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DR. LEONARD KLEIN M.D
NPI 1336178078
Anesthesiology in Cleveland, OH

Active since July 03, 2006PECOS Enrolled
82.05/100
CMS Quality Rating
18697 BAGLEY RD, CLEVELAND, OH 44130(440) 816-6246(440) 816-6263 Get Directions Write a Review

NPPES record last updated: August 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 20, 2020, Jul 22, 2019 (2 updates tracked since 2019).

About Dr. Leonard Klein M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEONARD KLEIN M.D (NPI 1336178078) is an individual anesthesiology provider in Cleveland, Ohio, licensed in Ohio (35058675) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336178078
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. LEONARD KLEINCredential: M.D
Location Address18697 BAGLEY RDCleveland, OH 44130-3417
Mailing Address18697 Bagley RdMiddleburg Heights, OH 44130-3417 · (440) 816-6246 · Fax (440) 816-6263
Phone(440) 816-6246
Fax(440) 816-6263
Sole ProprietorNo
Enumeration DateJuly 3, 2006
Last NPPES UpdateAugust 20, 20202 updates tracked since enumeration
NPPES CertifiedAugust 20, 2020
✔ NPI 1336178078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in OH · 35058675
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
18697 BAGLEY RD, Cleveland, OH 44130
Open in Google Maps ↗

Other Identifiers 1

Medicaid2094755OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leonard Klein M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Leonard Klein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ohio Anesthesia Group, Inc
45 mi
Anesthesiology
1320 MERCY DR NW
Canton, OH 44708
  • Reassigned Medicare billing, Ohio enrollment
  • 554 clinicians in this Medicare group
NPI 1639348113 (330) 656-5215
Anesthesia & Intensive Care Consultants,inc.
200 mi
Anesthesiology
3000 HOSPITAL DR
Batavia, OH 45103
  • Reassigned Medicare billing, Ohio enrollment
  • Medicare enrollment name: Southwest Ohio Anesthesia Consultants LLC
  • 830 clinicians in this Medicare group
NPI 1164859013 (859) 341-7246

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.05/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.89
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHARLES LUTHER M.D.
Psychiatry & Neurology (Psychiatry)
18697 BAGLEY RD
MIDDLEBURG HEIGHTS, OH 44130
Cuyahoga County (440) 816-8200
LAURA PESETSKY CNP
Nurse Practitioner
18697 BAGLEY RD
MIDDLEBURG HEIGHTS, OH 44130
Cuyahoga County (440) 816-8000
PATRICK M CLEARY PA-C
Physician Assistant
18697 BAGLEY RD
CLEVELAND, OH 44130
Cuyahoga County (440) 816-8000
SOUTHWEST GENERAL MEDICAL GROUP INC
Anesthesiology
18697 BAGLEY RD
CLEVELAND, OH 44130
Cuyahoga County (440) 816-5872
RYAN JOSEPH NEWMAN PA-C
Physician Assistant (Medical)
18697 BAGLEY RD
MIDDLEBURG HEIGHTS, OH 44130
Cuyahoga County (440) 816-8000
MRS. PATRICIA ANN PHILLIPS RPH
Pharmacist
18697 BAGLEY RD
CLEVELAND, OH 44130
Cuyahoga County (440) 816-8410
JAMES JOS RYBAK MD
Emergency Medicine
18697 BAGLEY RD
MIDDLEBURG HEIGHTS, OH 44130
Cuyahoga County (440) 816-8000
PHILLIP STOUT MD
Emergency Medicine
18697 BAGLEY RD
MIDDLEBURG HEIGHTS, OH 44130
Cuyahoga County (440) 816-8000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Klein's NPI number?

The NPI number for Leonard Klein is 1336178078. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Leonard Klein located?

Leonard Klein practices at 18697 Bagley Rd, Cleveland, OH 44130. The listed phone number is (440) 816-6246.

What is Leonard Klein's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Leonard Klein enrolled in Medicare?

Yes. Leonard Klein is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Leonard Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leonard Klein reassigns Medicare benefits to 2 organizations: Ohio Anesthesia Group, Inc (Canton, OH) and Anesthesia & Intensive Care Consultants,inc. (Batavia, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leonard Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leonard Klein accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Anthem Blue Cross and Blue Shield list Leonard Klein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Leonard Klein was last updated on August 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.