Jonathan Corwin Slack, MD
Pediatric Pathology Physician · Cleveland, OH
Jonathan Corwin Slack, MD is a pediatric pathology physician with a practice address in Cleveland, Ohio, and NPI 1487226387, issued on Jul 12, 2021. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Jonathan Corwin Slack
- Credential
- MD
- Primary taxonomy
- Pediatric Pathology Physician 207ZP0213X
- License number
- 287182 MA
Self-reported in NPPES; status is on the state search - Practice location
- 9500 Euclid Ave L2, Cleveland, OH 44195
- Phone
- (216) 448-4899
- Enumerated
- Jul 12, 2021
- Record last updated
- Mar 11, 2023
- Medicare enrollment
- Enrolled (PECOS I20230406002168); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric pathology physician records → All 38 in Ohio → Look up another NPI →
Verify Jonathan Corwin Slack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of OhioCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jonathan Corwin Slack among 38 pediatric pathology physician records in Ohio
Jonathan Corwin Slack, MD is one of 38 pediatric pathology physician records with a practice address in Ohio. 45% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 45% of these records are
- In the CMS Doctors and Clinicians fileYes · 37% of these records are
- Graduated2016 · median 1999 among the 14 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0213X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Pathology Physician providers in Ohio
There are 38 pediatric pathology physician records in Ohio.
All 38 in Ohio → Every provider in Cleveland → Pediatric Pathology Physician nationwide →
The 8 pediatric pathology physician records with the nearest ZIP codes
- Dimitris Agamanolis, M.D.Akron, OH 443081134157282
- Matthew Keisling, D.O.Akron, OH 443081942432117
- Robert Novak, M.D.Akron, OH 443081972689396
- Christian Perez-Torres, MDAkron, OH 443081740824580
- Melissa Stalling, D.O.Akron, OH 443081538435144
- Mark Steele, M.D.Akron, OH 443081679637714
- Michelle Smith, MDSpringboro, OH 450661114308640
- Peter Baker, M.D.Columbus, OH 432051689658361
Common questions
What is Jonathan Corwin Slack, MD's NPI number?
Jonathan Corwin Slack, MD's National Provider Identifier (NPI) is 1487226387, issued on Jul 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Corwin Slack, MD located?
The NPPES record lists a practice address at 9500 Euclid Ave L2, Cleveland, OH, 44195. Phone: (216) 448-4899. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Corwin Slack, MD's license?
Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.