. Dmand AI also links Dr. Seifert to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Seifert's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Clinton Lyle Seifert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seifert practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cass Regional Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Cass County and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Clinton Lyle Seifert is one of 593 general surgeons in Missouri
Surgery is Dr. Seifert's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Seifert's licenses on file in 2 states: South Dakota and Kansas.
Specialties and state licenses
- Surgery, South DakotaPrimary
- Kansas license
General surgeons near Dr. Seifert
Counts of general surgeons 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. Clinton Lyle Seifert billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Seifert across 1 procedure code in 2024, for 54 Medicare patients. Medicare paid $653 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Seifert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 112024: 129%
- Office and hospital visits
- 2023: 122024: 0100%
Dr. Seifert compared with the Missouri median for general surgeons, 2024
- Dr. Seifert
- Missouri median
- Medicare services
- 12vs 16993% below
- Medicare patients
- 54vs 12757% below
- Part D claims
- 23vs 4144% below
Medians across 570 general surgeons in Missouri with Dmand AI profiles that report each measure.
Dr. Seifert'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. Seifert?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Seifert and other general surgeons in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clinton Lyle Seifert treated 54 Medicare patients in 2024, average age 73
CMS counts 54 Medicare patients who saw Dr. Seifert in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 69% have high cholesterol. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Seifert's median patient age at 68, with 47% women.
Dr. Seifert's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Seifert's Medicare patients by sex, 2024
- Women3157%
- Men2343%
Chronic conditions among Dr. Seifert's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis41%
- Atrial fibrillation28%
- Anxiety26%
- Diabetes26%
- Ischemic heart disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Seifert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Clinton Lyle Seifert wrote 90 Medicare Part D claims in 2024
In 2024, Dr. Seifert wrote 90 Medicare Part D claims for 56 patients. 94% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $125 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.
Dr. Seifert's Part D claims by kind of drug, 2024
- Generic85 claims94%
- Brand-name and other5 claims6%
Dr. Seifert'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. Seifert's Part D claims, 2024
- Opioids30%27 of 90 claims
- Antibiotics37%33 of 90 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: 352024: 2334%
Drugs named by CMS: 1 in 2024, 2 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
Dr. Clinton Lyle Seifert ranks in the 56th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Seifert accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 31 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Seifert, more than 56% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Seifert ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 56th percentile31 procedures
- Colonoscopy
- 52nd percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Clinton Lyle Seifert received $2,680 in industry payments from 2016 to 2025
CMS Open Payments shows 125 general payments to Dr. Seifert from 45 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 86% of the total. Pentax of America, Inc. paid the most, $370.
General payments to Dr. Seifert by program year, 2016 to 2025
General payments to Dr. Seifert by kind, 2016 to 2025
- Food and beverage$2,31086%
- Device or supply loans$37014%
Companies that paid Dr. Seifert the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Clinton Lyle Seifert graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Seifert graduated from University of Kansas School of Med (KC/Wich/Sal) in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Clinton Lyle Seifert'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)Doctors and Clinicians Utilization Data (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. Clinton Lyle Seifert
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. Clinton Lyle Seifert's NPI number?
Dr. Clinton Lyle Seifert's NPI number is 1306041801. It was assigned on June 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Clinton Lyle Seifert?
Dr. Clinton Lyle Seifert is a general surgeon in Harrisonville, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Clinton Lyle Seifert practice?
Dr. Seifert practices at 2800 E Rock Haven Road, Harrisonville, MO 64701. Dr. Seifert's primary practice is Cass Regional Medical Center in Harrisonville, Missouri, part of Cass County. Dmand AI also links Dr. Seifert to 1 group practice or clinic and 1 medical group.
What is Dr. Clinton Lyle Seifert's office phone number?
The practice phone on file for Dr. Seifert is (816) 380-5888.
What is Dr. Clinton Lyle Seifert's medical license number?
Dr. Seifert holds South Dakota license 8535, one of the licenses on file in 2 states.
Which states has Dr. Clinton Lyle Seifert been licensed in?
Dmand AI has state licenses on file for Dr. Seifert in South Dakota and Kansas.
Which hospitals is Dr. Clinton Lyle Seifert affiliated with?
Dr. Seifert practices at Cass Regional Medical Center in Harrisonville, Missouri.
What medical group is Dr. Clinton Lyle Seifert part of?
Dr. Seifert is linked to Cass Regional Medical Center. Dmand AI links Dr. Seifert to 1 more medical group.
Does Dr. Clinton Lyle Seifert accept Medicare?
Yes. CMS data shows Dr. Seifert billed Medicare for 12 services in 2024, and Dr. Seifert accepts Medicare assignment.
How many Medicare patients does Dr. Clinton Lyle Seifert see?
CMS counts 54 Medicare patients who saw Dr. Seifert in 2024, with an average age of 73.
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What services does Dr. Clinton Lyle Seifert bill to Medicare?
In 2024, Dr. Seifert's most billed Medicare services were surgery: digestive system (43239).
Where did Dr. Clinton Lyle Seifert go to medical school?
Dr. Seifert graduated from University of Kansas School of Med (KC/Wich/Sal) in 2007.
What drugs does Dr. Clinton Lyle Seifert prescribe most?
In 2024 Medicare Part D data, Dr. Seifert's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Clinton Lyle Seifert received payments from drug or device companies?
CMS Open Payments shows $2,680 in general payments to Dr. Seifert from 45 companies from 2016 to 2025. The largest total came from Pentax of America, Inc.
How long has Dr. Clinton Lyle Seifert been practicing?
Dr. Seifert graduated from medical school in 2007, 19 years ago.
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