NPPES file of Aug 9, 2026

Louis Kazaglis, M.D.

Sleep Medicine (Internal Medicine) Physician · Cleveland, OH

Louis Kazaglis, M.D. is a sleep medicine (internal medicine) physician with a practice address in Cleveland, Ohio, and NPI 1477889798, issued on Oct 21, 2009. Check the license (Ohio 35.138224, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477889798
Name
Louis Kazaglis
Credential
M.D.
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License numbers
35.138224 OH
56947 MN
Self-reported in NPPES; status is on the state search
Practice location
9500 Euclid Ave, Cleveland, OH 44195
Phone
(216) 444-2165
Enumerated
Oct 21, 2009
Record last updated
Jun 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9500 Euclid Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ksenia Aaron, M.D.Otolaryngology Physician1891176582
  2. Maher Abbas, MDColon & Rectal Surgery Physician1508937491
  3. Mohammad Abbasi, MDClinical Cardiac Electrophysiology Physician1346730603
  4. Mahmoud AbbassyStudent in an Organized Health Care Education/Training Program1366872574
  5. Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
  6. Walid Abboud, MDInternal Medicine Physician1245295559

Verify Louis Kazaglis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.138224
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

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96% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

21 Medicare Part D claims, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Louis Kazaglis21
  2. Specialty average585

Most prescribed

  1. Gabapentin15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Louis Kazaglis among 53 sleep medicine (internal medicine) physician records in Ohio

Louis Kazaglis, M.D. is one of 53 sleep medicine (internal medicine) physician records with a practice address in Ohio. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 45% of them.

  • NPI issued2009 · 45% of these records are older, 51% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2020 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Ohio

There are 53 sleep medicine (internal medicine) physician records in Ohio.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Senyo Agidi, DOCleveland, OH 441951487037131
  2. David Eapen, MDCleveland, OH 441951538802517
  3. Colleen Lance, MDCleveland, OH 441951932200565
  4. Noordeep Panesar, MDCleveland, OH 441951861132441
  5. Cinthya Pena Orbea, MDCleveland, OH 441951215344403
  6. Aaron Schnell, M.D.Cleveland, OH 441951700182714
  7. Eileen Wong, M.D.Streetsboro, OH 442411275841066
  8. Mansoor Ahmed, M.D.Westlake, OH 441451275595944

Common questions

What is Louis Kazaglis, M.D.'s NPI number?

Louis Kazaglis, M.D.'s National Provider Identifier (NPI) is 1477889798, issued on Oct 21, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Louis Kazaglis, M.D. located?

The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 444-2165. Providers update this record themselves, so call before visiting.

How can I verify Louis Kazaglis, M.D.'s license?

NPPES lists Ohio license number 35.138224, 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.

How much does Louis Kazaglis, M.D. prescribe under Medicare Part D?

In 2024, Louis Kazaglis, M.D. had 21 Medicare Part D claims; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

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.