Dr. Trevor M. Slezak, MD
- Medicare services, 2024
- 345
- Medicare patients, 2024
- 328
- Part D claims, 2024
- 217
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- 1235 E Cherokee St, Springfield, MO 65804
- Practice phone
- Call (417) 820-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Hospital Springfield & Children's Mercy
Springfield, Missouri
Find Dr. Slezak'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. Trevor M. Slezak is an emergency medicine physician in Springfield, Missouri
Dr. Slezak practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri.
Dr. Slezak's NPI, 1467804427, was assigned on July 1, 2016. Dr. Slezak graduated from George Washington University School of Medicine in 2016. Dr. Slezak holds Missouri license 2019008078.
- NPI
- 1467804427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991036212
- NPI enumeration date
- July 1, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (417) 820-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Trevor M. Slezak practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri
Dr. Slezak's primary practice is Mercy Hospital Springfield & Children's Mercy, at 1235 E Cherokee St, Springfield, MO 65804 in Greene County. The practice phone is (417) 820-2000.
- Mercy Hospital Springfield & Children's Mercy1235 E Cherokee St, Springfield, MO 65804 · Greene CountyPhone(417) 820-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Trevor M. Slezak is affiliated with 2 sites of care and 3 medical groups
Dr. Slezak's primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dr. Slezak is also affiliated with Mercy Hospital Springfield. The medical group on file is Mercy Clinic Family Medicine - Hollister. Dmand AI also links Dr. Slezak to 2 more medical groups, 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 Dr. Trevor M. Slezak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Slezak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital Springfield & Children's Mercy | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Trevor M. Slezak is one of 1,063 emergency medicine physicians in Missouri
Emergency medicine is Dr. Slezak's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Slezak is licensed in Missouri.
Specialties and state licenses
- Emergency medicine, MissouriPrimary
Emergency medicine physicians near Dr. Slezak
Counts of emergency medicine physicians 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. Trevor M. Slezak billed Medicare for 345 services in 2024
CMS data shows 345 Medicare services from Dr. Slezak across 4 procedure codes in 2024, for 328 Medicare patients. Medicare paid $39,680 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Slezak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2792024: 34524%
Dr. Slezak compared with the Missouri median for emergency medicine physicians, 2024
- Dr. Slezak
- Missouri median
- Medicare services
- 345vs 25237% above
- Medicare patients
- 328vs 26225% above
- Part D claims
- 133vs 6993% above
Medians across 1,092 emergency medicine physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Slezak'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Trevor M. Slezak treated 328 Medicare patients in 2024, average age 72
CMS counts 328 Medicare patients who saw Dr. Slezak in 2024. The largest group is 65 to 74, with 122 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.13, 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. Slezak's median patient age at 72, with 56% women.
Dr. Slezak's Medicare patients by age, 2024
Dr. Slezak's Medicare patients by sex, 2024
- Women17854%
- Men15046%
Chronic conditions among Dr. Slezak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Mood disorders46%
- Anxiety44%
- Chronic kidney disease43%
- Diabetes43%
- Ischemic heart disease43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Slezak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Trevor M. Slezak wrote 217 Medicare Part D claims in 2024
In 2024, Dr. Slezak wrote 217 Medicare Part D claims for 145 patients. 95% of them were for generic drugs. CMS names the drug for 133 of them, across 6 drugs with 11 or more claims each, at $1,667 in total drug cost. In 2023, CMS named 68 claims across 4 drugs.
Dr. Slezak's Part D claims by kind of drug, 2024
- Generic207 claims95%
- Brand-name and other10 claims5%
Dr. Slezak'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. Slezak's Part D claims, 2024
- Opioids12%26 of 217 claims
- Antibiotics37%80 of 217 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: 682024: 13396%
Drugs named by CMS: 6 in 2024, 4 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. Trevor M. Slezak takes part in Medicare
Dr. Slezak 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. Trevor M. Slezak graduated from George Washington University School of Medicine
Dr. Slezak graduated from George Washington University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Trevor M. Slezak'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) |
| 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) |
| 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. Trevor M. Slezak
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. Trevor M. Slezak's NPI number?
Dr. Trevor M. Slezak's NPI number is 1467804427. It was assigned on July 1, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Trevor M. Slezak?
Dr. Trevor M. Slezak is an emergency medicine physician in Springfield, Missouri. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Trevor M. Slezak practice?
Dr. Slezak practices at 1235 E Cherokee St, Springfield, MO 65804. Dr. Slezak's primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dmand AI also links Dr. Slezak to 2 medical groups.
What is Dr. Trevor M. Slezak's office phone number?
The practice phone on file for Dr. Slezak is (417) 820-2000.
What is Dr. Trevor M. Slezak's medical license number?
Dr. Slezak holds Missouri license 2019008078.
Which hospitals is Dr. Trevor M. Slezak affiliated with?
Dr. Slezak is affiliated with Mercy Hospital Springfield.
What medical group is Dr. Trevor M. Slezak part of?
Dr. Slezak is linked to Mercy Clinic Family Medicine - Hollister. Dmand AI links Dr. Slezak to 2 more medical groups.
Does Dr. Trevor M. Slezak accept Medicare?
Yes. CMS data shows Dr. Slezak billed Medicare for 345 services in 2024, and Dr. Slezak accepts Medicare assignment.
How many Medicare patients does Dr. Trevor M. Slezak see?
CMS counts 328 Medicare patients who saw Dr. Slezak in 2024, with an average age of 72.
What services does Dr. Trevor M. Slezak bill to Medicare?
In 2024, Dr. Slezak's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
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Where did Dr. Trevor M. Slezak go to medical school?
Dr. Slezak graduated from George Washington University School of Medicine in 2016.
What drugs does Dr. Trevor M. Slezak prescribe most?
In 2024 Medicare Part D data, Dr. Slezak's most prescribed drugs by claims were Ondansetron ODT, Doxycycline Hyclate and Oxycodone HCl.
How long has Dr. Trevor M. Slezak been practicing?
Dr. Slezak graduated from medical school in 2016, 10 years ago.
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