Leonard Klein, M.D
Anesthesiology Physician · Cleveland, OH
Leonard Klein, M.D is an anesthesiology physician with a practice address in Cleveland, Ohio, and NPI 1336178078, issued on Jul 3, 2006. Check the license (Ohio 35058675, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Leonard Klein
- Credential
- M.D
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 35058675 OH
Self-reported in NPPES; status is on the state search - Practice location
- 18697 Bagley RD, Cleveland, OH 44130
- Phone
- (440) 816-6246
- Enumerated
- Jul 3, 2006
- Record last updated
- Aug 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (440) 816-6263
- Medicaid ID
- 2094755 OH
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,068 in Ohio → Look up another NPI →
Also registered at 18697 Bagley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patrick Cleary, PA-CPhysician Assistant1023095635
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- Rebecca DeweesePsychiatric/Mental Health Nurse Practitioner1831649904
Verify Leonard Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35058675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.15
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Leonard Klein among 2,068 anesthesiology physician records in Ohio
Leonard Klein, M.D is one of 2,068 anesthesiology physician records with a practice address in Ohio. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 51% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
519 anesthesiology physician records list a practice address in Cleveland
They are 519 of the 30,748 NPPES records with a practice address in Cleveland, and 2,068 anesthesiology physician records in Ohio.
All 2,068 in Ohio → Every provider in Cleveland → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Jason Bartal, D.O.Middleburg Heights, OH 441301730123753
- John Bologna, M.D.Middleburg Heights, OH 441301659315653
- Jonathan Dubsky, M.D.Middleburg Heights, OH 441301427092436
- Joel Hegarty, M.D.Middleburg Heights, OH 441301649211434
- Jyotika Kapadia, MDCleveland, OH 441301598757106
- Martin Kungl, M.D.Middleburg Heights, OH 441301457395451
- Ilona Marr, M.D.Middleburg Heights, OH 441301437190220
- Samuel Miranda, M.D.Middleburg Heights, OH 441301467496489
Common questions
What is Leonard Klein, M.D's NPI number?
Leonard Klein, M.D's National Provider Identifier (NPI) is 1336178078, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Klein, M.D located?
The NPPES record lists a practice address at 18697 Bagley RD, Cleveland, OH, 44130. Phone: (440) 816-6246. Providers update this record themselves, so call before visiting.
How can I verify Leonard Klein, M.D's license?
NPPES lists Ohio license number 35058675, as entered by the provider. 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.
What is Leonard Klein, M.D's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.