Dr. Frederick A. Slezak, MD

  • Canton, OH
  • Colorectal surgeon
NPI1508862483
Medicare services, 2019
50
Part D claims, 2019
78
Publications
13
Industry payments
$797
Insurance carriers
1
Practice address
2600 6th SW St, Canton, OH 44710
Practice phone
Call (330) 730-3396
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Frederick A. Slezak is a colorectal surgeon in Canton, Ohio

Dr. Slezak practices in Canton, Ohio.

Dr. Slezak's NPI, 1508862483, was assigned on June 24, 2005. Dr. Slezak graduated from Ohio State College of Medicine in 1978. Dr. Slezak holds Ohio license 35042503.

NPI and contact details
NPI enumeration date
June 24, 2005
NPI status
Active
Practice phone
(330) 730-3396
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1978

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Frederick A. Slezak's practice address is in Canton, Ohio

Dr. Slezak's practice address in the NPI Registry is 2600 6th SW St, Canton, OH 44710, in Stark County. The practice phone is (330) 730-3396.

  • NPI Registry address
    2600 6th SW St, Canton, OH 44710 · Stark CountyPhone(330) 730-3396

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Frederick A. 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.

EHR by site
SiteEHR vendor and product
Dr. Slezak's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Frederick A. Slezak is one of 104 colorectal surgeons in Ohio

Colon and rectal surgery is Dr. Slezak's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Slezak is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Slezak's licenses on file in 2 states: Ohio and Illinois.

Specialties and state licenses

  • Colon and rectal surgery, OhioPrimaryLicense 35042503S · 1978 to 2026 · taxonomy 208C00000X
  • Illinois license1983 to 1987

Colorectal surgeons near Dr. Slezak

Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.

104colorectal surgeons in Ohio
2colorectal surgeons in Canton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Frederick A. Slezak billed Medicare for 50 services in 2019

CMS data shows 50 Medicare services from Dr. Slezak across 1 procedure code in 2019, all of them office visits. Medicare paid $1,316 for them. Every service was in an office.

Medicare services, 201950
Paid by Medicare$1,316
Procedure codes1

Dr. Slezak's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Office and hospital visits
2018: 1342019: 5063%
Tests and treatments
2018: 172019: 0100%
Other services
2018: 202019: 0100%
Surgery
2018: 332019: 0100%

Dr. Slezak compared with the Ohio median for colorectal surgeons, 2019

  • Dr. Slezak
  • Ohio median
Medicare services
50vs 17071% below
Part D claims
78vs 5639% above

Medians across 99 colorectal surgeons in Ohio with Dmand AI profiles that report each measure.

Dr. Slezak's most billed Medicare procedure codes, 2019

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. Frederick A. Slezak wrote 78 Medicare Part D claims in 2019

In 2019, Dr. Slezak wrote 78 Medicare Part D claims. They cover 6 drugs, with $20,361 in total drug cost. In 2018, CMS named 180 claims across 11 drugs.

Part D claims, 201978
Drugs named by CMS6
Total drug cost$20,361

Dr. Slezak's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 1802019: 7857%

Drugs named by CMS: 6 in 2019, 11 in 2018.

See all prescribing by Dr. Slezak

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Frederick A. Slezak has 13 publications on record

Dmand AI links 13 papers to Dr. Slezak in 2016. The most frequent topics are Hemorrhoids, Gastrostomy and Postoperative Complications. Dr. Slezak has published most often in Dis Colon Rectum. Dr. Slezak's most frequent co-authors are Mark J. Pidala, MD, Michael J. Cullado, MD and Eric A. Espinal, MD.

Papers13

Topics Dr. Slezak writes about most

  • Hemorrhoids
  • Gastrostomy
  • Postoperative Complications
  • Colonoscopy
  • Endoscopy, Digestive System
  • Enteral Nutrition
  • Gastroscopy

Dr. Slezak's most frequent co-authors

Recent publications by Dr. Slezak

See all 13 publications and co-authors

See who Dr. Slezak researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Slezak works with, so you can find a warm path to the right colorectal surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Frederick A. Slezak received $797 in industry payments from 2016 to 2023

CMS Open Payments shows 14 general payments to Dr. Slezak from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $318.

General payments to Dr. Slezak by program year, 2016 to 2023

Companies that paid Dr. Slezak the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Slezak

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Frederick A. Slezak has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Slezak.

Awards and honors for Dr. Slezak

  1. Undated
    • ACG Fellow
    • ACS Fellow
    • FASCRS
    • Lean Six Sigma Green Belt

Source: Dmand AI Professional Profile Data

Dr. Frederick A. Slezak graduated from Ohio State College of Medicine

Dr. Slezak graduated from Ohio State College of Medicine in 1978. Dr. Slezak is a member of ACG, ACS, ASGE and ASCRS.

  1. Medical schoolOhio State College of Medicine
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery

Source: Dmand AI Professional Profile Data

Dr. Frederick A. Slezak accepts plans from 1 insurance carrier

Dr. Slezak is in network with 1 carrier, including CareSource. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CareSource

Plan types Dr. Slezak accepts, by number of carriers

  1. Medicaid1
  2. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Dr. Frederick A. Slezak's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Frederick A. 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. Frederick A. Slezak's NPI number?

Dr. Frederick A. Slezak's NPI number is 1508862483. It was assigned on June 24, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Frederick A. Slezak?

Dr. Frederick A. Slezak is a colorectal surgeon in Canton, Ohio. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Frederick A. Slezak practice?

Dr. Slezak practices at 2600 6th SW St, Canton, OH 44710.

What is Dr. Frederick A. Slezak's office phone number?

The practice phone on file for Dr. Slezak is (330) 730-3396.

What is Dr. Frederick A. Slezak's medical license number?

Dr. Slezak holds Ohio license 35042503, one of the licenses on file in 2 states.

Which states has Dr. Frederick A. Slezak been licensed in?

Dmand AI has state licenses on file for Dr. Slezak in Ohio (1978 to 2026) and Illinois (1983 to 1987).

Does Dr. Frederick A. Slezak accept Medicare?

Yes. CMS data shows Dr. Slezak billed Medicare for 50 services in 2019.

Is Dr. Frederick A. Slezak board certified?

Yes. Dr. Slezak is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Frederick A. Slezak bill to Medicare?

In 2019, Dr. Slezak's most billed Medicare services were office visit, established patient (99212).

Where did Dr. Frederick A. Slezak go to medical school?

Dr. Slezak graduated from Ohio State College of Medicine in 1978.

Show 6 more questionsShow fewer questions

What drugs does Dr. Frederick A. Slezak prescribe most?

In 2019 Medicare Part D data, Dr. Slezak's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Oxycodone-Acetaminophen and Codeine Sulfate.

Has Dr. Frederick A. Slezak received payments from drug or device companies?

CMS Open Payments shows $797 in general payments to Dr. Slezak from 6 companies from 2016 to 2023. The largest total came from Ethicon Inc.

How long has Dr. Frederick A. Slezak been practicing?

Dr. Slezak graduated from medical school in 1978, 48 years ago.

Does Dr. Frederick A. Slezak do research?

Dmand AI links 13 publications to Dr. Slezak.

Who does Dr. Frederick A. Slezak publish with?

Dr. Slezak's most frequent co-authors are Mark J. Pidala, MD (4 shared papers), Michael J. Cullado, MD (2 shared papers) and Eric A. Espinal, MD (1 shared paper).

What insurance does Dr. Frederick A. Slezak accept?

Dr. Slezak is in network with 1 carrier, including CareSource. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

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